ATTACHMENT STYLE AS A MECHANISM FROM INTIMATE PARTNER VIOLENCE TO DEPRESSIVE SYMPTOMS: AN INFORMATION PROCESSING APPROACH By Kathryn Eileen Smagur A DISSERTATION Submitted to Michigan State University in partial fulfillment of the requirements for the degree of Psychology—Doctor of Philosophy 2017 i ABSTRACT ATTACHMENT STYLE AS A MECHANISM FROM INTIMATE PARTNER VIOLENCE TO DEPRESSIVE SYMPTOMS: AN INFORMATION PROCESSING APPROACH By Kathryn Eileen Smagur Women experiencing intimate partner violence (IPV) are at risk for depressive symptoms, and an insecure attachment style may account for this relationship. Attachment insecurity may lead to depressive symptoms because it guides individuals to process information in a way that is congruent with their negative internal working models. A woman’s history of interpersonal trauma, such as prior IPV or childhood maltreatment (CM), may also influence this process, as memories of prior trauma may be recalled when making sense of abuse in the present. The current study examined attachment style as a mechanism to depressive symptoms for women currently in abusive relationships. Information processing deficits (i.e., attention and implicit interpretation bias) were tested as mediators between attachment insecurity and depressive symptoms. Finally, the effects of interpersonal trauma history on attachment style and resulting information processing biases were examined. A sample of undergraduate women (n = 301) completed self-report measures as well as attention and interpretation bias tasks. Findings from structural equation modeling indicated that attachment insecurity fully mediated the effects of CM and current IPV on depressive symptoms; this effect was driven by attachment anxiety, rather than attachment avoidance. Implicit negative interpretations about self partially accounted for the relationship between attachment insecurity and depression. Attention bias did not emerge as a significant mediator. Findings suggest that unconscious negative perceptions of self are one mechanism through which attachment anxiety results in depressive symptoms for women ii experiencing IPV. Further, a history of CM contributes to greater attachment insecurity and negative interpretation biases in adult women, increasing their risk for depressive symptoms. iii TABLE OF CONTENTS LIST OF TABLES vi LIST OF FIGURES vii INTRODUCTION IPV and Depressive Symptoms Attachment Attachment styles. Dimensions of attachment style. Measurement of attachment styles. Stability of attachment styles across the lifespan. IPV and Attachment Attachment and Depression Attachment and depression in women experiencing IPV. Stages of Information Processing Information Processing Biases and Attachment Styles Attentional biases and attachment styles. Interpretation biases and attachment styles. Summary. Information Processing Biases and Depression Attentional biases in depression. Interpretation biases in depression. Summary. Information Processing Biases in Attachment and Depression Attachment Style as a Mechanism from IPV to Depression Attention biases in women experiencing IPV . Interpretation biases in women experiencing IPV. Summary. The Role of Interpersonal Trauma History in Information Processing Biases and Depression Summary of Current Study 1 3 4 5 8 10 12 14 15 17 18 20 20 25 27 28 28 31 32 33 34 35 35 38 METHOD Participants Measures Intimate partner violence. Attachment style. Depressive symptoms. Childhood maltreatment. Attentional biases. Implicit interpretation bias. Covariates. 44 44 45 45 45 46 46 46 48 49 iv 38 41 Procedure Data Analysis 50 50 RESULTS Data Preparation and Descriptive Statistics Hypothesis 1 Hypothesis 2 Hypothesis 3 Hypothesis 4 Hypothesis 5 Hypothesis 6 Hypothesis 7 51 51 54 54 55 57 59 60 62 DISCUSSION Attachment Style Mediates the Relationship between IPV and Depression Dimensions of Attachment Associated with Depression Interpretation Biases Associated with Depression Relationship between Attachment Dimensions and Interpretation Biases Other Pathways Linking Attachment Insecurity and Depression Effects of Trauma on Information Processing Attention Bias as a Mediator from Attachment Style to Depression Limitations Directions for Future Research Clinical Implications Conclusions 66 66 68 70 70 72 73 74 77 78 80 83 APPENDICES Appendix A Copy of Study Measures Appendix B Additional Statistical Models 84 85 96 REFERENCES 109 v LIST OF TABLES Table 1 Correlations and Descriptive Statistics 54 vi LIST OF FIGURES Figure 1 Hypothesized Model 2 Figure 2 Orthogonal Attachment Dimensions and Corresponding Attachment Styles 10 Figure 3 Effects of CM, Past IPV, and Current IPV on Depression 55 Figure 4 Attachment Insecurity Mediating Effects of CM and IPV on Depression 56 Figure 5 Attachment Anxiety and Avoidance Mediating the Effects of CM and IPV on Depression 57 Figure 6 Effects of Attachment Anxiety and Avoidance on Attentional Biases 58 Figure 7 Effects of Attachment Insecurity on Interpretation Biases of Self and Other 58 Figure 8 Effects of Attachment Anxiety and Avoidance on Interpretation Biases of Self and Other 59 Figure 9 Effects of Attention Biases on Interpretation Biases of Self and Other 59 Figure 10 Negative Interpretation Bias Mediating the Effect of Attachment Insecurity on Depression 60 Figure 11 Interpretation Bias of Self and Other Mediating the Effect of Attachment Insecurity on Depression 61 Figure 12 Interpretation Bias of Self and Other Mediating the Effects of Attachment Anxiety and Avoidance on Depression 62 Figure 13 Attachment Insecurity and Negative Interpretation Bias Mediating the Effects of CM and IPV on Depression 63 Figure 14 Attachment Insecurity and Negative Interpretation Bias of Self and Other Mediating the Effects of CM and IPV on Depression 64 Figure 15 Attachment Anxiety and Avoidance and Negative Interpretation Bias of Self and Other Mediating the Effects of CM and IPV on Depression 65 Figure 16 Effects of IPV and Interpersonal Trauma History on Depression 96 Figure 17 Effects of CM and IPV on Depression with Covariates 97 vii Figure 18 Attachment Insecurity Mediating Effects of CM and IPV on Depression with Covariates 98 Figure 19 Attachment Anxiety and Avoidance Mediating Effects of CM and IPV on Depression with Covariates 99 Figure 20 Attentional Biases 99 Figure 21 Effects of Attachment Insecurity on Attentional Biases 100 Figure 22 Effects of Attachment Anxiety and Avoidance on Attentional Biases with Covariates 100 Figure 23 Effects of Attachment Insecurity on Interpretation Biases 101 Figure 24 Effects of Attachment Insecurity on Interpretation Biases with Covariates 101 Figure 25 Effects of Attachment Insecurity on Interpretation Biases of Self and Other with Covariates 102 Figure 26 Effects of Attachment Anxiety and Avoidance on Interpretation Biases of Self and Other with Covariates 102 Figure 27 Effects of Attention Biases on Interpretation Biases of Self and Other with Covariates 103 Figure 28 Negative Interpretation Bias Mediating the Effect of Attachment Insecurity on Depression with Covariates 103 Figure 29 Interpretation Bias of Self and Other Mediating the Effect of Attachment Insecurity on Depression with Covariates 104 Figure 30 Interpretation Bias of Self and Other Mediating the Effects of Attachment Anxiety and Avoidance on Depression with Covariates 105 Figure 31 Attention Bias Mediating the Effect of Attachment Insecurity on Depression 105 Figure 32 Attachment Insecurity and Negative Interpretation Bias Mediating the Effects of CM and IPV on Depression with Covariates 106 Figure 33 Attachment Insecurity and Negative Interpretation Bias of Self Mediating the Effects of CM and IPV on Depression with Covariates 107 Figure 34 Attachment Anxiety and Negative Interpretation Bias of Self Mediating the Effects of CM and IPV on Depression with Covariates 108 viii INTRODUCTION Women experiencing intimate partner violence (IPV; defined here as abuse perpetrated by a male to a female romantic partner) are at increased risk for exhibiting depressive symptoms. Attachment insecurity may explain this relationship, as it is highly associated with IPV victimization (Alexander, 2009; Bookwala, 2002) and often results in depressive symptoms following stressful interpersonal events (Bifulco, Moran, Ball, & Bernazzani, 2002). The explanatory mechanisms by which insecure attachment styles relate to depressive symptoms, however, are not well understood. Attachment styles are believed to guide the way in which individuals process interpersonal situations, as they “govern how incoming interpersonal information is attended to and perceived, determines which affects are experienced, [and] selects the memories that are evoked” (Zeanah & Zeanah, 1989, p. 192). Cognitive theories of depression suggest that deficits in information processing (e.g., negative biases in attention and interpretation) are a key mechanism in the development of depression (Beck, 1987). Therefore, the information a woman selectively attends to in an abusive relationship and the interpretations she makes about the abuse may explain the link between attachment insecurity and depressive symptoms. Research has examined information processing biases that are associated with each attachment style, demonstrating how individuals attend to information and interpret situations in ways that are consistent with their working models (Dewitte, Koster, De Houwer, & Buysse, 2007; Mikulincer & Shaver, 2001). However, these attachment-related biases have not yet been examined as a link to depressive symptoms. IPV is likely to contribute to more insecure attachment styles over time, but women may also exhibit attachment insecurity prior to experiencing IPV (Henderson, Bartholomew, Trinke, & Kwong, 2005). Many women in abusive relationships report a history of IPV in previous 1 relationships and/or childhood maltreatment (CM), which are both associated with insecure attachment styles (Cannon, Bonomi, Anderson, Rivara, & Thompson, 2010; Riggs, 2010). A woman’s attachment style may therefore be a product of previous and current relational experiences. A history of interpersonal trauma may influence the way in which a woman processes information from her current abusive relationship. Specifically, when a woman makes an inference about an event, she draws from mental representations in her long-term memory that have been shaped by prior experiences (Crick & Dodge, 1994). In making attributions about current abuse, women with a history of CM or IPV may draw from previous abusive memories as well as emotions and interpretations associated with that abuse. The current study examined the information processing components of attachment style as mechanisms to depressive symptoms for women experiencing IPV. It also investigated the role of interpersonal trauma history on attachment insecurity and subsequent information processing biases (see Figure 1 for proposed model). The goal of this study was to improve our understanding of the cognitive and relational mechanisms by which IPV leads to depressive symptoms. Figure 1 Hypothesized Model 2 IPV and Depressive Symptoms IPV in adult women is a significant public health problem, as prevalence rates for women are as high as 30% for community samples (Beydoun, Beydoun, Kaufman, Lo, & Zonderman, 2012), 55% for clinical samples (Beydoun et al., 2012), and 78% for college samples (Eshelman & Levendosky, 2012). Women who have experienced IPV are at an increased risk for depressive symptoms (Fogarty, Fredman, Heeren, & Liebschutz, 2008). One meta-analysis indicated that women with a history of IPV are two times more likely than non-abused women to report depressive symptoms and over three times more likely to meet criteria for major depressive disorder (Beydoun et al., 2012). IPV is consistently associated with depressive symptoms in cross-sectional studies (Cascardi & O’Leary, 1992; Graham, Bernards, Flynn, Tremblay, & Wells, 2012; Mechanic, Weaver, & Resick, 2008). Longitudinal work also demonstrates that IPV predicts higher levels of depressive symptoms for years following the initial assessment of abuse (La Flair, Bradshaw, & Campbell, 2012). This study showed a stronger longitudinal association between IPV and depression for women who were not depressed at the initial assessment, indicating that IPV may play a causal role in the development of depression. Research also demonstrates the amount of IPV (frequency, severity, and/or duration) is positively associated with severity of depressive symptoms (Bogat, Levendosky, Theran, von Eye, & Davidson, 2003; Koopman et al., 2007; Vaeth, Ramisetty-Mikler, & Caetano, 2010). While the association between IPV and depressive symptoms is well-established, the specific mechanisms explaining this relationship are not well understood. A better understanding of the depressogenic mechanisms for women experiencing IPV can improve prevention and intervention efforts. A woman’s attachment style may be one such mechanism, as it guides the information she attends to and the way she interprets situations. Women with insecure 3 attachment styles are likely to attend to negative cues and/or avoid positive cues, resulting in maladaptive interpretations about interpersonal situations, thus making them more likely to exhibit depressive symptoms. Attachment Attachment is a bond that assures one’s proximity to close others (or attachment figures) in order to create feelings of security and protection (Bowlby, 1980). Attachment figures are used as a “secure base,” a place of safety and comfort from which the individual can safely explore her environment, while remaining confident of the attachment figure’s availability (Waters & Cummings, 2000). Attachment also functions as a “control system,” organizing emotions and behaviors exhibited in close relationships (Bowlby, 1958; Waters & Cummings, 2000). The attachment system operates during ordinary circumstances, but demonstrates heightened activation during periods of stress (Bowlby, 1980). An individual’s attachment style first develops during infancy, and the quality of early care giving influences the attachment style a child develops. A child with a sensitive and emotionally available caregiver is likely to develop a secure attachment (i.e., able to explore freely the environment and rely on the caregiver for support when needed). A child with an insensitive or unavailable caregiver, on the other hand, is likely to exhibit an insecure attachment style (Bowlby, 1988). Given the lack of sensitive care giving they experience, these children are forced to develop alternate strategies to cope with their attachment needs. For example, some children may engage in hyper-activation of their attachment systems, intensifying proximity to the attachment figure and frequently attending to potential threats to the attachment relationship. Other children may downregulate their attachment systems, keeping a distance from their attachment figures and minimizing attention to attachment-related threats (Dewitte et al., 2007). 4 Based on repeated experiences of caregiver responsivity, children’s expectations about the availability of their attachment figures are internalized as working models of attachment that unconsciously guide subsequent interactions with others (Bowlby, 1988; Zimmermann, 1999). Specifically, children develop internal working models (IWMs) of self (as worthy of attention and love) and of others (as reliable and willing to provide care). Children with secure attachment styles demonstrate predominantly positive IWMs of self and others, while children with insecure attachment styles exhibit predominantly negative IWMs of self and/or others. Functionally, IWMs have been compared to cognitive schemas, as they are organized representations of former experiences that guide cognition and behavior (Bretherton, 1987). Individuals attend to environmental cues and interpret situations in ways that are congruent with IWMs (Zimmerman, 1999). Attachment styles. Based on research using the Strange Situation paradigm (Ainsworth & Bell, 1970), four categories of child attachment have been identified (Ainsworth & Bell, 1970; Ainsworth, Blehar, Waters, & Walls, 1978; Bowlby, 1988; Main & Cassidy, 1988). Securely attached children show distress during their mothers’ absence, are comforted by their mothers’ return, and are able to explore freely when no longer distressed. Insecure-resistant (or insecureambivalent) attachment style describes children who display high levels of distress during their mothers’ absence, seek comfort from their mothers upon their return but are not comforted by this contact, and remain in close proximity to their mothers for the remainder of the paradigm. Children with insecure-avoidant attachment styles do not display distress during their mothers’ absence and do not seek proximity with their mothers upon their return, but instead play independently. A disorganized attachment style describes children who demonstrate high levels 5 of distress when separated from their mothers as well as a lack of coherent strategy in coping with the separation and reunion with their mothers. While early research on attachment focused solely on childhood, Hazan and Shaver (1987) argued that attachment relationships are not unique to childhood, but are present throughout the lifespan. During later childhood and adolescence, individuals may develop attachment figures outside of the family unit, such as with peers or teachers (Laghi, D’Alessio, Pallini, & Baiocco, 2009; Waters & Cummings, 2000; Wilkinson, 2010). In late adolescence and early adulthood, primary attachment figures tend to shift from parents to peers, including close friends and romantic partners (Fraley & Davis, 1997). In adulthood, an individual may have multiple attachment figures, including parents or close friends. However, romantic partners are typically the main attachment figure for adults (Hazan, Campa, & Gur-Yaish, 2006). Hazan and Shaver (1987) identified categories of adult romantic attachment which correspond to those observed in children. A secure attachment style tends to develop when an individual experiences warm, responsive, and reliable care giving during early childhood (Bowlby, 1988). Individuals experiencing this type of parenting tend to believe they are worthy of attention and can depend on others to be there when they need support; therefore, responsive parenting gives rise to mostly positive IWMs of the self and others. These individuals rely on proximity seeking during times of distress, but are able to distance from their attachment figures once they have regulated their distress (Bowlby, 1969). Those with secure attachment styles tend to be comfortable engaging in intimate relationships as well as in seeking autonomy and demonstrating independence (Bartholomew, 1990). When needs for safety, love, and exploration are not met during 6 childhood, individuals seek alternate strategies to cope with attachment-related insecurity, including the hyper- and/or hypo-activation of the attachment system. Individuals with preoccupied attachment styles primarily have negative IWMs of the self and positive IWMs of others. Experiencing insensitive or inconsistent care giving during early childhood may lead individuals to believe they are unworthy of receiving affection and should prioritize the needs of others (Bowlby, 1988). Individuals with this attachment style tend to be overly dependent and demonstrate an insatiable desire to gain the approval of others (Shaver, Schachner, & Mikulincer, 2005). They exhibit a hyper-activation of the attachment system, as they frequently monitor their attachment figures, search for cues regarding attachment figure availability or rejection, and rely on proximity seeking to regulate distress. Individuals with preoccupied attachment styles tend to overvalue intimacy while devaluing or experiencing discomfort with autonomy (Bowlby, 1980). Another strategy in dealing with attachment insecurity is to deny, suppress, or ignore one’s attachment needs, resulting in a hypo-activation of the attachment system congruent with a dismissive attachment style. For these individuals, positive IWMs of the self and negative IWMs of others are most dominant. As they have experienced rejection from early caregivers, they distance themselves from others in order to avoid future hurt, as they believe others are not dependable or trustworthy (Berant & Wald, 2009). These individuals also see themselves as invulnerable to distress or able to cope without the help of others in order to maintain a positive self-image (Fraley & Shaver, 1997). Individuals with a dismissive attachment style often show blunted affect and arousal (denial of attachment needs), tend to passively avoid close relationships and emotional intimacy, and exhibit preoccupation with achievement (Mikulincer, 7 Doley, & Shaver, 2004). As such, they overvalue autonomy and independence, while devaluing or showing discomfort with intimate