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In comparison with their peers, adolescents with ADHD are at increased risk for developing depression, with prevalence estimates for comorbid depression ranging from 14% to 20%. Youth with comorbid ADHD and depression are at greater risk for multiple negative outcomes compared to youth with ADHD alone, including suspension from school, failing a grade, or difficulties in peer relationships. Identifying risk factors for depression among adolescents with ADHD is important for facilitating early identification and treatment efforts. Research completed to date indicates that interpersonal impairment and emotion regulation may mediate the relationship between ADHD and depression. However, a comprehensive longitudinal model including both interpersonal impairment and emotion regulation has not been tested. The aim of the current study was to evaluate whether the indirect pathway from ADHD to depression through interpersonal impairment is moderated by emotion regulation in a longitudinal study of young adolescents with ADHD (N = 239; M age at follow-up = 12.30, SD = .92). Data were collected at three time points over 18 months. Parents completed ratings of externalizing symptoms (ADHD and Oppositional Defiant Disorder, [ODD]), parent-child relationship problems, and peer relationship problems. Adolescents rated their depressive symptoms and emotion regulation problems. Moderated mediation models as outlined by Preacher, Rucker, and Hayes (2007) were used to test whether the indirect effects of externalizing symptoms on depression through parent-child relationship stress and peer relationship problems are moderated by emotion regulation. Controlling for baseline levels of depression, results suggest that these pathways vary as a function of emotion regulation, such that the paths from externalizing symptoms to depression are significantly stronger among adolescents with high levels of emotion regulation problems. In addition, an exploratory analysis of the associations between multiple aspects of emotion regulation problems and depression revealed that access to emotion regulation strategies was the only unique predictor of later depression among adolescents with ADHD.

Research on self-control suggests that people do not do as well at self-control after they have already exerted self-control on something else. Despite the obvious importance of self-control in drinking behavior, few studies have examined alcohol consumption as an outcome measure in the context of self-control depletion and the potential role of cognitive processes in the self-control to drinking relationship remains largely unexplored. Although it is widely agreed that alcohol expectancies play an important role in one's decision to drink, no study has examined the role of expectancies in self-control's influence on drinking. This study addresses this important gap in the research by testing whether positive expectancies for alcohol influence the relationship between self-control depletion and placebo alcohol consumption in the laboratory. Results offer support for the resource model of self-control depletion in the context of drinking decisions; participants in the depleted self-control condition drank more placebo alcohol despite being reminded to be ready for an upcoming memory task. Hypotheses of conditional and indirect effects consistent with a process model of self-control were not supported. Using nonparametric analytic techniques, patterns in the data emerged suggestive of conditional indirect effects, though they appear to be very small in scale. Findings support the further exploration of the primary hypotheses, given the consideration of current limitations.

To better understand the impact of task conflict in work teams, an incremental, multi-level model is developed, which distinguishes individual-level perceptions of conflict from more overt group-level manifestations of conflict. Task conflict is conceptualized as being detrimental for teams only to the extent that it positively predicts relationship conflict. The positive relationship between task conflict and relationship conflict is referred to as conflict spillover. The composition of team members’ underlying beliefs concerning the functional value of task conflict (referred to as conflict values) is examined as a moderator of conflict spillover. It is proposed that perceptual conflict spillover is smaller among team members who hold positive conflict values, and that manifest conflict spillover is smaller among teams composed primarily of members who hold positive conflict values. Hypotheses were tested in a longitudinal study of 59 student teams (294 individuals). At the team level, the diversity of team members’ conflict values was found to moderate manifest conflict spillover, such that the association between task and relationship conflict was significantly positive for teams composed of members who held more diverse conflict values. For teams composed of members who had less diverse conflict values, there was no significant association between manifest task conflict and manifest relationship conflict. As a result of these significant differences in conflict spillover, manifest task conflict indirectly and negatively predicted the task performance and viability of teams containing more diverse conflict values, but did not significantly impact the effectiveness of teams with less diverse conflict values. At the individual level, the significant positive association between perceived task conflict and perceived relationship conflict was not moderated by individual conflict values. However, because of this perceptual conflict spillover, task conflict perceptions also indirectly and negatively predicted team members’ personal willingness to continue working in the team. Results of this dissertation highlight important differences in the ways that conflict operates at the individual and group levels. Having identified the diversity of conflict values as a moderator of manifest conflict spillover, this dissertation outlines areas for further academic and practical knowledge development concerning the prevention of dysfunctional team dynamics.