relationships. The fourth type is a fearful attachment style, which describes individuals who exhibit predominantly negative IWMs of both self and others. This style of attachment often develops following early experiences of rejecting or unavailable caregivers, as this results in individuals viewing others as uncaring or undependable and viewing themselves as unlovable or unworthy of attention. These individuals desire intimacy in relationships, but experience intense distrust and fear of rejection (Bartholomew, 1990). They tend to be hypersensitive to the approval of others and avoid close relationships in which they believe they are vulnerable to rejection. This behavioral pattern undermines the possibility of experiencing satisfying relationships, ultimately maintaining negative IWMs of the self and others. Individuals with fearful attachment styles experience simultaneous hyper- and hypo-activation of their attachment systems and do not have a coherent strategy to help them reduce distress (Bartholomew, 1997). These individuals experience discomfort with both intimacy and autonomy. Dimensions of attachment style. While earlier work considered attachment a categorical construct, more recent research has demonstrated how attachment styles differ along two orthogonal dimensions: attachment anxiety and attachment avoidance. Attachment anxiety, which is associated with a woman’s IWMs of self, reflects the extent to which she feels worthy of care and affection from an attachment figure (Ziv, Oppenheim, & Sagi-Schwartz, 2004). Women with negative models of self (e.g., I am unworthy of love) often worry their lack of selfworth will lead to their needs for nurturance not being met in a predictable manner, resulting in a fear of abandonment (Surcinelli, Rossi, Montebarocci, & Baldaro, 2010). Attachment anxiety is associated with a discomfort with autonomy as well as frequent monitoring for the availability 8 and accessibility of attachment figures (Fraley, Hudson, Heffernan, & Segal, 2015). Attachment avoidance, which corresponds to IWMs of others, is the degree to which a woman believes others are available, accepting, and responsive if she needs support (Ziv et al., 2004). Women with negative models of others (e.g., others are undependable) tend to feel uncomfortable with intimacy and therefore avoid becoming close to others for fear that they will be rejected (Bartholomew, 1990). The four categorical attachment styles can be conceptualized in terms of variability on these two orthogonal dimensions (see Figure 2; Bartholomew, 1990; Fraley & Spieker, 2003). Individuals with secure attachment styles demonstrate low levels of both attachment anxiety and avoidance, as they are comfortable seeking intimacy or closeness with attachment figures when needed, as well as being independent when it feels safe to do so. A preoccupied attachment style is characterized by high levels of attachment anxiety and low levels of attachment avoidance, as individuals with this style demonstrate an over-reliance on attachment figures for fear of abandonment, as well as discomfort with autonomy and independence. Individuals with a dismissive attachment style demonstrate high levels of attachment avoidance and low levels of attachment anxiety, as they rely solely on themselves and downplay the importance of intimate relationships. Lastly, fearful attachment style is associated with high levels of both attachment anxiety and avoidance, as it is characterized by simultaneous hyper- and hypo-activation of the attachment system as well as fear of both intimacy and autonomy. 9 Figure 2 Orthogonal Attachment Dimensions and Corresponding Attachment Styles Measurement of attachment styles. There is debate in the attachment literature regarding whether attachment styles are best conceptualized as qualitatively distinct categories or as orthogonal dimensions. Given this debate, attachment styles have been measured differently across studies. For example, some research has used a prototype measure of attachment, in which the four attachment categories are described in brief paragraphs, and participants select which style best describes them (Carnelley, Pietromonaco, & Jaffe, 1994; Hazan & Shaver, 1987; Murphy & Bates, 1997; Surcinelli et al., 2010). This methodology is limited in its ability to assess variability in dimensions of attachment and has high face validity. Other studies have measured continuous dimensions of attachment anxiety and avoidance, but created attachment 10 categories based on high and low levels of these dimensions (Bifulco et al., 2002; Conradi & de Jonge, 2009; Cooper et al., 2009). While this method is an improvement in that it assesses multiple items related to attachment style, creating such attachment categories is often based on arbitrary cut-offs. Still other research uses continuous measures of both attachment dimensions (Davis et al., 2014; Dewitte, 2011; Edelstein & Gillath, 2008). These three approaches to measuring attachment show differential associations with correlates of attachment (e.g., Bekker & Croon, 2010; Bifulco et al., 2002; Surcinelli et al., 2010), suggesting they may not be measuring the same constructs. These methodological differences limit our understanding of attachment-related representations, behaviors, and emotions. Researchers have also conducted taxometric analyses to determine which structure (categorical or dimensional) best captures the nature of attachment in both child (Fraley & Spieker, 2003) and adult (Fraley et al., 2015) samples. Results of both studies concluded that attachment is better represented by continuous dimensions compared to categories. A 2-factor solution emerged, which resembles the previously described dimensions of attachment anxiety and avoidance. This suggests that individual differences in attachment style are best understood as varying levels of attachment anxiety and attachment avoidance. Measures of attachment must also account for the variability in attachment styles that individuals exhibit across different relationships (Waters et al., 2002). For example, a woman may display a preoccupied attachment with her parents, but a more secure attachment with her friends. Thus, the specific relationship(s) of interest must be clarified in assessing attachmentrelated behaviors and emotions. As a woman’s attachment to her intimate partner is the focus of the current study, a measure of romantic attachment was used. 11 The mode of assessing attachment is also important to consider. Research indicates that self-report measures of attachment do not always correlate to interview and observational measures of attachment (Waters et al., 2002). It is argued that these different types of measures are assessing different levels of attachment styles. For example, self-report measures likely assess more conscious attachment representations and behaviors, while interview and observational methods may tap unconscious attachment-related processes (Gawronski, Hofmann, & Wilbur, 2006; Waters et al., 2002). Stability of attachment styles across the lifespan. Attachment styles tend to be stable over time. Several retrospective studies demonstrate moderate stability in attachment styles from childhood to adulthood (e.g., Bartholomew & Horowitz, 1991; Hazan & Shaver, 1987). A few prospective studies have followed individuals for 15 to 20 years (ranging from infancy or childhood to late adolescence or adulthood) and found modest stability in attachment styles (Aikins, Howes, & Hamilton, 2009; Raby, Cicchetti, Carlson, Egeland, & Collins, 2013; Roisman & Booth-LaForce, 2014). Waters and colleagues (2000), for example, found that 72% of individuals were categorized similarly during their 20’s as they were during infancy. Several other studies have demonstrated modest stability across a number of years throughout childhood (Bar-Haim, Sutton, Fox, & Marvin, 2000; Main & Cassidy, 1988; NICHD, 2001; Vondra, Shaw, Swearingen, Cohen, & Owens, 2001), throughout adolescence (Allen, McElhaney, Kuperminc, & Jodl, 2004), and throughout early and late adulthood (Cozzarelli, Karafa, Collins, & Tagler, 2003; Hiester, Nordstrom, & Swenson, 2009; Scharfe & Bartholomew, 1994; Scharfe & Cole, 2006; Sibley & Liu, 2004; Zhang & Labouvie-Vief, 2004). While there is moderate stability in individuals’ attachment styles over time (e.g., Raby et al., 2013), some individuals change attachment styles across time. On average, individuals tend 12 to develop more secure attachment styles over time, though some individuals move from secure to insecure styles (Waters et al., 2002; Waters, Hamilton, & Weinfield, 2000). Studies also show that high-risk samples tend to exhibit greater attachment insecurity over time (Cozzarelli et al., 2003; Solomon, Dekel, & Mikulincer, 2008). Significant positive or negative life events are expected to modify an individual’s IWMs (Iwaniec & Sneddon, 2001; Scharfe & Cole, 2006). Studies have consistently shown that negative life events and traumatic stressors, including CM and IPV, contribute to increasingly insecure attachment styles (Aikins et al., 2009; Allen et al., 2004; Cozzarelli et al., 2003; Levendosky, Bogat, Huth-Bocks, Rosenblum, & von Eye, 2011; Roisman & Booth-LaForce, 2014; Scharfe & Cole, 2006; Solomon et al., 2008; Vondra et al., 2001). Further, psychological intervention and significant positive relationships can contribute to an increasingly secure attachment style over time (Iwaniec & Sneddon, 2001; Kobak, Zajac, Herres, & Ewing, 2015; Kooyman, Olij, & Storm, 2014). An individual’s attachment style is thus rooted in childhood experiences and shaped (for better or worse) across the span of her life based on subsequent relationships and experiences. For example, an individual with negative childhood experiences and an insecure attachment style early on may develop a more secure attachment style throughout their lifetime as a result of psychotherapy and positive social relationships. An individual with positive early care giving relationships may develop a more insecure attachment style following traumatic events in adulthood. Another individual with an insecure attachment style from experiencing neglect during formative years may develop an increasingly insecure attachment style by experiencing chronic trauma throughout the lifespan. 13 IPV and Attachment Consistent with research showing that traumatic events contribute to greater attachment insecurity, women who have experienced IPV often demonstrate insecure attachment styles (Alexander, 2009; Bond & Bond, 2004; Bookwala, 2002; Henderson et al., 2005; Karakurt, Silver, & Keiley, 2016; Kuijpers, van der Knaap, & Winkel, 2012; Shechory, 2012). One study found that 88% of women who recently left an abusive relationship exhibited insecure attachment styles (Henderson, Bartholomew, & Dutton, 1997). While several studies have shown a cross-sectional association between IPV and attachment insecurity, Weston (2008) demonstrated that IPV predicted increases in attachment insecurity over the course of a year in a community sample of low-income women. During a frightening or traumatic event, a woman would typically seek out her attachment figure for protection. However, in the case of IPV, her attachment figure is also the perpetrator of the abuse, and so she is unable to receive comfort from this attachment figure. This betrayal from her partner is likely to alter negatively the woman’s internal working models, resulting in models of the self as unworthy of love and/or models of others as harsh, abusive, and unreliable (Levendosky, Lannert, & Yalch, 2012). While recent IPV is likely to affect a woman’s attachment style, her attachment style is also shaped in large part by previous relationship experiences (Henderson et al., 2005). Therefore, a woman’s attachment insecurity could also have preceded the current IPV and partially be a result of prior interpersonal trauma (Alexander, 2009). A history of child maltreatment (CM), which is commonly reported in women experiencing IPV (Cannon, et al., 2010; Daigneault, Hebert, & McDuff, 2009; Whitfield, Anda, Dube, & Felitti, 2003), frequently results in attachment insecurity into adulthood (Bailey, Moran, & Pederson, 2007; Cort, Toth, Cerulli, & Rogosch, 2011; Riggs & Kaminski, 2010; Riggs, Cusimano, & Benson, 2011). 14 Additionally, women in abusive relationships often report a history of IPV in previous relationships (Alexander, 2009; Kuijpers et al., 2012; Smith & Stover, 2016). A history of IPV is associated with insecure attachment styles, even for women who are not currently in abusive relationships (Henderson et al., 2005). Therefore, CM, prior IPV, and current IPV may all contribute to women’s attachment insecurity in adulthood. However, no studies examining attachment styles in women currently experiencing IPV assess for the unique effects of prior interpersonal trauma. The insecure attachment styles commonly seen in women experiencing IPV may put them at risk for exhibiting depressive symptoms. Attachment and Depression Attachment insecurity puts women at risk for depressive symptoms following interpersonal stressors (Bifulco et al., 2002; Bowlby, 1980). Women with insecure attachment styles may develop depressive symptoms when security is disrupted or threatened, such as following the inability to form a secure attachment or the loss of a previously established attachment (Wei, Shaffer, Young, & Zakalik, 2005). The IWMs of insecurely attached women may negatively influence their interpretations of stressful interpersonal events, putting them at risk for depression (Bowlby, 1980; Scharfe, 2007). In order to maintain a coherent view of the world and herself, information from new experiences is assimilated to fit a woman’s internal working models. For example, the information attended to in an interpersonal interaction, how the information is perceived, and which past experiences are evoked during the situations are congruent with a woman’s attachment style (Bartholomew, 1990, 1997; Bartholomew & Horowitz, 1991; Bowlby, 1980). Interpersonal stressors are therefore likely to confirm feelings of insecurity and negative IWMs, decreasing an individual’s self-esteem and increasing her risk for depressive symptoms (Strodl & Noller, 2003; West, Rose, Spreng, Verhoef, & Bergman, 15 1999). Research demonstrates that attachment insecurity is associated with depressive symptoms in both cross-sectional (Bekker & Croon, 2010; Burnette, Davis, Green, Worthington, & Bradfield, 2009; Craparo, Gori, Petruccelli, Cannella, & Simonelli, 2014; Li, Lin, & Hsiu, 2011; Roelofs, Lee, Ruijten, & Lobbestael, 2011; Safford, Alloy, Crossfield, Morocco, & Wang, 2004) and longitudinal studies (Bifulco et al., 2002; Conradi & de Jonge, 2009; Monti & Rudolph, 2014; Scharfe, 2007). Both dimensions of attachment anxiety and avoidance may predict depressive symptoms in the face of stress. Attachment anxiety is associated with primarily negative IWMs of the self, and low self-worth is often associated with depressive symptoms (Scharfe, 2007). Individuals high in attachment anxiety also tend to demonstrate low self-efficacy and have difficulty demonstrating autonomy (Bowlby, 1969; Strodl & Noller, 2003). In the face of relational distress, they may feel abandoned, believe they are unable to cope on their own, and perceive the situation as indication of their own failure, putting them at risk for depressive symptoms (Sloman, Gilbert, & Hasey, 2003; Wei, Heppner, Russell, & Young, 2006). Attachment avoidance is associated with over-reliance on the self and emotional avoidance, making it difficult to process emotions and cope effectively with stressful situations (Monti & Rudolph, 2014; Sloman et al., 2003; Wei et al., 2006). Experiencing significant levels of stress may overwhelm the defense mechanisms of highly avoidant individuals. Therefore, when they encounter a stressful event with which they are unable to cope, their feelings of self-sufficiency are challenged, making them feel vulnerable and putting them at risk for depression. Studies demonstrate mixed results regarding which attachment styles are associated with depressive symptoms. However, attachment style has been assessed differently across studies, which may explain these inconsistent findings. Studies using prototype measures of attachment 16 categories find higher levels of depressive symptoms in individuals with preoccupied and fearful attachment styles (Carnelley, Pietromonaco, & Jaffe, 1994; Murphy & Bates, 1997; Surcinelli et al., 2010). Research that used attachment categories based on high and low levels of attachment anxiety and avoidance find that individuals with any type of insecure attachment demonstrate more depressive symptoms than those with secure attachment styles (Bifulco et al., 2002; Conradi & de Jonge, 2009). Many studies using dimensions of attachment have found that both attachment anxiety and avoidance are independently associated with depressive symptoms, although the effect of attachment anxiety is more robust (Bekker & Croon, 2010; Burnette et al., 2009; Li et al., 2011; Monti & Rudolph, 2014; Roelofs et al., 2011; Scharfe, 2007; Strodl & Noller, 2003; Woodward et al., 2013). Attachment and depression in women experiencing IPV. As attachment insecurity is consistently associated with depressive symptoms following interpersonal stressors, insecure attachment style may be one mechanism by which IPV leads to depressive symptoms. As previously mentioned, depression may result following the inability to form a secure attachment or the loss of a previously established attachment, both of which may occur in abusive relationships. Many abusers keep their partners at a distance and refrain from disclosing intimate information about themselves as a way to maintain control over the relationship (Stark, 2007). Insecurely attached women in these relationships may feel as though they are not good enough to get their partners to form a close connection. Other abusive individuals express intense affection or love and appear very open with their partners early in the relationship, often leading the woman to become attached to the abuser rather quickly (Dutton & Painter, 1993). Then, once the partner becomes abusive, she may have a difficult time letting go (Walker, 2009). Women with insecure attachment styles in either of these abusive scenarios are likely to make negative 17 attributions about self (e.g., I’m not good enough) or others (e.g., others cannot be trusted). These negative perceptions following the abuse put women at risk for depressive symptoms. While some research demonstrates that cognitive schemas similar to negative working models (e.g., expectation that others will hurt/abuse, fear of abandonment) mediate the association between IPV and depressive symptoms (Calvete, Corral, & Estevez, 2007; Calvete, Estevez, & Corral, 2007), no study has examined attachment style as a mediator from IPV to depressive symptoms. One study, however, has examined attachment insecurity as a moderator of this relationship (La Flair et al., 2015). Findings suggest that attachment anxiety strengthened the association between IPV and depression, while attachment avoidance did not significantly moderate this relationship (La Flair et al., 2015). Other research has demonstrated that attachment insecurity mediates the relationship between other types of interpersonal trauma (i.e., physical and sexual assault) and depressive symptoms (Elwood & Williams, 2007; Fowler, Allen, Oldham, & Frueh, 2013). The mechanism by which insecure attachment styles result in depressive symptoms is not well understood. It has been theorized that this association is due to IWMs guiding information processing, as insecurely attached women likely attend to negative cues in the environment and make more maladaptive interpretations (Beatson & Taryan, 2003; Bowlby, 1980; Scharfe, 2007; West et al., 1999). Stages of information processing will be reviewed in order to provide a framework to understand subsequent literature on attention and interpretation biases related to attachment and depression. Stages of Information Processing Information processing includes attending to stimuli in the environment and then making interpretations or meaning of the stimuli. Cognitive schemas play a top-down role in guiding 18 these stages of information processing (Everaert, Koster, & Derakshan, 2012). Individuals have limited ability to attend to and process all of the stimuli present in the environment. Through the process of selective attention, particular cues in the environment are focused on and selected for further processing (Atkinson et al., 2009; Dodge & Crick, 1990; Everaert et al., 2012). There are three stages of attentional processing: initially orienting attention toward the cues, engaging attention with the cues, and then disengaging (or failing to disengage) attention away from the cues (Petersen & Posner, 2012; Posner, 2012; Posner & Petersen, 1990). The types of information attended to are guided by cognitive schemas. Individuals typically attend to information that is consistent with their social schemas, resulting in a confirmation bias (Joormann & D’Avanzato, 2010; Koster, De Raedt, Leyman, & De Lissnyder, 2010). Biases in the initial stages of selective attention increase the probability that information will be transferred to short-term memory (Everaert et al., 2012; Koster et al., 2010; Mogg, Bradley, & Williams, 1995). After these cues are encoded, they are mentally represented in long-term memory and given meaning or interpretation (Joormann et al., 2007; Salemink, Hertel, & Mackintosh, 2010). An individual’s interpretation of a situation is biased based on the limited proportion of cues selected for further processing (Dodge & Crick, 1990; Joormann et al., 2007; Koster et al., 2010). These interpretations are also guided by cognitive schemas, which draw from relevant knowledge stored in long-term memory (Everaert et al., 2012; Williams et al., 2007). Mental representations, which are shaped by prior experiences, are used as a guide for interpreting and understanding the present situation (Crick & Dodge, 1994; Joormann & D’Avanzato, 2010; Salemink et al., 2010). Social situations are therefore interpreted in ways that are consistent with an individual’s cognitive schemas, resulting in confirmation bias and strengthening of their 19 original beliefs (Everaert et al., 2012; Salemink et al., 2010). Assigning meaning to a situation occurs at both conscious and unconscious levels of processing (Dodge & Crick, 1994; Joormann et al., 2007). Throughout this study, the terms “implicit” and “unconscious” will be used interchangeably, as will the terms “explicit” and “conscious,” as discussed in prior research (Dienes & Perner, 1999; Gawronski et al., 2006). Information Processing Biases and Attachment Styles The IWMs associated with a woman’s attachment style function like cognitive schemata, unconsciously guiding the cues she attends to in a situation, what prior attachment experiences are drawn from to make meaning of the scenario, and ultimately how she interprets the situation (Zimmermann, 1999; Ziv et al., 2004). As an individual’s IWMs become engrained or automatic, they play a top-down role in guiding the types of information attended to and selected for further processing by providing a set of rules for obtaining or limiting access to particular types of information (Atkinson et al., 2009; Collins, 1996; Collins & Read, 1994; Main, Kaplan, & Cassidy, 1985). Attachment styles filter incoming information both by directing attention toward information that is consistent with their IWMs and directing attention away from information that is inconsistent with their IWMs (Mikulincer & Shaver, 2003). IWMs determine whether attentional resources are directed toward or away from attachment-relevant cues, biasing interpretation of the situation in an expectation-consistent manner (Collins & Feeney, 2004; Van Emmichoven, Van Ijzendoorn, De Ruiter, & Brosschot, 2003). Attentional biases and attachment styles. Individuals may direct attention toward or away from attachment-related cues in order to cope with distress (Dewitte & Koster, 2014). For example, individuals who are high in attachment anxiety frequently monitor the availability of attachment figures, looking for potential signs of abandonment (Main, 1990). As such, they may 20 have an attentional bias toward attachment-related threats or negative attachment cues. Those high in attachment avoidance believe they are self-sufficient and downplay the importance of attachment relationships in order to avoid rejection and cope with unfulfilled needs for intimacy (Bartholomew, 1990). These individuals are likely to demonstrate attentional bias away from signs of support or positive attachment cues in order to confirm beliefs they only need to rely on themselves. Securely attached individuals are able to balance their attention between attachment cues (need for security) and other cues in their environment (need for exploration) (Atkinson et al., 2009). A number of empirical studies have tested whether attentional biases differ across attachment styles, yet findings have been mixed. A few studies, however, have found results consistent with predictions. For example, one study found that attachment avoidance was associated with attentional biases away from positive attachment-related words (Edelstein & Gillath, 2008). Other research demonstrated that attachment anxiety is associated with attentional biases toward negative emotion faces (Westphal, Bonanno, & Mancini, 2014) and threatening words (Bailey, Paret, Battista, & Xue, 2012). This finding is consistent with predictions that attachment anxiety would be associated with negative stimuli, though these studies did not include attachment-specific negative cues. Another way that attachment style may influence attentional bias is through one’s attentional scope. Attentional breadth encompasses which and how much information will be attended to and processed simultaneously (Gable & Harmon-Jones, 2010). Dewitte and Koster (2014) demonstrated that attachment avoidance was associated with a broader attentional scope (attempts to reduce attention on attachment figure), while attachment anxiety was associated with a narrower attentional scope, focused particularly on the individual’s romantic partner 21 (attempts to seek proximity or monitor attachment figure’s availability). Attentional scope may influence selective attention bias, as a narrow scope makes it more likely for a woman to focus her attention on attachment-related cues, while a broad scope makes it more likely for a woman to focus her attention away from attachment cues. Therefore, this is consistent with hypotheses that attachment anxiety is associated with attention toward negative attachment cues (e.g., signs of rejection), while attachment avoidance is associated with attention away from positive attachment cues (e.g., signs of support). While a few studies have supported hypotheses regarding attentional biases associated with attachment anxiety and avoidance, other studies have found associations in the opposite direction than expected (Davis et al., 2014; Dewitte, Koster, De Houwer, & Buysse, 2007; Westphal et al., 2014; Van Emmichoven et al., 2003) or no association between attachment style and attentional biases (Dewitte, 2011). There are significant differences in methodology used across these studies, which may account for these inconsistent results. For example, attachment style was assessed differently across studies. While many studies used dimensional measures of attachment anxiety and avoidance (Davis et al., 2014; Dewitte, 2011; Dewitte & De Houwer, 2008; Dewitte & Koster, 214; Dewitte, De Houwer, Koster, & Buysse, 2007; Dewitte, Koster, De Houwer, & Buysse, 2007; Edelstein & Gillath, 2008; Wesphal et al., 2014), others used categorical measures (Atkinson et al., 2009; Cooper, Rowe, Penton-Voak, & Ludwig, 2009; Silva, Soares, & Esteves, 2012; Van Emmichoven et al., 2003). Furthermore, the stimuli used as targets in attentional tasks vary widely across studies. Only a few studies used attachment-related words (Atkinson et al., 2009; Dewitte, Koster, De Houwer, & Buysse, 2007; Edelstein & Gillath, 2008) or stimuli related to one’s attachment figure (Dewitte, De Houwer, Koster, & Buysse, 2007). Several other studies utilized emotions 22 faces (Cooper et al., 2009; Davis et al., 2014; Dewitte, 2011; Dewitte & De Houwer, 2008; Westphal et al., 2014), emotional images (Silva et al., 2012), or positive/negative emotion words unrelated to attachment (Bailey et al., 2012; Van Emmichoven et al., 2003). Given that attachment styles are hypothesized to direct an individual’s attention toward or away from cues that are consistent with his or her IWMs, attachment-specific stimuli are likely the best test of attachment-related attentional biases. The small number of studies using attachment-related stimuli provides mixed results. Atkinson and colleagues (2009) found that insecurely attached women had greater attentional bias toward negative attachment cues compared to securely attached women. This study did not examine dimensions of attachment anxiety and avoidance. Another study found that individuals high in both attachment anxiety and avoidance demonstrated attentional bias away from negative cues of attachment threat (Dewitte, Koster, De Houwer, & Buysse, 2007). Lastly, Edelstein and Gillath (2008) showed that attachment avoidance was associated with attention bias away from positive and negative attachment-related cues, but found no relationship for attachment anxiety. Other research that used names of individuals’ attachment figures as stimuli found that attachment anxiety was associated with attentional bias toward the attachment figure, while avoidance was unrelated to attention bias (Dewitte, De Houwer, Koster, & Buysse, 2007). The inconsistent findings may be due to other methodological differences, such as the specific task of selective attention used. Several studies used the emotional Stroop task (Atkinson et al., 2009; Bailey et al., 2012; Edelstein & Gillath, 2008; Van Emmichoven et al., 2003), a modified version of the Stroop task in which color words are replaced with neutral and emotional words. If individuals take longer to respond to emotional words compared to neutral words, it is assumed that the individual 23 selectively attended toward the emotional stimuli. However, there is debate regarding the mechanisms that underlie interference during the Stroop task (Donaldson, Lam, & Mathews, 2007; MacLeod, 2005; Mogg, Millar, & Bradley, 2000; Musa, Lepine, Clark, Mansell, & Ehlers, 2003), and it is unclear whether the task solely measures attention, or whether it also measures other cognitive processes (e.g., general interference, cognitive avoidance). Therefore, the emotional Stroop task may not be the most direct measure of selective attention. Some research has employed a modified dot-probe task (MacLeod, Mathews, & Tata, 1986), using either attachment- or emotion-related stimuli (Davis et al., 2014; Dewitte, De Houwer, Koster, & Buysse, 2007; Dewitte, Koster, De Houwer, & Buysse, 2007; Westphal et al., 2014). In this task, two words are presented on a screen for a short period of time (e.g., 500 ms, 1000 ms), one above the other. An emotional word (e.g., attachment-related threat word) is usually paired with a neutral word. As the word pair disappears, a small dot-probe replaces one of the two words and remains on the screen until the participant indicates the location of the probe as quickly and accurately as possible. If participants have faster reaction times to dotprobes that replace emotional stimuli compared to neutral stimuli, they would be considered to have an attentional bias toward the emotional stimuli, as it is assumed they were already attending to the stimulus in that location. Some researchers have questioned the reliability of the dot-probe task, as they have identified low estimates of internal reliability (< .5; Schmukle, 2005; Waechter, Nelson, Wright, Hyatt, & Oakman, 2014; Waechter & Stolz, 2015). However, these studies have focused only on anxiety-related threat stimuli, and the reliability of this task for other types of stimuli (e.g., attachment, depression) is not known. Research on attention biases related to attachment style is a small, but growing, body of literature. At this point, inconsistency in methods used across studies make it difficult to draw 24 firm conclusions regarding the specific nature of attention biases associated with attachment anxiety and avoidance. A few studies, however, lend support for the hypotheses that attachment anxiety is associated with attention toward negative attachment cues and that attachment avoidance is associated with attention away from positive attachment cues. These biases in selective attention may limit the types of information encoded for further processing, thus biasing the interpretations as congruent with IWMs. Interpretation biases and attachment styles. During the process of interpretation, the current situation can evoke memories of similar experiences from the past. Through mental representations that are shaped over time, these memories trigger expectations for the meaning of the current situation, expectations which are then checked against the data (information gathered from the situation) to confirm whether or not the expectations are correct. If a woman selectively attends to situational information that is consistent with her attachment style, this information is highly likely to confirm her expectations regarding the meaning of the situation. This interpretation process can occur at both unconscious (i.e., implicit interpretation bias) and conscious (i.e., explicit interpretation bias) levels of processing (Main et al., 1985; Zimmermann, 1999). In the current study, implicit or unconscious interpretation bias refers to a lack of awareness regarding the presence of particular attitudes, beliefs, or cognitions, also called lack of content awareness. Explicit or conscious interpretations refer to attitudes, beliefs, or cognitions of which the individual is aware (Gawronski et al., 2006). The types of interpretation biases associated with attachment anxiety and avoidance are likely to differ. Attachment avoidance, which limits attention to positive attachment cues, is likely associated with negative interpretations of others. That is, if a woman does not focus on support from an attachment figure, she is more likely to make attributions about others as 25 unreliable or unsupportive. Attachment anxiety, associated with attention to negative attachment cues, is likely associated with negative attributions of the self. For example, if a woman is focused on cues of abandonment, she is more likely to perceive herself as worthless. Research supports that women interpret situations in a way that is consistent with their IWMs. However, the majority of this research has focused on explicit interpretations. In general, individuals with secure attachment styles tend to explicitly interpret situations positively, while those with insecure attachment styles interpret situations negatively (Gallo & Smith, 2001; Pereg & Mikulincer, 2004; Rekart, Mineka, Zinbarg, & Griffith, 2007; Shaver & Mikulincer, 2008; Whisman & McGarvey, 1995). Consistent with hypotheses, some research finds that attachment avoidance is associated with explicit negative interpretations of others, such as interpreting the intention of their behaviors as hostile (Mikulincer, 1998; Vrticka, Sander, & Vuilleumier, 2012). However, others find that both attachment anxiety and avoidance are associated with negative attributions of others, including attributions about the behavior of one’s own romantic partner and other attachment figures (Collins, 2006; Heene, Buysse, & Van Oost, 2005; Pearce & Halford, 2008; Sumer & Cozzarelli, 2004; Dewitte & De Houwer, 2011). Attachment insecurity has also been associated with explicit negative attributions of the self. In particular, attachment anxiety is associated with negative self-appraisals (Mikulincer, 1998; Sumer & Cozzarelli, 2004) and perceiving oneself as unable to cope with emotional distress (Vrticka et al., 2012). Fewer studies have examined implicit interpretation biases in insecurely attached individuals. Insecurely attached individuals are more likely to interpret ambiguous situations as threatening compared to securely attached individuals (Meyer, Pilkonis, & Beevers, 2004; Mikulincer & Florian, 1995; Mikulincer & Shaver, 2001; Radecki-Bush, Farrell, & Bush, 1993; Sheinbaum et al., 2105; Wang, King, & Debernardi, 2012). Maier and colleagues (2004) used 26 narrative interview techniques designed to capture unconscious attachment representations and found that women implicitly interpret their experiences in a manner consistent with their IWMs. Overall, research demonstrates that individuals make interpretations that are congruent with their IWMs, which insecurely-attached individuals make more negative attributions. The majority of these studies, however, have examined explicit interpretations of interpersonal situations. As IWMs are considered unconscious representations of attachment experiences (Maier et al., 2004), it is important for more studies to examine how these mental representations guide implicit interpretations of social situations. These beliefs may be especially important to examine as a risk factor for depression, as they likely represent beliefs that are most painful and have been suppressed from conscious awareness. Summary. Evidence suggests that insecure attachment styles may lead to attention and interpretation biases that are congruent with IWMs. These information processing biases likely put insecurely attached individuals at risk for depressive symptoms, as they are more likely to attend to negative information and interpret stressful situations in a maladaptive way. Research has demonstrated that explicit interpretations consistent with IWMs mediate the relationship between attachment insecurity and depressive symptoms (Elwood & Williams, 2007; Marganska, Gallagher, & Miranda, 2013; Whisman & McGarvey, 1995). Thus far, no studies to date have examined how attention and implicit interpretation bias may play a role. Research unrelated to attachment, however, has demonstrated how these negative information processing deficits are important factors in the development and maintenance of depression. 27 Information Processing Biases and Depression Cognitive theories of depression are based on an information processing model and suggest that depressive symptoms are caused and maintained by deficits in attention and interpretation (Beck, 1987; Bower, 1981; Ingram, 1984; Teasdale, 1983). Beck (1964) proposed that depressed individuals have a negative schema that distorts an individual’s thought process. A depressive schema leads an individual to attend to negative information in the environment and interpret situations in a negative way that results in depressive affect (Beck, 1964, 1987). Depressed individuals focus on negative information at the expense of positive or neutral cues (Dozois & Beck, 2008), leading to a confirmation of previous negative expectations. These maladaptive cognitive processes are more likely to result in depression in the context of stressful life events (Dozois & Beck, 2008). Attentional biases in depression. Consistent with cognitive theories, a number of studies have found that depressed individuals show a greater attentional bias toward negative stimuli than positive or neutral stimuli, as well as a greater bias toward negative stimuli when compared to non-depressed individuals (Dai & Feng, 2011; Ellenbogen & Schwartzman, 2009; Fritzsche et al., 2010; Joormann & Gotlib, 2007; Karparova, Kersting, & Suslow, 2007; Kellough, Beevers, Ellis, & Wells, 2008; Sears, Newman, Ference, & Thomas, 2011; Shane & Peterson, 2007). While cognitive theories of depression suggest that attentional biases may be one etiological mechanism for the development of depression (Beck, 1987; Ingram, 1984), many of these studies examined attentional biases in already depressed patients (e.g., Gotlib et al., 2004; Taylor & John, 2004; Shane & Peterson, 2007), making it difficult to conclude whether it was a cause and/or result of the depression. 28 A few prospective studies have shown that negative attentional biases predict subsequent depressive symptoms following the occurrence of life stressors (Beevers & Carver, 2003; De Raedt & Koster, 2010; Price et al., 2016), suggesting it may be a causal mechanism. Others have shown that attention bias may be related to the maintenance of depressive symptoms. Specifically, negative attentional biases were associated with slower mood recovery following a sad mood induction (Clasen et al., 2013; Sanchez, Vazquez, Marker, LeMoult, & Joormann, 2013). Together, these studies suggest attentional biases may cause and maintain depressive symptoms. While several studies support a negative attentional bias in depressed individuals, other research did not find evidence of this negative bias (Clasen, Wells, Ellis, & Beevers, 2013; Ellenbogen, Schwartzman, Stewart, & Walker, 2002; Koster, Leyman, De Raedt, & Crombez, 2006; Sass et al., 2014). Methodological differences across studies may partially explain these inconsistencies. For example, results differed depending on the length of time participants were exposed to stimuli. Studies with longer exposure times (e.g., greater than 1000 ms) were more likely to find a negative attentional bias in depressed individuals than studies with shorter exposure times (e.g., 14 ms, 500-700 ms; Bradley, Mogg, & Lee, 1997; Donaldson et al., 2007; Gotlib et al., 2004; Joorman & Gotlib, 2007; Koster, De Raedt, Goeleven, Franck, & Crombez, 2005). Other studies have found a negative attentional bias in depressed participants during later, controlled stages of attention, and not during early, automatic stages of processing (Duque & Vazquez, 2015; Koster et al., 2005; Lee Pe, Vandekerckhove, & Kuppens, 2013). This suggests that depressed individuals are likely to excessively elaborate on negative material (Donaldson et al., 2007; Sanchez et al., 2013). 