To better understand the impact of task conflict in work teams, an incremental, multi-level model is developed, which distinguishes individual-level perceptions of conflict from more overt group-level manifestations of conflict. Task conflict is conceptualized as being detrimental for teams only to the extent that it positively predicts relationship conflict. The positive relationship between task conflict and relationship conflict is referred to as conflict spillover. The composition of team members’ underlying beliefs concerning the functional value of task conflict (referred to as conflict values) is examined as a moderator of conflict spillover. It is proposed that perceptual conflict spillover is smaller among team members who hold positive conflict values, and that manifest conflict spillover is smaller among teams composed primarily of members who hold positive conflict values. Hypotheses were tested in a longitudinal study of 59 student teams (294 individuals). At the team level, the diversity of team members’ conflict values was found to moderate manifest conflict spillover, such that the association between task and relationship conflict was significantly positive for teams composed of members who held more diverse conflict values. For teams composed of members who had less diverse conflict values, there was no significant association between manifest task conflict and manifest relationship conflict. As a result of these significant differences in conflict spillover, manifest task conflict indirectly and negatively predicted the task performance and viability of teams containing more diverse conflict values, but did not significantly impact the effectiveness of teams with less diverse conflict values. At the individual level, the significant positive association between perceived task conflict and perceived relationship conflict was not moderated by individual conflict values. However, because of this perceptual conflict spillover, task conflict perceptions also indirectly and negatively predicted team members’ personal willingness to continue working in the team. Results of this dissertation highlight important differences in the ways that conflict operates at the individual and group levels. Having identified the diversity of conflict values as a moderator of manifest conflict spillover, this dissertation outlines areas for further academic and practical knowledge development concerning the prevention of dysfunctional team dynamics.

Religious coping and spiritual well-being were found to be culturally important resilience factors for African American women suffering from abuse and depressive symptoms. This investigation aimed to investigate whether: (1) spiritual well-being and its two components of existential and religious well-being mediate the Intimate Partner Violence (IPV)-Depressive Symptoms (DS) link; (2) positive and negative religious coping moderate the IPV-DS association; and (3) the mediating effect of spiritual well-being in the IPV-DS link is moderated by level of religious coping (i.e., moderated mediation). The study utilized data from 208 low income, suicidal and abused African American women, ages 18-55. Only the existential component of spiritual well-being was found to fully mediate the IPV-DS link. This indirect effect weakened at higher levels of negative religious coping. As predicted, higher levels of negative religious coping were associated with higher levels of depressive symptoms. Surprisingly, higher levels of negative religious coping were also associated with increases in existential well-being which, in turn, led to decrease in depressive symptoms. The findings underscore the importance of addressing existential well-being and religious coping in clinical interventions and in training for mental health professionals. Clinical and research implications of these findings are discussed and future directions recommended.

There are elevated rates of childhood maltreatment and posttraumatic stress disorder (PTSD) symptomatology in low-income, abused, suicidal African American women. This investigation aimed to: (1) identify the components of childhood maltreatment in this sample; (2) ascertain whether or not the constructs of childhood maltreatment and PTSD symptomatology were associated in this sample; and (3) examine if maladaptive coping mediated the childhood maltreatment-PTSD symptomatology link and if the magnitude of the mediated relationship was influenced by level of social support (i.e., moderated mediation). Specific types of childhood maltreatment generally loaded onto three components according to a principal components analysis (PCA) of the Childhood Trauma Questionnaire: physical-emotional abuse, sexual-emotional abuse, and neglect. Women who endorsed experiencing higher levels of two of the childhood maltreatment components (physical-emotional abuse and sexual-emotional abuse) reported higher levels of current PTSD symptomatology. However, contrary to the study hypotheses, current level of maladaptive coping did not mediate the relationship between child maltreatment and current PTSD symptomatology. Further, the addition of social support did not change this finding. Results are discussed, clinical implications are explored, and recommendations for future studies are offered.

abstract: Scholarly interest in racial socialization is growing, but researchers' understanding of how and when racial socialization relates to subjective well-being is underdeveloped, particularly for multiracial populations. The present study investigated the possibility that the relationship of racial socialization to subjective well-being is mediated by racial identification and that this mediation depends on physical racial ambiguity. Specifically, the proposed study used a moderated mediation model to examine whether the indirect relation of egalitarian socialization to subjective well-being through racial identification is conditional on physical racial ambiguity among 313 multiracial individuals. Results suggested egalitarian socialization was positively correlated with subjective well-being. The results provided no support for the moderated mediation hypothesis. The present study examined the complex interaction between racial socialization, racial identification, physical racial ambiguity, and subjective well-being among multiracial individuals. Despite receiving no support for the moderated mediation hypothesis, this research helped to further explicate a distinct pathway through which egalitarian socialization impacts well-being through racial identification for multiracial individuals independent of physical racial ambiguity. / Dissertation/Thesis / Doctoral Dissertation Counseling Psychology 2016

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Made available in DSpace on 2014-10-09T12:24:14Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:06:58Z (GMT). No. of bitstreams: 1 01274.pdf: 6822170 bytes, checksum: 76fb84bfa82403bd4c192a27a3ca181b (MD5) / Dissertacao (Mestrado) / IEA/D / Escola Politecnica, Universidade de Sao Paulo - POLI/USP