29 The type of stimuli used also differed across studies. For example, many studies used general negative stimuli (e.g., angry faces, words related to physical threat; Joormann & Gotlib, 2007; Karparova, Kersting, & Suslow, 2005; Mathews, Ridgeway, & Williamson, 1996). These stimuli are not necessarily relevant to depression and thus biases toward these words would not be expected in depressed individuals (e.g., Donaldson et al., 2007; McCabe & Gotlib, 1995). Studies that have used words more specific to depression (e.g., sad, lonely, rejection) more consistently find a negative attentional bias in depressed individuals (e.g., Bradley et al., 1997; Ellenbogen & Schwartzman, 2009; Hill & Knowles, 1991; Shane & Peterson, 2007). Schlosser and colleagues (2011) found a greater attentional bias for negative stimuli that participants rated more personally relevant to them than for negative stimuli they rated as irrelevant to them. Another important difference in methodology that may explain mixed findings in the literature is the selective attention task used. Studies that have used more than one task of selective attention found mixed results across tasks, suggesting attention bias tasks are not all measuring the same construct (Fritzsche et al., 2010; Joorman et al., 2006). Further, a metaanalysis demonstrated that the association between attentional biases and depression depended on the task used; a moderate, significant association was observed for studies using the dot-probe task (d = 0.52), while the relationship was not significant for studies using the emotional Stroop task (Peckham, McHugh, & Otto, 2010), the limitations of which were discussed earlier (MacLeod, 2005; Mogg et al., 2000; Musa et al., 2003; Donaldson et al., 2007). Studies that have used the exogenous cueing task have also shown mixed results (Baert, De Raedt, & Koster, 2010; Clasen et al., 2013; Ellenbogen & Schwartzmn, 2009; Everaert, Tierens, Uzieblo, & Koster, 2013; Koster et al., 2006). The dot-probe task, the most widely used measure of attention bias (Rodebaugh et al., 2016), is a more consistent predictor of attention biases associated with 30 depression (Bradley et al., 1997; Fritzsche et al., 2010; Gotlib et al., 2004; Hill & Dutton, 1989; Joormann & Gotlib, 2007; Mathews et al., 1996; Mogg et al., 1995; Shane & Peterson, 2007; Taylor & John, 2004). While findings have been mixed, the majority of research demonstrates an attentional bias toward depression-related stimuli in depressed individuals. This finding is especially strong for studies using the dot-probe task, stimuli presented for longer periods of time, and tasks using depression-relevant stimuli. Given depressed individuals are likely to attend to depressive cues, they are also likely to interpret situations based on these negative cues. Interpretation biases in depression. Given that an individual’s schema guides the way they process information, individuals with depressive schemata interpret events in a negative way. Individuals draw from similar events in their memory store in order to make attributions. Given depressed individuals are more likely to attend to negative information and interpret information in a negative way, they are also more likely to remember negative information (e.g., De Raedt & Koster, 2010; Rinck & Becker, 2005). Therefore, when interpreting current situational cues, they are likely to have a greater proportion of negative memories from which to draw. Much research has demonstrated a negative bias in the explicit interpretations depressed individuals make. While several cross-sectional studies show an association between negative attributions and depressive symptoms (Abela, 2002; Alloy & Clements, 1998; Gibb et al., 2001; Gonzalo, Kleim, Donaldson, Moorey, & Ehlers, 2012; Haeffel, 2011; Metalsky, Joiner, Hardin, & Abramson, 1993; Metalsky & Joiner, 1992), there are also prospective studies that demonstrate negative attributions following a stressful event predict symptoms days and weeks later (Abela, 2002; Abela, Aydin, & Auerbach, 2006; Haeffel, 2011; Hankin, 2010; Kwon & 31 Laurenceau, 2002; Metalsky, Halberstadt, & Abramson, 1987; Metalsky et al., 1993; Swendsen, 1998). Depressive symptoms are more likely to result when individuals blame themselves for the occurrence of a negative event, view themselves negatively as a result of the event (e.g., worthlessness), and expect catastrophic consequences to result (Alloy, Abramson, Metalsky, & Hartlage, 1988). Furthermore, the more stable (likely to persist over time) and global (affecting many areas of one’s life) the attributions are, the more likely they are to result in depressive symptoms (Metalsky et al., 1987). Not only do depressed individuals exhibit explicit biases in interpreting information in a negative way, but they demonstrate similar biases on an implicit, unconscious level. Several studies have used the Scrambled Sentences Test (Wenzlaff & Bates, 1998), which requires participants to unscramble words in order to create a sentence that must be positive or negative. For example, participants are presented with the scrambled words “looks the future bright very dismal,” forcing them to create a positive (“the future looks very bright”) or negative (“the future looks very dismal”) sentence. Studies using this task have repeatedly found that depressed individuals generate a greater proportion of negative sentences, suggesting that depression is associated with a tendency to interpret ambiguous information in a negative way (Brockmeyer et al., 2012; Everaert et al., 2013; Everaert, Duyck, & Koster, 2014; Rude, Covich, Jarrold, Hedlund, & Zentner, 2001; Rude, Durham-Fowler, Baum, Rooney, & Maestas, 2010; Rude, Valdez, Odom, & Ebrahimi, 2003; Rude, Wenzlaff, Gibbs, Vane, & Whitney, 2002; Van der Does, 2005; Wells, Vanderlind, Selby, & Beevers, 2014). Summary. Overall, a robust association has been found between depression and negative interpretation biases. These biases occur at both conscious and unconscious levels of processing. The cognitive model suggests that negative interpretation biases are influenced by attention 32 biases, as interpretations are based on the cues attended to in the environment. Everaert and colleagues (2013, 2014) demonstrated this link, showing that negative attentional biases in depressed individuals predict depressive interpretation biases. These stages of information processing are guided by depressive cognitive schemas. Information Processing Biases in Attachment and Depression As information processing biases are associated with insecure attachment styles as well as depressive symptoms, such information processing deficits may explain the association between attachment style and depressive symptoms. In particular, attachment avoidance may be associated with attentional biases away from positive attachment cues, leading women to make negative interpretations about others (e.g., they are unreliable, unsupportive), which could result in depressive symptoms. Conversely, attachment anxiety may lead to attentional biases toward negative attachment cues, biasing women’s interpretations about themselves (e.g., I am worthless, it’s my fault). These negative self-attributions may increase a woman’s risk for developing depressive symptoms. Some research has demonstrated that explicit interpretations of self and other that are consistent with IWMs partially mediate the relationship between attachment insecurity and depressive symptoms (Elwood & Williams, 2007; Marganska et al., 2013; Whisman & McGarvey, 1995). Attention and implicit interpretation biases, however, have not yet been examined as mechanisms from attachment style to depression. Theory and methods from the information processing literature related to both depression and attachment allow for an easy integration of this research. Both theories describe an overarching cognitive schema or working model that guide information processing biases. Further, there is significant overlap in the themes represented in depressive cognitive schemas and insecure attachment styles, thus resulting in significant overlap in the content of stimuli used 33 in attention and interpretation bias tasks. For example, themes related to loss, separation, failure, worthlessness, and rejection are common among depressive schema and insecure attachment styles. As such, there is overlap between negative stimuli used in studies of depression and research on attachment (e.g., rejected, ignored, abandon; Dewitte, Koster, De Houwer, & Buysse, 2007; Hill & Dutton, 1989; Hill & Knowles, 1991; Edelstein & Gillath, 2008). As previously mentioned, individuals tend to show a bias toward depression-related words that are personally relevant to them (Schlosser et al., 2011), which may be similar to individuals demonstrating biases toward stimuli congruent with their IWMs. While the literature on attention biases in depression has focused on which stages of attentional processing are most relevant for depressive risk, the attachment literature has focused less on this issue. Studies using either the dot-probe or exogenous cueing paradigms have presented stimuli for either 500 ms (Davis et al., 2014; Dewitte et al., 2007; Dewitte & De Houwer, 2008) or 1000 ms (Cooper et al., 2009; Dewitte et al., 2007; Westphal et al., 2014). However, studies using these two exposure times have not shown a clear pattern of differing results, suggesting attachment-related attention biases may occur at both early and late stages of processing. However, attention biases in depression are only observed in later stages of processing (e.g., 1000 ms or later). Overall, these studies suggest that information processing deficits associated with insecure attachment styles may be a mechanism by which attachment insecurity leads to depressive symptoms in the face of stressful interpersonal events. Attachment Style as a Mechanism from IPV to Depression Information processing deficits are therefore likely to explain why insecure attachment styles result in depressive symptoms for survivors of IPV. Women who have developed insecure attachment styles (in part from the IPV) are likely to process information related to the abuse 34 more negatively than women with secure attachment styles. In particular, women high in attachment anxiety may direct their attention toward negative attachment cues (e.g., rejection from their partners), making it more likely that they will make negative interpretations about themselves (e.g., I deserved the abuse). Women high in attachment avoidance may direct attention away from positive attachment cues (e.g., partner’s attempts to make amends, social support offered by friends), making it likely they will make negative interpretations about others (e.g., nobody is there when I really need them, even the people you love will eventually hurt you). These negative attributions about self and others following the experience of IPV ultimately make women vulnerable for depressive symptoms. Attention biases in women experiencing IPV. A few studies unrelated to attachment have examined attentional biases in women with a history of IPV. Findings indicate that survivors demonstrate a greater attentional bias toward dysphoric words and fearful faces than women who have not experienced IPV (Lee & Lee, 2012, 2014). More research has examined attentional biases in other types of trauma. Studies consistently demonstrate that trauma survivors demonstrate a specific attentional bias towards words that are related to their trauma, such as words related to sexual violence or the body in survivors of sexual trauma (DePierro, D’Andrea, & Pole, 2013; Fleurkens, Rinck, & van Minnen, 2011; Witthoft, Borgmann, White, & Dyer, 2015). These trauma-related attentional biases are associated with depressive symptoms in trauma-exposed samples (Ashley, Honzel, Larsen, Justus, & Swick, 2013; Hauschildt, Wittekind, Moritz, Kellner, & Jelinek, 2013; Iacoviello et al., 2014), supporting the notion that attentional biases may contribute to depression for women experiencing IPV. Interpretation biases in women experiencing IPV. Research on interpretations of women experiencing IPV has primarily focused on explicit interpretations. Causal attributions 35 for the abuse (i.e., attributions of blame) are most commonly studied. Some studies show that women blame themselves for the abuse (Babcock & DePrince, 2012; Barnett, 2000; Beck et al., 2015; Hassija & Gray, 2012; Hebenstreit, Maguen, Koo, & DePrince, 2015; Lim, Valdez, & Lilly, 2015; Reich et al., 2015; Towns & Adams, 2016; Walker, 2009). Some examples of this include women attributing the cause of the abuse to their own assertiveness or disagreeing with their partner (O’Leary, Curley, Rosenbaum, & Clarke, 1985), or believing they should be able to change their partner’s abusive behavior through unconditional love (Towns & Adams, 2000). These causal attributions may reflect negative perceptions of self. Other studies find that women primarily blame their partners for the abuse (Holtzworth-Munroe, 1988; O’Leary et al., 1985; Pape & Arias, 2000). Other research has identified negative explicit perceptions of self in women experiencing IPV (Beck et al., 2015). For example, IPV is associated with low self-worth (Clements, Sabourin, & Spiby, 2004; Valdez & Lilly, 2015), feelings of powerlessness (Valdez, Lim, & Lilly, 2013), and being over critical of oneself (Taskale & Soygut, 2017). One study found that some women choose to “subordinate the self,” or act in accordance to the abuser’s desires, in an attempt to de-escalate the violence (Campbell, Kub, Belknap, & Templin, 1997). Frequently subordinating the self may lead women to make negative attributions about the self, as it may result in beliefs that women deserve to be silenced or are unable to exert autonomy (Ferraro & Johnson, 1983). Studies also demonstrate negative explicit beliefs about others associated with IPV victimization. For example, women experiencing IPV often believe others will not protect them (Lim et al., 2015) or be able to meet their needs (Atmaca & Gencoz, 2016; Taskale & Soygut, 2017; Valdez et al., 2013). IPV is also associated with difficulty trusting others due to 36 feelings of betrayal (Valdez et al., 2013) and general beliefs that the world is malevolent (Valdez & Lilly, 2015). Research on implicit interpretation biases in IPV-exposed women is limited. Using projective assessment, one study examined implicit beliefs regarding self and others in women with and without a history of IPV (Pallini, Alfani, Marech, & Laghi, 2017). These authors found that women who experienced IPV were more likely to describe characters as having less agency and capability and used more themes of danger and failed protection compared to women who have not experienced IPV. These results suggest women with IPV may demonstrate implicit negative perceptions of self (as incapable and powerless) and others (as unsafe and unable to protect). Another study found that IPV was associated with negative interpretations of ambiguous situations (Lambert, Benight, Wong, & Johnson, 2013). Specifically, the authors assessed women’s likelihood to interpret physiological arousal as an indication of low self-efficacy. Women were provided with ambiguous scenarios related to physical sensations (e.g., “You feel short of breath”) and were given three potential explanations for the scenario. Two of the explanations were neutral or related to physical health, and one explanation was negative related to the self (e.g., “You can’t deal with what’s going on in your life”). Women experiencing IPV were more likely to attribute the symptoms to low self-efficacy than were non-abused women, and this negative interpretation bias was associated with depressive symptoms. While this study provides some evidence for a negative implicit interpretation bias in women experiencing IPV, it focuses only on interpretations about the self and is not focused on interpersonal situations. Some research has examined implicit interpretations related to other types of trauma and found that individuals exposed to trauma were more likely to interpret ambiguous situations as 37 negative or risky compared to individuals not exposed to trauma (Elwood, Williams, Olatunji, & Lohr, 2007). DePrince and colleagues (2009) found that interpersonal trauma is associated with implicit negative interpretations about others, including the belief that relationships are harmful. While there is some evidence to suggest women experiencing IPV have negative unconscious interpretation biases, research to date is limited. Summary. These studies demonstrate attention and interpretation biases found in trauma-exposed individuals. However, no studies have examined attachment-specific information processing biases in women experiencing IPV. Differences in attachment style, which result in part from IPV, may explain the different findings across studies. For example, research suggests that some women blame themselves for the abuse, while others blame their partners or may even blame both themselves and their partners. This variability in causal attributions may be explained by individual differences in attachment style; attachment anxiety may be positively associated with self-blame, while attachment avoidance may relate to partnerblame. These information processing biases that are congruent with IWMs put women at risk for developing depressive symptoms. Examining these findings through the lens of attachment style can provide a greater understanding of information processing that occurs following traumatic events. The Role of Interpersonal Trauma History in Information Processing Biases and Depression A woman’s history of interpersonal trauma may also play a significant role in her risk for depression. As previously discussed, adult attachment styles are a product of relational experiences across childhood and adulthood. Given this, a woman’s history of CM or prior IPV may have contributed to a woman’s attachment style. These previous experiences of 38 interpersonal trauma may increase a woman’s risk for depressive symptoms, as attachment representations that are shaped from prior experiences guide how she processes information from her current abusive relationship. As previously described, a woman’s IWMs (and resulting interpretations) are influenced by experiences from her past. During the stage of interpretation, a woman recalls relevant knowledge from memory, gained through prior attachment experiences, and uses this as a guide for interpreting and understanding her present situation (Crick & Dodge, 1994). When an abused woman makes attributions for the IPV she has experienced, she draws on mental representations she has developed from prior relationships. For a woman with a history of CM or prior IPV, the IPV she is currently experiencing may trigger memories of her previous abuse (Briere, 2004), along with relevant interpretations (e.g., “I never do anything right”) and emotions (e.g., sadness, loneliness). The recollection of these prior abusive experiences might increase the likelihood she makes negative interpretations about her abuse (e.g., “It is my fault”), putting her at greater risk for developing depressive symptoms. A woman without a history of CM or past IPV, whose attachment insecurity is mainly a result of IPV in her current relationship, may be more likely to have positive relational experiences from which to draw. The recollection of more loving attachment representations might decrease the likelihood that she makes negative attributions about the IPV, decreasing her depressive symptom risk. Research on whether childhood trauma influences the interpretation of traumatic events in adulthood is limited. One study found that women with a history of CM were more likely to engage in self-blame for IPV they experienced in adulthood (Babcock & DePrince, 2012). Some research, however, has examined information processing biases in women with histories of CM or IPV. For example, a history of CM is associated with attentional biases toward negative 39 emotion faces (de Silva Ferreira et al., 2014; Gibb, Schofield, & Coles, 2009; Gunther, Dannlowski, Kersting, & Suslow, 2015; Pollak, Cicchetti, Hornung, & Reed, 2000) and away from happy faces (Davis et al., 2014). Fewer studies have examined interpretation biases in adult survivors of CM. Survivors of CM have a tendency to make negative implicit interpretations about ambiguous information (Luke & Banerjee, 2013). For example, a history of CM is associated with interpreting neutral faces as angry (Gibb et al., 2009) and making hostile attributions about the intent of others’ behavior (Kay & Green, 2015). Wells and colleagues (2013) found that adults who experienced maltreatment in childhood were more likely to make negative implicit interpretations on the Scrambled Sentence Test and exhibit negative explicit attributions about self and others. While no study has compared the concurrent role of prior and current IPV on information processing biases, previously described studies demonstrate attention and interpretation biases associated with a history of IPV, even for women not currently in abusive relationships (e.g., Lee & Lee, 2014; Pallini et al., 2017; Valdez & Lilly, 2015). This research suggests that women with a history of interpersonal trauma may attend to negative information and interpret situations in maladaptive ways. These information processing biases may be associated with insecure attachment styles that resulted from CM and prior IPV and may influence the way that women perceive current interpersonal situations. It is especially likely to influence the processing of ongoing IPV, as the abuse may bring up memories of childhood abuse or previous IPV and confirm prior negative expectations about the self or others. These elicited memories are therefore likely to increase the negative interpretations a woman makes about her abuse, confirming her IWMs and increasing her risk for depression. 40 Summary of Current Study Women who experience IPV are at risk for depressive symptoms, and attachment style may account for this relationship. The more frequent IPV a woman experiences, the more insecurely attached she is likely to become, as frequent abuse strengthens her negative IWMs. Furthermore, attachment insecurity is associated with depressive symptoms following stressful interpersonal events. However, the mechanism for why attachment insecurity results in depressive symptoms is poorly understood. Information processing deficits associated with insecure attachment styles may be one such mechanism. An individual’s attachment-related IWMs of self and other unconsciously guide how the individual processes social information, influencing what aspects of a situation are extracted and how the situation is appraised (Atkinson et al., 2009). Information is processed in a way that is congruent with a woman’s IWMs. For insecurely attached women, interpersonal stressors are likely to be perceived negatively, putting a woman at risk for depression. While empirical studies have demonstrated attention and implicit interpretation biases associated with insecure attachment styles (e.g., Dewitte & De Houwer, 2008; Westphal et al., 2014), these attachment-related information processing deficits have not been associated with depression in the empirical literature. Research unrelated to attachment, however, demonstrates that negative attention and implicit interpretation biases are important mechanisms in the development of depressive symptoms (e.g., Gotlib et al., 2004). Therefore, the information processing deficits associated with insecure attachment styles are likely to put women who experience IPV at risk for depressive symptoms. Both attachment anxiety and avoidance are likely associated with depressive risk, but through different information processing pathways. Attachment anxiety is associated with greater attention toward negative attachment-related cues, increasing the likelihood of making 41 negative attributions about the self as worthless or deserving of abuse. Attachment avoidance, on the other hand, is related to attending away from positive attachment-related cues, increasing the likelihood of making negative attributions about others as unreliable, untrustworthy, or harmful. Both negative interpretations of the self and others are likely to put women at risk for developing depressive symptoms. A history of CM or prior IPV is also likely to influence a woman’s risk of developing depressive symptoms. Specifically, women pull from mental representations shaped by past abuse when interpreting current experiences of IPV, increasing the likelihood of making negative attributions about the IPV. Women without a history of CM or past IPV, with positive attachment experiences from which to draw, may be less likely to make consistently negative attributions about the IPV. The current study tested the following hypotheses: 1) Frequency of IPV would be positively associated with attachment insecurity, depressive symptoms, negative attention and interpretation biases, and CM. 2) IPV and a history of interpersonal trauma would each have positive associations with depressive symptoms. 3) Attachment insecurity would mediate the association between IPV and depressive symptoms. Interpersonal trauma history would also be positively associated with attachment insecurity. a. Both attachment anxiety and avoidance would significantly mediate this relationship. 4) Attachment insecurity would predict negative attention and implicit interpretation biases. 42 a. Attachment anxiety would be associated with attentional bias toward negative attachment stimuli. Attachment avoidance would be associated with attentional bias away from positive attachment stimuli. b. Attachment anxiety would be positively associated with negative implicit interpretations of self, and attachment avoidance would be positively associated with negative implicit interpretations of others. 5) Negative attention biases would predict negative implicit interpretation biases. a. Attention biases toward negative attachment cues would predict negative interpretations about self. Attention biases away from positive attachment cues would be associated with negative interpretations about others. 6) Negative attention and implicit interpretation biases would mediate the association between attachment insecurity and depressive symptoms. 7) Attachment insecurity and information processing biases would mediate the association between IPV and depressive symptoms. A history of interpersonal trauma would also be positively associated with attachment insecurity and resulting information processing biases. 43 METHOD Participants Participants were 301 undergraduate women recruited through the Michigan State University human subject pool. Eligibility criteria included women who were at least 18 years old, fluent in English, and currently in a heterosexual dating relationship that constituted an attachment relationship for at least one month. A modified version of the WHOTO scale (Fraley & Davis, 1997) was used to screen whether women were in attachment dating relationships. This 6-item measure assessed the 3 basic characteristics of an attachment relationship: proximity seeking (“Is it hard for you to be away from your partner?” “Is your partner the person you most like to spend time with?”), safe haven (“Is your partner the person you want to talk to when you are worried about something?” “Is your partner the person you turn to when you are feeling upset or down?”), and secure base (“Is your partner someone you know will always be there for you?” “Is your partner the person you want to share your successes/accomplishments with?”). Consistent with prior research (Heffernan et al., 2012; Mikulincer, Shaver, Gillath, & Nitzberg, 2005), women were included in the current study if they endorsed items from 2 of the 3 attachment characteristics. Seventy-five percent of women were White/Caucasian, 11% Black/African American, 6% multiracial, 5% Asian American, and 3% Hispanic, Latina, Chicana, or Mexican American. The average relationship length was 20.10 months (SD = 16.12). Only 7% of women were cohabiting with their partners. The average age of women was 19.52 (SD = 1.24). Fourteen percent of women reported their family’s annual income was greater than $200,000, 12.6% reported between $150,000 and $200,000, 23.6% reported between $100,000 and $150,000, 30.2% reported between $50,000 and $100,000, and 19.6% reported less than $50,000. 44 Measures Intimate partner violence. The Severity of Violence against Women Scale assessed threats of violence, physical violence, and sexual abuse a woman might experience from her dating partners (SVAWS; Marshall, 1992). Respondents noted the frequency with which each of the 46 events have occurred in their dating relationships on a 4-point scale ranging from “never” to “many times.” Sample items include “threatened to hurt you,” “pushed or shoved you,” and “physically forced you to have sex.” The Psychological Maltreatment of Women Inventory (PMWI; Tolman, 1989) is a 14item measure that assessed psychological abuse. Women reported the frequency with which each of the events have occurred in their dating relationships on a 5-point scale ranging from “never” to “very frequently.” Sample items include “monitored my time and made me account for my whereabouts” and “treated me like an inferior.” Women completed both the SVAWS and PMWI twice: once regarding their current dating relationships, and once regarding all previous dating relationships. Cronbach’s alpha was high for each measure in the current sample (.88 for current SVAWS, .86 for current PMWI, .93 for prior SVAWS, and .95 for prior PMWI). Attachment style. Women’s romantic attachment style dimensions were assessed using the Experiences in Close Relationships Questionnaire (ECRQ; Brennan, Clark, & Shaver, 1998). The ECRQ is a 36-item self-report questionnaire with a 7-point scale ranging from “strongly disagree” to “strongly agree.” The measure provides 2 subscales: attachment anxiety (Cronbach’s alpha in the current sample = .92) and attachment avoidance (α = .93). Sample items from each scale include “I’m afraid I will lose my partner’s love” and “I don’t feel comfortable opening up to romantic partners,” respectively. 45 Depressive symptoms. Women’s depressive symptoms were assessed using the Center for Epidemiologic Studies Depression Scale (CES-D; Radloff, 1977). Women noted the frequency at which they experienced 20 depressive symptoms in the past week on a 4-point scale ranging from “rarely or none of the time (less than 1 day)” to “all of the time (5-7 days).” Cronbach’s alpha was high in the current study (.91). Childhood maltreatment. The Childhood Trauma Questionnaire (CTQ; Bernstein et al., 1994) was used to measure CM. Women reported the frequency with which they experienced each of the 28 items on a 5-point scale ranging from “never true” to “very often true.” The CTQ includes 5 subscales: emotional abuse, emotional neglect, sexual abuse, physical abuse, and physical neglect. The majority of scales demonstrated adequate reliability (α in the present study ranged from .63 to .93) with the exception of physical neglect (α = .18). Therefore, the physical neglect scale was dropped from analyses. Emotional abuse and neglect were summed to create an overall emotional maltreatment scale, an approach that has been used in prior CM research (e.g., Hankin, 2006; Theran & Han, 2013). Attentional biases. The modified dot-probe task (MacLeod et al., 1986) was used to assess women’s attentional biases. Women’s attentional biases toward both attachment-related and general words were assessed in order to test whether attachment style predicted attachmentspecific biases. Stimulus material for the task included 20 negative attachment-related words (e.g., separation, rejection, ignored), 20 positive attachment-related words (e.g., close, secure, support), 20 general negative words (e.g., misery, tragic, gloom), 20 general positive words (e.g., happy, peace, cheer), and 20 neutral words (furniture-related; e.g., clock, table, bowl). These stimuli have been used in prior studies (Atkinson et al., 2009; Dewitte, Koster, De Houwer, & 46 Buysse, 2007; Donaldson et al., 2007; Edelstein & Gillath, 2008). Each stimulus word was paired with a neutral word matched on word length (Hermans & De Houwer, 1994). Each trial started with a fixation cross presented for 1000 ms in the middle of the screen. Then, a word pair appeared and remained visible for 1000 ms. Words in each pair were presented one above the other. As the words disappeared, a letter probe (E or F) replaced one of the two words and remained on the screen until participants responded. Participants indicated whether the letter was an “E” or an “F” by pressing the corresponding button on the computer mouse (left or right, respectively) as quickly and accurately as possible. Participants completed 10 practice trials of neutral word pairs, followed by 200 experimental trials (each word pair was presented twice). Word pairs were presented in randomized order across trials and participants. The words and the letter probe were presented equally often at the top or bottom position of the screen, and the letter probe replaced either an emotional word or a neutral word equally. The inter-trial interval was 500 ms. Reaction times (RTs) on trials where a probe was presented at the same location as an emotional word (attachment or general positive/negative) was subtracted from RTs on trials where a probe was presented at the opposite location from the emotional word (Davis et al., 2014; Fani, Bradley-Davino, Ressler, & McClure-Tone, 2011; Mogg & Bradley, 1999. The average of these difference scores were calculated separately for positive attachment, negative attachment, general positive, and general negative trials. If individuals demonstrated an attentional bias toward emotional words, their responses would be faster when the probe follows at the location previously occupied by the emotional word. Higher scores indicated greater attentional bias toward the emotional word. 47 Only trials in which participants correctly responded to the probe were included in analyses. Trials were excluded if participants responded too quickly (less than 200 ms) or too slowly (greater than 2000 ms), which constituted less than 1% of the total trials. Lastly, data were imputed for participants who demonstrated poor accuracy (less than 75% correct trials) on the task (n = 12). Implicit interpretation bias. Women’s implicit interpretation biases were assessed using a modified version of the Scrambled Sentences Test (SST; Wenzlaff & Bates, 1998). The SST required participants to create grammatically correct, meaningful sentences out of 6 scrambled words (e.g., “winner born I am loser a”) using only 5 words. The task forced participants to create a positive or negative sentence related to the self (e.g., “I am a born winner” or “I am a born loser”) or related to others (e.g., “I tell my friends everything” or “I tell my friends nothing”). The task included a practice and test phase. The practice phase included 3 trials of neutral scrambled sentences (e.g., “shoe dog the my homework ate”) to familiarize participants with the task. The test phase included 40 trials broken into 2 blocks; each block contained 10 self and 10 other stimuli presented in a fixed order. Participants were given 150 seconds to complete each block. As in prior studies using the SST (Brockmeyer et al., 2012; Everaert et al., 2013; Everaert et al., 2014; Rude et al., 2010), a cognitive load procedure was employed in order to reduce socially desirable responding and ensure implicit biases are being measured. Participants were given a 6-digit number to remember while completing each block and asked to write the number at the bottom of their answer sheet at the end of each block. Negative interpretation bias was defined as the ratio of negatively unscrambled sentences over the total number of sentences correctly completed (Wenzlaff & Bates, 1998). This ratio was 48 calculated separately for self and other interpretation biases. The interpretation biases measured with the SST are considered implicit in that individuals are unaware that they hold such beliefs. Covariates. Symptoms of anxiety and post-traumatic stress were controlled for, given their comorbidity with depressive symptoms in women experiencing IPV (Nixon, Resick, & Nishith, 2004) as well as their association with information processing deficits (Lee & Lee, 2014; Sass et al., 2014). Post-traumatic stress symptoms were assessed using the PTSD Checklist for DSM-5 (PCL-5; Weathers et al., 2013). The PCL-5 is a 20-item self-report questionnaire that required respondents to rate how much they have been bothered by each symptom in the last month on a scale from 0 (“not at all”) to 4 (“extremely”). Cronbach’s alpha was high in the current sample (.93). Anxiety symptoms were assessed using the Patient-Reported Outcomes Measurement Information System (PROMIS) Adult Anxiety Short Form (Cella et al., 2010; Pilkonis et al., 2011). This 7-item measure required participants to rate the frequency at which they experienced each symptom during the last week on a scale ranging from 1 (“never”) to 5 (“always”). Items include a range of physical (e.g., “I felt tense”), cognitive (e.g., “I felt worried”), and affective (e.g., “I felt fearful”) symptoms. The PROMIS demonstrated high reliability in the current sample (α = .92). Relationship satisfaction was also controlled for, as it is associated with relationship attributions and depressive symptoms in non-violent couples (Fincham & Bradbury, 1992; Kouros, Papp, & Cummings, 2008). The Revised Dyadic Adjustment Scale (RDAS) was used to assess relationship satisfaction (Busby, Christensen, Crane, & Larson, 1995). The RDAS is a 14item self-report questionnaire, in which participants report the extent to which they agree with each item on a 6-point scale ranging from “never” to “all the time.” This measure has been used 49 to assess relationship satisfaction in dating relationships of college students (e.g., Riggs et al., 2011). Cronbach’s alpha in the current sample was adequate (.81). Copies of all study measures are included in Appendix A. Analyses also controlled for demographic variables, including age, socioeconomic status, and race. As 75% of the sample was Caucasian, it was not possible to examine each racial group separately. Therefore, analyses examined differences between racial minority and Caucasian women. Procedure Women completed screening questions (e.g., age, relationship status, English fluency) online and completed the full study in lab offices if they were eligible to participate. The behavioral tasks were administered before self-report measures. Women received 2 research credits for their participation in the study. Participants were provided with resources for mental health and dating violence. Data Analysis Hypothesis 1 was tested by examining the correlations between IPV and the variables of interest (CM, attachment insecurity, attentional biases, interpretation biases, and depressive symptoms). The remaining hypotheses were tested using structural equation modeling (SEM) and path analysis in MPlus (version 6; Muthén & Muthén, 2010). Latent variables were created for the following construct: IPV (2 indicators: SVAWS and PMWI), CM (3 indicators: emotional abuse/neglect, physical abuse, and sexual abuse), attachment insecurity (2 indicators: anxiety and avoidance), negative interpretation bias (2 indicators: self and other), and attention bias (2 indicators: negative and positive cues). A single indicator latent variable was used for depressive symptoms. 50 RESULTS Data Preparation and Descriptive Statistics For participants with poor dot-probe task accuracy, attention bias data were imputed using maximum likelihood estimation. Maximum likelihood estimation procedures produce the most efficient and least biased estimates when data are missing completely at random (Graham, Hofer, & MacKinnon, 1996; von Hippel, 2013). Data in the current sample were missing completely at random (MCAR statistic = 12.91, df = 7, p = n.s.), and less than 1% of the data were missing. No significant differences emerged between participants with and without missing data on any study variables. The normality of variables was examined. Kurtosis was acceptable. Several measures of CM and IPV were positively skewed (skewness for current SVAWS = 4.54, current PMWI = 2.09, past SVAWS = 4.32, CTQ physical abuse = 3.47, CTQ sexual abuse = 5.55). Each of these variables was log transformed prior to running analyses, which reduced the skewness (skewness for current SVAWS = 0.88, current PMWI = -0.02, past SVAWS = 0.99, CTQ physical abuse = 1.78, CTQ sexual abuse = 1.28). Correlations among variables and descriptive statistics are presented in Table 1. Eightynine percent of women reported at least one type of IPV in their current relationship. Specifically, 26% reported physical abuse, 7% reported sexual abuse, and 88% reported emotional abuse in their current dating relationship. Sixty-four percent of participants endorsed experiencing IPV in previous relationships (27% reported physical abuse, 17% reported sexual abuse,63% reported emotional abuse). Overall, 94% of participants reported experiencing IPV at some point in time. On the CTQ, 88% of women reported experiencing some form of CM. Twenty-seven percent reported physical abuse, 10% reported sexual abuse, and 71% reported 51 emotional abuse or neglect during childhood. On the CES-D, 28% of women endorsed depressive symptoms in the clinically significant range (Radloff, 1977). Each of the covariates was associated with study variables and therefore was examined in all analyses. In all of the following models, both anxiety and PTSD symptoms were positively associated with CM, IPV, attachment insecurity, interpretation biases, and depression. To increase statistical power, a latent variable of mental health (2 indicators: anxiety and PTSD) was used throughout analyses. All pathways remained statistically significant when covariates were added to the models. Therefore, models without covariates will be presented in the text. Models including covariates are presented in Appendix B. Before covariates were added to the models, non-significant pathways were trimmed from the model in order to increase statistical power. Age and family income were not significantly associated with any variables in the models and thus were not presented in the models. 52 Table 1 Correlations and Descriptive Statistics 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1. Current IPV (SVAWS) 2. Current IPV (PMWI) 0.66 * 3. Prior IPV (SVAWS) 0.10 0.03 4. Prior IPV (PMWI) 0.07 0.16 * 0.77 * 5. Childhood Maltreatment 0.06 0.08 0.15 * 0.19 * 6. Attachment Anxiety 0.20 * 0.31 * 0.16 * 0.24 * 0.32 * 7. Attachment Avoidance 0.25 * 0.26 * 0.15 * 0.16 * 0.33 * 0.46 * 8. Depression 0.28 * 0.33 * 0.16 * 0.19 * 0.31 * 0.47 * 0.32 * 9. Neg. Interpretation - Self 0.12 * 0.16 * 0.01 0.01 0.13 * 0.23 * 0.16 * 0.42 * 10. Neg. Interpretation - Other 0.33 * 0.30 * 0.05 0.11 0.21 * 0.33 * 0.27 * 0.45 * 0.57 * 11. Attn. Bias to Neg. Attach. 0.02 0.08 0.02 -0.03 -0.08 0.04 -0.08 -0.02 -0.06 -0.04 12. Attn. Bias to Pos. Attach. -0.03 0.00 -0.02 0.04 -0.03 0.07 -0.01 -0.02 -0.16 * -0.06 0.10 13. PTSD 0.30 * 0.37 * 0.28 * 0.32 * 0.44 * 0.44 * 0.32 * 0.68 * 0.28 * 0.44 * -0.01 0.02 14. Anxiety 0.34 * 0.38 * 0.21 * 0.21 * 0.22 * 0.42 * 0.28 * 0.64 * 0.28 * 0.36 * -0.04 0.01 0.68 * 15. Relationship Satisfaction -0.38 * -0.46 * 0.11 0.03 -0.05 -0.33 * -0.34 * -0.35 * -0.24 * -0.35 * 0.03 0.01 -0.31 * -0.29 * 16. Age 0.08 0.08 0.07 0.14 * 0.05 -0.01 0.12 * -0.01 0.03 0.03 0.00 -0.08 0.03 0.08 -0.01 17. Race 0.11 0.06 0.03 -0.03 0.19 * 0.12 * 0.09 0.12 * 0.10 0.08 -0.04 -0.07 0.07 0.08 -0.04 0.01 18. Income 0.00 0.01 0.07 0.06 -0.13 * -0.03 0.06 -0.02 -0.08 -0.08 0.01 -0.02 -0.03 0.06 0.05 -0.05 -0.20 * Minimum 0 0 0 0 0 18 18 0 0.00 0.00 -170.94 -290.12 0 0 27 18 Maximum 50 38 92 52 56 107 102 45 1.00 0.92 151.55 236.31 69 28 68 23 Mean 2.95 5.26 4.41 8.37 7.28 47.12 39.29 13.05 0.19 0.33 -1.01 -0.69 17.54 8.59 51.32 19.52 Standard Deviation 5.75 5.87 9.32 11.61 9.41 20.41 16.72 9.66 0.20 0.20 42.25 47.59 14.48 6.49 8.09 1.24 Note . * p < .05. SVAWS = Severity of Violence Against Women Scales. PMWI = Psychological Maltreatment of Women Inventory. Race 1 = Racial minority, 0 = Caucasian. 53 Hypothesis 1 Hypothesis 1 predicted that IPV would be positively associated with CM, attachment insecurity, depressive symptoms, negative interpretation biases, and attentional biases. This hypothesis was tested using bivariate correlations (see Table 1). Current IPV was positively associated with attachment anxiety and avoidance, depression, and negative interpretation of self and other. Prior IPV was positively associated with attachment anxiety and avoidance as well as depression. Childhood maltreatment was positively associated with attachment anxiety and avoidance, depression, and negative interpretations of self and other. Neither CM nor IPV were significantly associated with attentional biases. Hypothesis 2 Hypothesis 2 predicted that current IPV and a history of interpersonal trauma would each have unique effects on depressive symptoms. Model fit was poor (see Appendix B), and CM had a low factor loading (.20) on the interpersonal trauma latent variable. Therefore, the effects of current IPV, past IPV, and CM on depression were examined separately (see Figure 3). Model fit was good (RMSEA = .10, CFI = .93, SRMR = .04). Results indicate that IPV in the current relationship and CM were positively associated with depressive symptoms, while past IPV was not significantly associated with depression. Note that standard coefficients are presented in Figure 3 and all subsequent models. 54 Figure 3 Effects of CM, Past IPV, and Current IPV on Depression Hypothesis 3 Attachment insecurity was tested as a mediator between CM and IPV and depressive symptoms (see Figure 4). The model showed good fit (RMSEA = .08, CFI = .94, SRMR = .04). Notably, attachment insecurity fully mediated the effects of CM and current IPV on depression. Prior IPV was not associated with attachment insecurity or depressive symptoms. As such, prior IPV was removed from subsequent analyses. 55 Figure 4 Attachment Insecurity Mediating Effects of CM and IPV on Depression Next, separate dimensions of attachment anxiety and avoidance were examined within the model (see Figure 5). Model fit was acceptable (RMSEA = .12, CFI = .90, SRMR = .05). IPV and CM were positively associated with both attachment anxiety and avoidance. Further, attachment anxiety positively predicted depression, while attachment avoidance did not. 56 Figure 5 Attachment Anxiety and Avoidance Mediating the Effects of CM and IPV on Depression Hypothesis 4 Hypothesis 4 proposed that attachment insecurity would predict negative attention and interpretation biases. Attention biases were examined first. Overall attention biases modeled as a latent variable had poor model fit (see Appendix B, so this latent variable was not used in subsequent models. Instead, attachment insecurity was examined as a predictor of separate general and attachment-related attention biases (see Appendix B). However, attachment insecurity was not significantly associated with attentional bias toward positive or negative general or attachment-related cues. This model was then run separating attachment into dimensions of anxiety and avoidance to test the hypothesis that attachment anxiety would be associated with attentional bias toward negative attachment cues and attachment avoidance would be associated with attentional bias away from positive attachment cues (see Figure 6). The model demonstrated good fit (RMSEA = 57 .00, CFI = 1.00, SRMR = .00). Contrary to hypothesis, attachment avoidance was associated with attentional bias away from negative attachment-related stimuli. Attachment anxiety was not associated with attentional biases. Figure 6 Effects of Attachment Anxiety and Avoidance on Attentional Biases Attachment insecurity was then examined as a predictor of negative interpretation biases (see Appendix B). Findings indicated that attachment insecurity was positively associated with negative interpretation biases. The model was then examined with separate interpretation biases toward self and other (see Figure 7). Model fit was good (RMSEA = .00, CFI = 1.00, SRMR = .01). Attachment insecurity positively predicted negative interpretation biases regarding both self and others. Figure 7 Effects of Attachment Insecurity on Interpretation Biases of Self and Other Next, attachment was separated into dimensions of anxiety and avoidance to test the hypothesis that attachment anxiety would be associated with negative interpretations about self, 58 and attachment avoidance would be associated with negative interpretations about others (see Figure 8). The model had good fit (RMSEA = .00, CFI = 1.00, SRMR = .00). Consistent with hypotheses, attachment avoidance was positively associated with negative interpretations of others. Attachment anxiety was positively associated with negative interpretations of both self and others. Figure 8 Effects of Attachment Anxiety and Avoidance on Interpretation Biases of Self and Other Hypothesis 5 Hypothesis 5 posited that attention biases would predict interpretation biases. Specifically, it was hypothesized that attention bias toward negative attachment cues would predict negative interpretation bias toward self, and attention bias away from positive attachment cues would predict negative interpretation bias toward others (see Figure 9). Model fit was good (RMSEA = .00, CFI = 1.00, SRMR = .00). Contrary to hypotheses, attention biases to positive attachment cues were negatively associated with negative interpretation bias toward self. Attention bias to negative attachment cues was not significantly associated with interpretation biases. Figure 9 Effects of Attention Biases on Interpretation Biases of Self and Other 59 Hypothesis 6 Hypothesis 6 examined whether attention and interpretation biases mediated the association between attachment insecurity and depressive symptoms. First, attention and interpretation biases were examined separately. The model testing negative interpretation bias as a mediator between attachment insecurity and depressive symptoms demonstrated good fit (see Figure 10; RMSEA = .04, CFI = 1.00, SRMR = .02). Findings indicate negative interpretation bias partially mediated the relationship between attachment insecurity and depressive symptoms. Figure 10 Negative Interpretation Bias Mediating the Effect of Attachment Insecurity on Depression Negative interpretation bias was then separated into bias regarding self and other (see Figure 11). Model fit was good (RMSEA = .00, CFI = 1.00, SRMR = .01). Findings indicate that interpretation biases toward both self and other partially mediated the relationship between attachment insecurity and depressive symptoms. 60 Figure 11 Interpretation Bias of Self and Other Mediating the Effect of Attachment Insecurity on Depression The dimensions of attachment anxiety and avoidance were then examined (see Figure 12). Model fit was good (RMSEA = .00, CFI = 1.00, SRMR = .00). Findings indicated that attachment avoidance and anxiety predicted negative interpretation bias toward others, and attachment anxiety predicted negative interpretation bias toward self. Attachment anxiety had a direct effect on depressive symptoms. Negative interpretation bias toward both self and other were positively associated with depressive symptoms, suggesting they partially mediated the effects of attachment dimensions on depression. 61 Figure 12 Interpretation Bias of Self and Other Mediating the Effects of Attachment Anxiety and Avoidance on Depression Attention bias was next examined as a mediator from attachment insecurity to depressive symptoms (see Appendix B). Attention bias toward negative or positive attachment cues was not associated with attachment insecurity or depressive symptoms, and thus did not significantly mediate this association. Attention bias was therefore removed from subsequent analyses. Hypothesis 7 Hypothesis 7 examined whether attachment insecurity and subsequent interpretation biases mediated the effect of CM and IPV on depressive symptoms. The model demonstrated good fit (see Figure 13; RMSEA = .08, CFI = .94, SRMR = .05). Findings indicate that attachment insecurity and negative interpretation biases fully mediated the effects of CM and IPV on depressive symptoms. Further, IPV was positively associated negative interpretation biases. 62 Figure 13 Attachment Insecurity and Negative Interpretation Bias Mediating the Effects of CM and IPV on Depression The model was run separately with negative interpretation bias toward self and other (see Figure 14). Model fit was good (RMSEA = .07, CFI = .95, SRMR = .05). While attachment insecurity was associated with negative interpretation bias toward self and other, only negative interpretations of self were positively associated with depressive symptoms. Thus, attachment insecurity and negative interpretations about self fully mediated the effects of CM and IPV on depressive symptoms. Further, IPV was positively associated with negative interpretations about others. 63 Figure 14 Attachment Insecurity and Negative Interpretation Bias of Self and Other Mediating the Effects of CM and IPV on Depression Next, the model was run with separate dimensions of attachment anxiety and avoidance. Model fit was acceptable (see Figure 15; RMSEA = .10, CFI = .92, SRMR = .05). The results demonstrated that attachment anxiety significantly predicted negative interpretations of self and other as well as depressive symptoms. Attachment avoidance, on the other hand, did not significantly predict negative interpretation bias or depression. Further, negative interpretations of self predicted depressive symptoms, while negative interpretations of others did not. Therefore, attachment anxiety and negative interpretation bias about self partially mediated the effects of CM and IPV on depressive symptoms. 64 Figure 15 Attachment Anxiety and Avoidance and Negative Interpretation Bias of Self and Other Mediating the Effects of CM and IPV on Depression 65 DISCUSSION This study increases our understanding of mechanisms that lead to depressive symptoms for women experiencing IPV. Results indicated that insecure attachment style fully mediated the effects of CM and IPV on depressive symptoms. This relationship was largely driven by the effects of attachment anxiety, and implicit negative beliefs about self partially accounted for the relationship between attachment anxiety and depressive symptoms. Attentional bias to attachment-related cues did not mediate this relationship. Findings suggest interpersonal violence leads to negative alterations in women’s attachment styles, and that unconscious information processing partially explains how attachment insecurity leads to the development of depressive symptoms. Attachment Style Mediates the Relationship between IPV and Depression Insecure attachment style fully mediated the effects of CM and IPV on depressive symptoms, confirming hypotheses that attachment insecurity is a significant pathway through which women experiencing interpersonal trauma develop depression. Findings further highlight that insecure attachment styles lead to depressive symptoms because they guide women to process interpersonal information in maladaptive ways (Bifulco, Moran, Ball, & Lillie, 2002). Subsequent analyses revealed that attachment anxiety, in particular, and resulting implicit negative interpretations about the self mediated the relationship between IPV and depressive symptoms. This finding suggests that a history of interpersonal trauma may lead a woman to fear she will be abandoned, which reinforces her unconscious belief that she is worthless or deserving of abuse. Other research has shown that women high in attachment anxiety exhibit implicit negative beliefs about themselves even when thinking about times they felt loved or cared for (Peterson, 2014), suggesting attachment relationships are persistently associated with perceptions 66 of their unworthiness. Research also demonstrates that anxiously attached women have difficulty suppressing negative affect, memories, and thoughts (Mikulincer, Dolev, & Shaver, 2004; Mikulincer & Orbach, 1995), making it likely they are frequently focusing on this material, in effect, continuously reinforcing their negative self-perceptions. This unconscious belief about self eventually results in the development of depressive symptoms. Women with more secure attachment styles are less likely to interpret the IPV as an indication that they are a failure or incapable of maintaining relationships, ultimately protecting them from developing depression. Findings from the current research confirm that IWMs are an unconscious internalization of attachment experiences (Bartholomew, 1990) leading women to interpret unconsciously their experiences in a manner consistent with their IWMs (e.g., Dewitte & De Houwer, 2011; Maier et al., 2004). Beliefs are often suppressed to an unconscious level as a defense mechanism to deal with thoughts, memories, and emotions that seem too painful to acknowledge (Dentale, Vecchione, De Coro, & Barbaranelli, 2012). Therefore, an individual’s implicit and explicit beliefs about self and others do not always align (Dentale et al., 2012; Mikulincer, Shaver, BarOn, & Ein-Dor, 2010). While prior research has shown that explicit beliefs mediate the relationship between attachment insecurity and depressive symptoms (Elwood & Williams, 2007; Marganska et al., 2013), this is the first study to demonstrate that unconscious attachmentrelated perceptions are associated with depressive symptoms. This suggests that negative beliefs about self, even when they are out of a woman’s conscious awareness, can play a significant role in the development of depressive symptoms (Gawronski et al., 2006). Implicit beliefs may be especially important to examine as a risk factor for depression, as they probably represent the beliefs that are most painful and that have been suppressed from conscious awareness. Defense 67 mechanisms that are used to keep these beliefs at an unconscious level are not effective at protecting women from depression. Dimensions of Attachment Associated with Depression In the present research, CM and IPV were associated with both dimensions of attachment insecurity; however, only attachment anxiety mediated the relationship between interpersonal trauma and depression. While several studies have shown that both attachment anxiety and avoidance are associated with depressive symptoms (e.g., Burnette et al., 2009; Monti & Rudolph, 2014; Roelofs et al., 2010), attachment anxiety is a more robust predictor than attachment avoidance (Bekker & Croon, 2010; Li et al., 2011). This may be a function of the defense mechanisms that are common in avoidantly attached individuals. Attachment avoidance is associated with an overreliance on the self, distancing from intimate relationships, and downplaying attachment-related needs (Bartholomew, 1990; Dewitte & De Houwer, 2008). However, this overreliance on self and denial of needs for support are defense mechanisms to cope with unfulfilled intimacy needs and masks a vulnerable self-image (Mikulincer et al., 2004; Strodl & Noller, 2003). In order to deactivate the attachment system, individuals who are high in attachment avoidance ignore and suppress distressing thoughts and memories (Fraley & Brumbaugh, 2007; Leyh, Heinisch, Kungl, & Spangler, 2016; Zheng, Zhang, & Zheng, 2015). However, studies have demonstrated that this ability to suppress distressing content is attenuated under high cognitive load (Chun, Shaver, Gillath, Mathews, & Jorgensen, 2015; Edelstein & Gillath, 2008; Kohn, Rholes, & Schmeichel, 2012), suggesting the suppression is effortful and ineffective when individuals become overwhelmed. Further, Mikulincer and colleagues (2004) found that, for individuals high in attachment avoidance, high cognitive load activated implicit (but not explicit) negative perceptions of the 68 self. They describe this as the “hidden vulnerabilities” of attachment avoidance, in which suppressing negative material increases vulnerability to emotional stimuli when environmental demands take up cognitive resources, as the individual has fewer resources dedicated to suppressing painful thoughts (Mikulincer et al., 2004). High levels of stress may therefore overwhelm the defense mechanisms of avoidantly attached individuals, removing the armor used to protect against negative beliefs about self, putting them at risk for depressive symptoms during these periods. However, when stress levels are normal or low, emotional suppression likely protects against symptoms of depression. This could explain the mixed findings in the literature on the association between attachment avoidance and depressive symptoms, as this relationship may depend on the stress level or cognitive load placed on participants at the time of data collection. IPV may be one such stressor that can overwhelm the defense mechanisms of avoidantly attached individuals. However, avoidant attachment likely only results in depression in the midst of ongoing stressors or cognitive load (e.g., Chun et al., 2015; Kohn et al., 2012). Therefore, individuals high in attachment avoidance may display depressive symptoms during current IPV or following recent incidents of IPV. Women who previously experienced IPV in their current relationship, but have not experienced abuse in some time, may have had sufficient time for their defense mechanisms (i.e., emotional suppression) to be reestablished. Unfortunately, the present study did not assess whether IPV experienced in the current relationship was recent or further in the past, though this hypothesis is important to examine in future research. 69 Interpretation Biases Associated with Depression Implicit beliefs about others did not significantly mediate the relationship between attachment insecurity and depressive symptoms once covariates were added to the model. This suggests that a woman’s view of herself in relation to others is more significant than her perceptions of others in the development of depressive symptoms. For anxiously attached individuals, even memories of positive attachment experiences activate negative unconscious perceptions of self (Peterson, 2014). This indicates a hyper-focus on negative views of self, regardless of the other person’s behavior, which is likely to put women at risk for depressive symptoms. While interpretations of others are not associated with depression, they may be important for other mental health outcomes, such as anxiety or PTSD. Indeed, in the current study, negative implicit interpretations of others were significantly related to the latent variable including PTSD and anxiety. Anxiety and trauma-related disorders are related to mistrust for others and a sense of danger in one’s environment (Ali, Dunmore, Clark, & Ehlers, 2002; Christensen, Stein, & Means-Christensen, 2003; Dunmore, Clark, & Ehlers, 2001; Mohlman, Carmin, & Price, 2007), especially for female survivors of interpersonal trauma (Cox, Resnick, & Kilpatrick, 2014). Findings from the current study indicate these negative beliefs about others may be implicit, and the relationship between these explicit and implicit beliefs should be examined further in future research. Relationship between Attachment Dimensions and Interpretation Biases The types of implicit interpretation bias demonstrated in the current study differed for attachment anxiety and avoidance. Attachment anxiety was associated with negative implicit perceptions of both self and other. For anxiously attached women, they are likely to have 70 negative expectations of others (e.g., assume they will be abandoned) due to their negative perceptions of self – that they are unworthy of love and affection. These women have difficulty trusting that others will not leave them due to beliefs of their own worthiness, not beliefs about the esteem of others (Rodriguez, DiBello, Overup, & Neighbors, 2015). Attachment avoidance, on the other hand, was only associated with negative implicit beliefs about others. This is consistent with the idea that individuals who are high in attachment avoidance devalue and distance themselves from intimate relationships in order to protect themselves from possible rejection (Bartholomew, 1990). Attachment avoidance was not, however, associated with unconscious perceptions of self. While at a conscious level, we might expect attachment avoidance to be associated with positive perceptions of self, defense mechanisms may work to suppress unconscious negative views about self. Only one prior study has found negative implicit beliefs about self emerge in individuals who are high in attachment avoidance under conditions of high cognitive load (Mikulincer et al., 2004). The cognitive load procedure used by Mikulincer and colleagues placed greater cognitive demands on participants than the procedure used in the current study. They tasked participants to remember a 7-digit number and rehearse it aloud during 192 trials of the implicit interpretation task. In the current study, participants were asked to remember a 6-digit number and to recall the number after 20 trials of the implicit interpretation task. This suggests that greater cognitive load may be required in order to elicit unconscious negative beliefs about self in individuals who are high in attachment avoidance. However, the cognitive load procedure used in the current study was effective in eliciting other unconscious biases in the expected directions. 71 Other Pathways Linking Attachment Insecurity and Depression Implicit negative interpretations only partially mediated the relationship between attachment insecurity and depression symptoms. This suggests that, in addition to implicit negative interpretations, there are likely other pathways that explain the association between insecure attachment styles and depressive symptoms. Explicit negative cognitions about self and other have previously been shown to mediate this relationship (Elwood & Williams, 2007; Marganska et al., 2013). Poor affect regulation is another potential mechanism. Individuals with insecure attachment styles either rely too heavily on others (attachment anxiety) or themselves (attachment avoidance) in order to cope with stressors (Sloman et al., 2003). Research demonstrates that ineffective coping strategies (Burnette et al., 2009; Wei et al., 2006) mediate the association between attachment insecurity and depressive symptoms. Interpersonal behaviors that result from attachment insecurity may also play a role. Attachment anxiety involves a persistent fear of losing attachment security or an attachment figure (Bowlby, 1988). A result of this anxiety includes seeking proximity to the attachment figure and engaging in excessive reassurance-seeking in order to ensure security (Evraire, Ludmer, & Dozois, 2014; West et al., 1999). Research on the interpersonal theory of depression (Coyne, 1976) highlights how excessive reassurance seeking often elicits rejection, alienating others and reducing social support, reinforcing negative perceptions of self and others, and ultimately maintaining depressive symptoms (Birgenheir, Pepper, & Johns, 2010; Starr & Davila, 2008; Stewart & Harkness, 2015). Thus, interpersonal behaviors associated with IWMs may be an additional pathway to depression. Conversely, securely attached women are more likely to engage their support network in adaptive ways, increasing the social support they 72 receive, and protecting them against depression (Shurman & Rodriguez, 2006; Mburia-Mwalili, Clements-Nolle, Lee, Shadley, & Yang, 2010). Effects of Trauma on Information Processing Findings also highlight the importance of an individual’s relational context in shaping implicit beliefs, as IPV had a direct effect on negative interpretation bias. Specifically, IPV was positively associated with an unconscious negative bias regarding others. Women who are currently in an abusive relationship may implicitly believe that they cannot trust others, as their trust was betrayed by an attachment figure perpetrating abuse against them. IPV may also lead to beliefs that others are not safe and that relationships will eventually lead to hurt, whether emotional and/or physical. These women may develop fear of becoming close to others, particularly in romantic relationships. Lastly, women experiencing IPV may fear what their partner may try to do if they were to leave the relationship, as violence often escalates at this time (Campbell et al., 2003; Elisha, Idisis, Timor, & Addad, 2010; McFarlane, Campbell, & Watson, 2002). In addition, CM influenced implicit interpretations via insecure attachment style. This suggests that CM influences the interpretations a woman makes through her IWMs or mental representations of relationships. A history of CM significantly shapes an individual’s IWMs, the schemas they use to navigate and make sense of the world (Cannon et al., 2010; Riggs, 2010). When a woman is making interpretations in her current abusive relationship, she is guided by internal models of how she perceives self and others that were originally shaped by her abuse during childhood. These mental representations are a product of interpersonal trauma experienced during both childhood and adulthood. 73 The current study also demonstrates how attachment style and depressive symptoms are significantly influenced by trauma experienced in both childhood and adulthood. While experiencing CM sets a foundation for negative IWMs, IPV is likely to maintain this attachment insecurity in adulthood. Positive and negative relational experiences across the lifespan shape an individual’s attachment style, for better or for worse (Scharfe & Cole, 2006). Therefore, women who developed insecure attachment styles from CM may develop more secure attachment styles over time if they have significant positive relationships. However, women with a history of CM who then experience IPV in adulthood are likely to maintain attachment insecurity and remain at risk for the development of depression. Attention Bias as a Mediator from Attachment Style to Depression While interpretation bias emerged as a significant mediator between attachment insecurity and depression, attention bias did not. A few small associations with attention bias did emerge. First, attachment avoidance was associated with an attention bias away from negative attachment-related cues, a finding that is consistent with prior research (Edelstein & Gillath, 2008). Individuals high in avoidance tend to overvalue themselves and devalue the importance of relationships in order to protect themselves from potential harm (Hazan & Shaver, 1987). This finding indicates that this may occur by individuals avoiding cues of potential hurt, rejection, or abandonment. Second, attention bias toward positive attachment-related cues was associated with implicit negative interpretations of the self. Attention toward positive attachment cues may be related to hypervigilance to the presence of attachment figures and/or excessive reassurance seeking. This behavior may reflect unconscious insecurities and negative beliefs about whether one is worthy and loveable. It is also consistent with a study that found thinking about feeling loved or cared about elicited unconscious negative self-perceptions (Peterson, 2014). While these 74 findings may shed light on the mechanisms of insecure attachment styles, these interpretations should be considered tentative at this point, given the small size of these relationships. Attention bias did not significantly mediate the relationship between attachment insecurity and depressive symptoms. This suggests that it is largely negative implicit interpretation biases that guide the information processing of internal working models and result in depression. It is possible that attachment insecurity does not guide where individuals allocate their attention in interpersonal situations. Instead, IWMs may guide a woman to interpret most situations in a similar manner, regardless of the situation or what cues are in the environment. These negative interpretations then result in depression, as they reinforce perceptions that the woman is not good enough for love and/or that others are not reliable or trustworthy. While it is possible that attachment-related attention bias is not a significant mechanism in the development of depressive symptoms, several studies unrelated to attachment have demonstrated a relationship between negative attentional bias and depression (e.g., Dai & Feng, 2011; Ellenbogen & Schwartzman, 2009; Fritzsche et al., 2010; Joormann & Gotlib, 2007; Sears et al., 2011). Therefore, this null finding may be related to the attention bias methodology used in the current study. For example, other aspects of attentional processing, which were not assessed in the current study, may be important for the development of depression. Specifically, some research indicates that depression may not be related to the initial allocation of attention (examined in the present study), but rather is associated with difficulty disengaging attention from negative cues in the environment (De Raedt & Koster, 2010; Mogg & Bradley, 2005; Wisco, 2009). This can lead to rumination and excessive elaboration on negative content, resulting in negative interpretation biases and ultimately maintaining symptoms of depression (Blaut, Paulewicz, Szastok, 75 Prochwicz, & Koster, 2013; Koster, De Lissnyder, & De Raedt, 2013; Smith & Alloy, 2009; Wisco, 2014). Issues with the attention bias task used in the current study may also explain the findings. Reliability of the dot-probe task was poor in the current study. In recent years, the reliability of the dot-probe task in studies of anxiety disorders has been questioned. Most studies using the dot-probe task do not report on task reliability (Rodebaugh et al., 2016), and those that do show poor reliability, including internal consistency, test-retest reliability, and split-half reliability (e.g., Kappenman, Farrens, Luck, & Hajcak, 2014; Price et al., 2015; Waechter & Stolz, 2015). The majority of papers addressing reliability of the dot-probe task have focused on anxiety disorders and threat-related attention biases. Therefore, even less is known about the reliability of attention bias measures as they relate to depression and attachment style. However, one study examining attentional bias in depression using the dot-probe task reported poor split-half reliability (Zvielli, Vrijsen, Koster, & Bernstein, 2016).' Given concern over the reliability of the dot-probe task, several calls have been made to improve methodology in the study of attention bias (e.g., Kappenman et al., 2014; Rodebaugh et al., 2016; Waechter & Stolz, 2015). Specifically, researchers have turned to other attention bias paradigms, such as tracking eye movements, in order to obtain more accurate measurements (e.g., Amir, Zvielli, & Bernstein, 2016; Duque & Vazquez, 2015; Newman & Sears, 2015). This method has shown improved reliability compared to the dot-probe task, though reliability estimates are still not ideal (Rodebaugh et al., 2016). Others have called for the development of new attention bias paradigms, as well as changes in how scores from current paradigms are calculated (Waechter & Stolz, 2015). 76 Regardless of the attention bias task used, the most common score of attention bias is an average of attention bias across the duration of the task (Rodebaugh et al., 2016). This score assumes that attention bias is fixed, stable, or trait-like. However, data suggest that attentional bias may be a dynamic process that changes during the course of the task and occurs in phases or bursts (Zvielli, Bernstein, & Koster, 2015). Newly proposed methods that account for attention bias as a dynamic process and include multiple indices (e.g., average reaction time, peak reaction time, overall variability in reaction time) show greater reliability and more consistent associations with psychopathology compared with aggregate scores of attentional biases (Amir et al., 2016; Zvielli et al., 2015; Zvielli et al., 2016). Continued research is critical to understand the best measures and scoring of attentional bias in order to continue developing our understanding of how this process functions as a mechanism for depression and other forms of psychopathology. Limitations While this study examined the influence of interpersonal trauma from both childhood and adulthood, cross-sectional data was used. Given this, the directionality among variables cannot be known with certainty. For example, attachment insecurity and/or depressive symptoms resulting from CM may also make it more likely for women to enter a relationship in which IPV occurs (Godbout, Dutton, Lussier, & Sabourin, 2009). More prospective studies are needed to better understand the relationship between interpersonal violence, attachment style, and psychopathology across the lifespan. Participants in the current sample had relatively low levels of depression. As previously reported, only 28% of women reported depressive symptoms in the clinically significant range. It is therefore unclear whether findings from the present study would generalize to clinical samples 77 with more severely depressed women. It is expected that the depressive mechanisms observed in this study would apply to women with severe levels of depression, but it is important for future research to examine this hypothesis. Directions for Future Research Despite this limitation, this study provides important implications for future research. This is the first study to demonstrate that unconscious beliefs about self partially explain why attachment insecurity results in depressive symptoms for women who have experienced interpersonal trauma. While explicit interpretations are easier to assess given they are in an individual’s conscious awareness, current findings highlight the importance of assessing implicit interpretations in understanding risk for depression. Unconscious beliefs may be especially important to examine as they are so difficult to acknowledge that they have been suppressed from conscious awareness. Given the important role of implicit biases, research should continue to examine the role that implicit beliefs play in the maintenance of mental health symptoms for women experiencing IPV. Unconscious beliefs about self and others may also play in a role in women’s selection of romantic partners. Future research should examine whether these underlying attachment-related beliefs influence a woman’s risk for experiencing IPV. Negative implicit beliefs about self only partially mediated the relationship between attachment anxiety and depression, suggesting other mechanisms may also be operating. As previously discussed, emotion regulation, excessive reassurance seeking, and explicit negative beliefs are additional pathways that may explain this relationship. To date, these pathways have only been examined separately (e.g., Evriare et al., 2014; Marganska et al., 2013; Sloman et al., 2003). Future research should examine multiple pathways simultaneously to develop a more comprehensive understanding of how coping strategies, implicit and explicit cognitions, and 78 behavior relate to one another. For example, negative unconscious beliefs about self may result in excessive reassurance seeking behaviors, which may reinforce negative perceptions of self and others. Attachment insecurity and implicit negative interpretations remained significant predictors of depression when controlling for symptoms of anxiety and PTSD. However, these mechanisms were also significantly associated with anxiety and PTSD, suggesting these pathways may not be entirely unique to depression, though the association with depression was stronger than with anxiety and PTSD. This is consistent with prior research that shows anxiety and PTSD symptoms are associated with insecure attachment styles and negative self-cognitions (Arikan, Stopa, Carnelley, & Karl, 2016; Beckers, Roepke, Michael, Renneberg, & Knaevelsrud, 2016; Jinyao et al., 2012; Lindgren, Kaysen, Werntz, Gasser, & Teachman, 2013; Marganska et al., 2013; Ogle, Rubin, & Siegler, 2016; Sasaki, Iwanaga, Kanai, & Seiwa, 2010; Woodhouse, Ayers, & Field, 2015). There is significant comorbidity between symptoms of depression, anxiety, and PTSD, including in survivors of interpersonal violence (Nixon et al., 2004; O’Campo, Woods, Jones, Dienemann, & Campbell, 2006; Pigeon, Cerulli, Richards, Perlis, & Caine, 2011). It would be beneficial for future studies to examine how dimensions of attachment and interpretation biases relate to patterns of comorbid symptoms in trauma survivors. Findings highlight the effects of both childhood and adult interpersonal trauma on adult depressive symptoms. It may therefore be erroneous to assume that mental health problems observed in adults who have recently experienced IPV are solely due to recent events. Instead, it is important to measure both childhood and adulthood traumatic events in order to understand the unique contributions of both. As not all individuals respond similarly to the same types of 79 traumatic events, it is important for researchers to consider individual traits or prior experiences that may influence a psychological reaction to present-day trauma. Clinical Implications This study also highlights important areas for clinical intervention in women who have experienced interpersonal violence. For example, it is critical for therapists to address unconscious attachment representations or interpersonal schemas resulting from trauma in both childhood and adulthood. Common beliefs in women who experienced interpersonal trauma may include seeing the self as worthless or not good enough, prioritizing the needs of others, lack of perceived agency or control, or viewing others as inherently harmful or abusive (Atmaca & Gencoz, 2016; Taskale & Soygut, 2017; Valdez & Lilly, 2015; Valdez et al., 2013). Women with negative unconscious beliefs may present in treatment as not understanding why they are depressed, as they may be unaware or in denial of these negative implicit views. One goal of treatment may be for the patient to gain awareness of these implicit beliefs, as well as how her trauma history contributed to these perceptions. Negative implicit beliefs may be addressed using psychodynamic or cognitive-behavioral interventions, treatments that both address implicit beliefs using disparate techniques. For example, insight-oriented strategies can help women bring these unconscious beliefs into conscious awareness and develop insight into how these beliefs developed and how they may be perpetuating their depressive symptoms (Busch, 2017; Levenson, 2008). From a cognitivebehavioral perspective, cognitive restructuring can be used to modify negative automatic thoughts. It would then be beneficial to identify negative core beliefs (often implicit beliefs) about self that may be underlying such automatic thoughts and contributing to the maintenance of depressive symptoms (Beck, 2011; Greenberger & Padesky, 1995). 80 This study also demonstrates potential for integrating insight-oriented and cognitivebehavioral perspectives. There are similarities between these theoretical perspectives, as internal working models and cognitive schemas are conceptualized in similar ways. This common overlap in conceptualization allows one to “translate” ideas from both theoretical orientations. Further, clinicians can draw from the unique aspects of relational and cognitive-behavioral treatments in order to develop a more comprehensive approach to working with trauma survivors. Specifically, therapists working from a relational perspective could integrate a conceptualization of IWMs as guiding how a woman processes interpersonal information. This could include helping a patient gain insight regarding information they may be more likely to attend to in their environments and how this may affect the way they unconsciously interpret the situation. For example, a woman experiencing IPV may focus on signs of neglect or rejection in her relationship and unconsciously interpret these cues to mean she is worthless or deserving of the abuse. This information processing would then confirm her already negative IWMs and contribute to symptoms of depression. Therapists working from a cognitive-behavioral perspective can include greater use of the therapeutic relationship as an intervention, as this is an important tool for helping individuals develop more secure attachment styles over time. A patient’s attachment representations are often projected onto and reenacted within the therapeutic dyad, making them accessible to address in the here and now (Blizard & Bluhm, 1994). For women with histories of interpersonal trauma, this may include expectations that the therapist will eventually harm or abandon them or beliefs that the needs of the therapist are more important than the needs of the patient. From a cognitive-behavioral perspective, interpersonal patterns arising in the therapeutic relationship can be used to identify automatic thoughts and underlying core beliefs (e.g., I am not good enough). 81 From a psychodynamic perspective, the empathy and acceptance that is experienced in the therapeutic relationship may facilitate the individual establishing a secure base with the therapist (Mikulincer, Shaver, & Berant, 2013; Pallini et al., 2017). This positive relationship allows the patient to internalize positive representations of self and others that can eventually counter negative working models that developed from prior trauma (Bettmann, 2006; Levendosky et al., 2012). For example, a woman who experienced CM or IPV may learn that becoming close to others can be safe or that her own needs are important. In other words, the therapeutic relationship can serve as a corrective relational experience which can ultimately reduce depressive symptoms. Another use of the therapeutic relationship as an intervention tool for insecure attachment is for the therapist to adjust his or her interpersonal “distance” throughout treatment (Daly & Mallinckrodt, 2009). It can be beneficial to initially meet a patient where they are regarding relational distance (e.g., close for anxious attachment, more distant for avoidant attachment) in order to increase patient comfort and increase the likelihood they will engage in treatment. Over the course of treatment, the therapist can begin to adjust their distance in order to allow for the client to create change (Thomas, Hopwood, Woody, Ethier, & Sadler, 2014). With a patient high in attachment anxiety, the therapist may distance to encourage greater autonomy and control for the patient. This distance allows the patient to process feelings of frustration related to abandonment and develop greater comfort with independence. With a patient high in attachment avoidance, the therapist can move “closer” to the patient in order to help her develop greater comfort with closeness and emotional intimacy. 82 Conclusions In summary, the current study is the first to identify unconscious attachment representations as a mechanism by which women experiencing IPV develop depressive symptoms. This indicates that self-perceptions can affect mental health for trauma survivors even when these beliefs are outside of an individual’s conscious awareness or are not easily observed by others. A history of trauma in childhood also contributed to greater attachment insecurity and subsequent interpretation bias and depressive symptoms, highlighting the potency of CM on mental health in adulthood. This finding demonstrates how information processing is guided by beliefs that initially developed during childhood and have been shaped over time. These implicit attachment representations, a product of experiences across the lifespan, can contribute to or maintain symptoms of depression. Future research should continue to examine pathways by which interpersonal violence results in mental health problems in order to improve intervention and prevention efforts. 83 APPENDICES 84 Appendix A Copy of Study Measures Severity of Violence against Women Scale You and your current (or previous) partner have probably experienced anger or conflict. Below is a list of behaviors he may have done. Describe how often he has done each behavior to you (not including horseplay or joking around) by choosing a number from the following scale. 0 = never, 1 = once, 2 = a few times, 3 = many times 1. Hit or kicked a wall, door, or furniture 2. Threw, smashed, or broke an object 3. Driven dangerously with you in the car 4. Threw an object at you 5. Shook a finger at you 6. Made threatening gestures or faces at you 7. Shook a fist at you 8. Acted like a bully toward you 9. Destroyed something belonging to you 10. Threatened to harm or damage things you care about 11. Threatened to destroy property 12. Threatened someone you care about 13. Threatened to hurt you 14. Threatened to kill himself 15. Threatened you with a club-like object 16. Threatened you with a knife or gun 17. Threatened to kill you 18. Threatened you with a weapon 19. Acted like he wanted to kill you 20. Held you down, pinning you in place 21. Pushed or shoved you 22. Shook or roughly handled you 23. Grabbed you suddenly or forcefully 24. Scratched you 25. Pulled your hair 26. Twisted your arm 27. Spanked you 28. Bit you 29. Slapped you with the palm of his hand 30. Slapped you with the back of his hand 31. Slapped you around your face and head 32. Kicked you 33. Hit you with an object 34. Stomped on you 35. Choked you 36. Punched you 85 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 37. Burned you with something 38. Used a club-like object on you 39. Beat you up 40. Used a knife or gun on you 41. Demanded sex whether you wanted to or not 42. Made you have oral sex against your will 43. Made you have sexual intercourse against your will 44. Physically forced you to have sex 45. Made you have anal sex against your will 46. Used an object on you in a sexual way 86 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 Psychological Maltreatment of Women Inventory This questionnaire asks about actions you may have experienced in your current (or previous) relationship with your partner. Answer each item as carefully as you can by circling a number beside each one as follows: 0 = Never 1 = Rarely 2 = Occasionally 3 = Frequently 4 = Very Frequently 1 2 3 4 5 6 7 8 9 10 11 12 13 14 My partner called me names. My partner swore at me. My partner yelled and screamed at me. My partner treated me like an inferior. My partner told me my feelings were irrational or crazy. My partner blamed me for his problems. My partner tried to make me feel crazy. My partner monitored my time and made me account for my whereabouts. My partner used our money or made important financial decisions without talking to me about it. My partner was jealous or suspicious of my friends. My partner accused me of having an affair. My partner interfered in my relationships with other family members. My partner tried to keep me from doing things to help myself. My partner restricted my use of the telephone. 87 0 0 0 0 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 0 1 2 3 4 0 0 1 1 2 2 3 3 4 4 0 1 2 3 4 0 1 2 3 4 0 0 1 1 2 2 3 3 4 4 0 1 2 3 4 0 1 2 3 4 0 1 2 3 4 Experiences in Close Relationships Questionnaire The statements below concern how you feel in your current dating relationship. Respond to each statement by selecting a number to indicate how much you agree or disagree with the statement. 1 Strongly Disagree 2 3 4 5 88 6 7 Strongly Agree _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ 1. I'm afraid that I will lose my partner's love. 2. I often worry that my partner will not want to stay with me. 3. I often worry that my partner doesn't really love me. 4. I worry that romantic partners won’t care about me as much as I care about them. 5. I often wish that my partner's feelings for me were as strong as my feelings for him or her. 6. I worry a lot about my relationships. 7. When my partner is out of sight, I worry that he or she might become interested in someone else. 8. When I show my feelings for romantic partners, I'm afraid they will not feel the same about me. 9. I rarely worry about my partner leaving me. 10. My romantic partner makes me doubt myself. 11. I do not often worry about being abandoned. 12. I find that my partner(s) don't want to get as close as I would like. 13. Sometimes romantic partners change their feelings about me for no apparent reason. 14. My desire to be very close sometimes scares people away. 15. I'm afraid that once a romantic partner gets to know me, he or she won't like who I really am. 16. It makes me mad that I don't get the affection and support I need from my partner. 17. I worry that I won't measure up to other people. 18. My partner only seems to notice me when I’m angry. 19. I prefer not to show a partner how I feel deep down. 20. I feel comfortable sharing my private thoughts and feelings with my partner. 21. I find it difficult to allow myself to depend on romantic partners. 22. I am very comfortable being close to romantic partners. 23. I don't feel comfortable opening up to romantic partners. 24. I prefer not to be too close to romantic partners. 25. I get uncomfortable when a romantic partner wants to be very close. 26. I find it relatively easy to get close to my partner. 27. It's not difficult for me to get close to my partner. 28. I usually discuss my problems and concerns with my partner. 29. It helps to turn to my romantic partner in times of need. 30. I tell my partner just about everything. 31. I talk things over with my partner. 32. I am nervous when partners get too close to me. 33. I feel comfortable depending on romantic partners. 34. I find it easy to depend on romantic partners. 35. It's easy for me to be affectionate with my partner. 36. My partner really understands me and my needs. 89 Center for Epidemiologic Studies Depression Scale Below is a list of some of the ways you may have felt or behaved. Please indicate how often you have felt this way during the past week: 0 = Rarely or none of the time (less than 1 day) 1 = Some or a little of the time (1-2 days) 2 = Occasionally or a moderate amount of time (3-4 days) 3 = All of the time (5-7 days) _____ 1. I was bothered by things that usually don’t bother me. _____ 2. I did not feel like eating; my appetite was poor. _____ 3. I felt that I could not shake off the blues even with help from my family. _____ 4. I felt that I was just as good as other people. _____ 5. I had trouble keeping my mind on what I was doing. _____ 6. I felt depressed. _____ 7. I felt that everything I did was an effort. _____ 8. I felt hopeful about the future. _____ 9. I thought my life had been a failure. _____ 10. I felt fearful. _____ 11. My sleep was restless. _____ 12. I was happy. _____ 13. I talked less than usual. _____ 14. I felt lonely. _____ 15. People were unfriendly. _____ 16. I enjoyed life. _____ 17. I had crying spells. _____ 18. I felt sad. _____ 19. I felt that people disliked me. _____ 20. I could not “get going.” 90 Childhood Trauma Questionnaire These questions ask about some of your experiences growing up as a child and a teenager. Although these questions are of a personal nature, please try to answer as honestly as you can. For each question, select the response that best describes how you feel. 0 = Never True, 1 = Rarely True, 2 = Sometimes True, 3 = Often True, 4 = Very Often True WHEN I WAS GROWING UP… 1. I didn’t have enough to eat. 2. I knew that there was someone to take care of me and protect me. 3. People in my family called me things like “stupid,” “lazy,” or “ugly.” 4. My parent(s) were too drunk or high to take care of the family. 5. There was someone in my family who helped me feel that I was important or special. 6. I had to wear dirty clothes. 7. I felt loved. 8. I thought that my parent(s) wished I had never been born. 9. I got hit so hard by someone in my family that I had to see a doctor or go to the hospital. 10. There was nothing I wanted to change about my family. 11. People in my family hit me so hard that it left me with bruises or marks. 12. I was punished with a belt, a board, a cord, or some other hard object. 13. People in my family looked out for each other. 14. People in my family said hurtful or insulting things to me. 15. I believe that I was physically abused. 16. I had the perfect childhood. 17. I got hit or beaten so badly that it was noticed by someone like a teacher, neighbor, or doctor. 18. I felt that someone in my family hated me. 19. People in my family felt close to each other. 20. Someone tried to touch me in a sexual way, or tried to make me touch them. 21. Someone threatened to hurt me or tell lies about me unless I did something sexual with them. 22. I had the best family in the world. 23. Someone tried to make me do sexual things or watch sexual things. 24. Someone molested me. 91 0 0 1 1 2 2 3 3 4 4 0 1 2 3 4 0 1 2 3 4 0 1 2 3 4 0 0 0 1 1 1 2 2 2 3 3 3 4 4 4 0 1 2 3 4 0 1 2 3 4 0 1 2 3 4 0 1 2 3 4 0 0 1 1 2 2 3 3 4 4 0 0 0 1 1 1 2 2 2 3 3 3 4 4 4 0 0 0 1 1 1 2 2 2 3 3 3 4 4 4 0 1 2 3 4 0 0 1 1 2 2 3 3 4 4 0 1 2 3 4 25. I believe that I was emotionally abused. 26. There was someone to take me to the doctor if I needed it. 27. I believe that I was sexually abused. 28. My family was a source of strength and support. 92 0 0 1 1 2 2 3 3 4 4 0 0 1 1 2 2 3 3 4 4 PTSD Checklist for DSM-5 Instructions: Below is a list of problems that people sometimes have in response to very stressful experiences. Please read each problem carefully and then select one of the numbers to indicate how much you have been bothered by that problem in the past month. 0 = Not at all, 1 = A little bit, 2 = Moderately, 3 = Quite a bit, 4 = Extremely In the past month, how much were you bothered by: _____ 1. Repeated, disturbing, and unwanted memories of the stressful experience(s)? _____ 2. Repeated, disturbing dreams of the stressful experience(s)? _____ 3. Suddenly feeling or acting as if the stressful experience(s) were actually happening again (as if you were actually back there reliving it)? _____ 4. Feeling very upset when something reminded you of the stressful experience(s)? _____ 5. Having strong physical reactions when something reminded you of the stressful experience(s) (for example, heart pounding, trouble breathing, sweating)? _____ 6. Avoiding memories, thoughts, or feelings related to the stressful experience(s)? _____ 7. Avoiding external reminders of the stressful experience(s) (for example, people, places, conversations, activities, objects, or situations)? _____ 8. Trouble remembering important parts of the stressful experience(s)? _____ 9. Having strong negative beliefs about yourself, other people, or the world (for example, having thoughts such as: I am bad, there is something seriously wrong with me, no one can be trusted, the world is completely dangerous)? _____ 10. Blaming yourself or someone else for the stressful experience(s) or what happened after it? _____ 11. Having strong negative feelings such as fear, horror, anger, guilt, or shame? _____ 12. Loss of interest in activities that you used to enjoy? _____ 13. Feeling distant or cut off from other people? _____ 14. Trouble experiencing positive feelings (for example, being unable to feel happiness or have loving feelings for people close to you)? _____ 15. Irritable behavior, angry outbursts, or acting aggressively? _____ 16. Taking too many risks or doing things that could cause you harm? _____ 17. Being “super alert” or watchful or on guard? _____ 18. Feeling jumpy or easily startled? _____ 19. Having difficulty concentrating? _____ 20. Trouble falling or staying asleep? 93 Patient-Reported Outcomes Measurement Information System Adult Anxiety Short Form The questions below ask about how often you have been bothered by a list of symptoms during the past 7 days. Please respond to each item using the following scale: 1 = Never, 2 = Rarely, 3 = Sometimes, 4 = Often, 5 = Always In the past SEVEN DAYS… 1. I felt fearful. 2. I felt anxious. 3. I felt worried. 4. I found it hard to focus on anything other than my anxiety. 5. I felt nervous. 6. I felt uneasy. 7. I felt tense. 94 Revised Dyadic Adjustment Scale Most persons have disagreements in their relationships. Please indicate below the approximate extent of agreement or disagreement between you and your partner for each item below. 0 = Always disagree 1 = Almost always disagree _____ _____ _____ _____ _____ _____ 2 = Frequently disagree 3 = Occasionally agree 4 = Almost always agree 5 = Always agree 1. Religious matters 2. Demonstrations of affection 3. Making major decisions 4. Sex relations 5. Conventionality (correct or proper behavior) 6. Career decisions 0 = All the time 1 = Most of the time 2 = More often than not 3 = Occasionally 4 = Rarely 5 = Never _____ 7. How often do you discuss or have you considered separation or terminating your relationship? _____ 8. How often do you and your partner quarrel or argue? _____ 9. Do you ever regret dating your partner? _____ 10. How often do you and your partner “get on each other’s nerves”? 0 = Never 1 = Rarely 2 = Occasionally 3 = Almost every day 4 = Every day _____ 11. Do you and your partner engage in outside interests together? 0 = Never 1 = Less than once a month 2 = Once or twice a month 3 = Once or twice a week _____ 12. Have a stimulating exchange of ideas _____ 13. Work together on a project _____ 14. Calmly discuss something 95 4 = Once a day 5 = More often Appendix B Additional Statistical Models Figure 16 Effects of IPV and Interpersonal Trauma History on Depression Note. RMSEA = .14, CFI = .92, SRMR = .06 96 Figure 17 Effects of CM and IPV on Depression with Covariates Note. RMSEA = .08, CFI = .94, SRMR = .06 97 Figure 18 Attachment Insecurity Mediating Effects of CM and IPV on Depression with Covariates Note. RMSEA = .07, CFI = .94, SRMR = .05 98 Figure 19 Attachment Anxiety and Avoidance Mediating Effects of CM and IPV on Depression with Covariates Note. RMSEA = .08, CFI = .94, SRMR = .05 Figure 20 Attentional Biases Note. RMSEA = .00, CFI = .47, SRMR = .00 99 Figure 21 Effects of Attachment Insecurity on Attentional Biases Note. RMSEA = .03, CFI = .99, SRMR = .02 Figure 22 Effects of Attachment Anxiety and Avoidance on Attentional Biases with Covariates Note. RMSEA = .00, CFI = 1.00, SRMR = .02 100 Figure 23 Effects of Attachment Insecurity on Interpretation Biases Note. RMSEA = .00, CFI = 1.00, SRMR = .01 Figure 24 Effects of Attachment Insecurity on Interpretation Biases with Covariates Note. RMSEA = .00, CFI = 1.00, SRMR = .01 101 Figure 25 Effects of Attachment Insecurity on Interpretation Biases of Self and Other with Covariates Note. RMSEA = .04, CFI = .99, SRMR = .03 Figure 26 Effects of Attachment Anxiety and Avoidance on Interpretation Biases of Self and Other with Covariates Note. RMSEA = .09, CFI = .97, SRMR = .05 102 Figure 27 Effects of Attention Biases on Interpretation Biases of Self and Other with Covariates Note. RMSEA = .00, CFI = 1.00, SRMR = .00 Figure 28 Negative Interpretation Bias Mediating the Effect of Attachment Insecurity on Depression with Covariates Note. RMSEA = .06, CFI = .99, SRMR = .03 103 Figure 29 Interpretation Bias of Self and Other Mediating the Effect of Attachment Insecurity on Depression with Covariates Note. RMSEA = .04, CFI = 1.00, SRMR = .03 104 Figure 30 Interpretation Bias of Self and Other Mediating the Effects of Attachment Anxiety and Avoidance on Depression with Covariates Note. RMSEA = .08, CFI = .98, SRMR = .05 Figure 31 Attention Bias Mediating the Effect of Attachment Insecurity on Depression Note. RMSEA = .00, CFI = 1.00, SRMR = .01 105 Figure 32 Attachment Insecurity and Negative Interpretation Bias Mediating the Effects of CM and IPV on Depression with Covariates Note. RMSEA = .07, CFI = .94, SRMR = .05 106 Figure 33 Attachment Insecurity and Negative Interpretation Bias of Self Mediating the Effects of CM and IPV on Depression with Covariates Note. 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