This dissertation aims to elucidate the relationships between chronic illness, depression, and developmental assets among adolescents with chronic illness and co-morbid depression. Chapter One describes the current state of evidence on the intersections between chronic illness, depression, and adolescent development, and introduces Positive Youth Development theory and the Developmental Assets Framework. Chapter Two describes an integrative review synthesizing findings from 11 cohort studies examining relationships between depression or depressive symptoms and chronic illness-related disease control, self-management behaviors, illness-related morbidity, and quality of life among adolescents. Chapter Three describes a cross-sectional study comparing the number and types of developmental assets between adolescents with differing health statuses and examining relationships between assets and co-morbid depression using data from the 2016 National Survey of Children’s Health. Chapter Four describes a qualitative study exploring ways that developmental assets were discussed by 16 adolescents and young adults who lived with chronic illness and co-morbid depression during adolescence and uploaded videos to YouTube, a public video-sharing platform. Chapter Five summarizes key findings of this dissertation, outlines strengths and limitations, and discusses implications for future research, policy, and practice.

Discriminant analysis was conducted to examine the empirical use of psychosocial variables and stressful life events scales in classifying depressed and non-depressed American Indian adolescents using a standardized criterion measure. Subjects attending a Bureau of Indian Affair boarding school were administered a mental health screening survey and were interviewed within four weeks using the Diagnostic Interview Schedule f or Children-Revised (DISC-R). Three models of discriminant analysis were used to determine the overall and incremental variance contributed by the stressful life events scales and the related psychosocial variables (i.e., gender, perceived social support from family and from friends, self-esteem, and depressive symptoms) to the criterion variable of depression. Results indicated that none of the models contributed significantly to the overall and unique variance in the classification of the groups. It is recommended that psychosocial correlates other than those that had been identified in this study (e.g. substance abuse, suicide behaviors, etc.) need to be examined and considered in future examination of American Indian adolescent depression.

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Examines the prevalence of depression among delinquent adolescent boys placed in a residential placement facility located in Yucaipa, California and managed by Trinity Children and Family Services, a non-profit organization. The Beck Depression Inventory was administered to 54 randomly selected boys (ages 12-18) of different ethnic backgrounds. Independent variables included length of time in the group home, the level of support from the family and the number of visitations the client received from family or other support systems. Results indicated that (1) White adolescents experience the highest levels of depression, (2) there was no difference in regards to depression in relation to age, and (3) that time in placement and the amount of family involvement had an impact on the level of depression of the adolescent.

Thesis (MEdPsych (Educational Psychology))--Stellenbosch University, 2008. / A depressive mood disorder has been for the past decade the mood disorder with the highest prevalence in the general population. Independent studies done in South Africa indicated a prevalence of depression between 13% to 53%. These results do not concur with official published statistics indicating a prevalence of depression in 16% of the general population over a lifetime. Depression is probably under diagnosed by general practitioners and only a small proportion of adolescents with depression are recognised and even less receive any support for their depression. The aim of this study was to explore the following: the prevalence of symptoms of depression in grade 10 learners in schools in Stellenbosch, gender differences regarding the prevalence of depression symptoms in grade 10 learners, the prevalence of specific symptoms of depression and to explore similarities between symptoms of depression and the adolescent developmental phase. The study was conducted by means of the Beck Depression Inventory. The survey was conducted with 201 grade 10 learners with the necessary permission. The results regarding the prevalence of depression symptoms and gender differences regarding the prevalence of depression correlate with international statistics. This study found that more respondents indicated one or more symptom of depression at the given time than indicated by the literature. It was also found that some adolescent developmental tasks are similar to some symptoms of depression. Further research in South Africa regarding the prevalence of symptoms of depression was recommended.

The main objective of this thesis was to examine gender differences in co-rumination using observational, experimental, and diary methods. At the start of this project there were no existing studies which had assessed co-rumination in this way and this thesis intended to be an exploratory investigation of co-rumination using these methods. Rose (2002) defined co-rumination as ‘excessively discussing problems within a dyadic relationship’ (p. 1830) and used it to explain why females have closer, more supportive, friendships (Rose & Rudolph, 2006) but are also more susceptible to depression (Weissman & Klerman, 1977). Her findings suggest that co-rumination has maladaptive outcomes for females (increased depression and anxiety) but not for males. The six studies within this thesis aimed to investigate the outcomes of co-rumination using adult (Studies 1- 4), adolescent (Studies 5 and 6) and child samples (Study 6). The first three studies within this thesis assessed co-rumination using dyadic analyses of observational and experimental data. The results of these studies indicated that scores from the co-rumination questionnaire (CRQ) and the co-rumination coding scheme (CRCS) were associated with affect, but that the co-rumination manipulation used in Study 3 had no effect on levels of affect. CRCS was mainly predictive of depressive outcomes whereas CRQ was predictive of both depressive and anxious outcomes. The research indicated that CRQ scores positively correlated across the two dyad members. However, each dyad member’s score showed different associations with affect, depending on whether the dyad member was presenting his or her own problem for discussion. The diary studies indicated that co-rumination was best assessed using daily items which were more predictive of changes in positive and negative affect than the CRQ. It was clear from the studies within this thesis that co-rumination did not only have negative outcomes for females, and that future research should examine the outcomes of co-ruminative discussions for males and females. It was suggested that future researchers should conduct similar experimental research to Study 3 but that they should include multiple co-ruminative interactions and more immediate assessments of co-rumination in the days following a co-ruminative interaction.

Experimentally naive rats show variance in their locomotor reactivity to novelty, some displaying higher (HR) while others displaying lower (LR) reactivity, associated with vulnerability to stress. LRHR phenotype is proposed as an antecedent to the development of stress hyper responsiveness. Results presented here show emergence of antidepressive-like behavior following peripubertal-juvenile exposure to chronic variable physical (CVP) and chronic variable social stress (CVS) in HR rats, and depressive-like behavior following CVP in the LRs. The antidepressive-like behavior in HR rats was accompanied by increased levels of acetylated Histone3 (acH3) and acetylated Histone4 (acH4) at the hippocampal brain-derived neurotrophic factor (BDNF) P2 and P4 promoters respectively. This effect may mediate increased mossy fibre (MF) terminal field size, particularly the suprapyramidal mossy fibre projection volume (SP-MF), in the HR animals following both stress regimens. These findings show that chronic variable stress during adolescence induces individual differences in molecular, neuromorphological and behavioral parameters between LRs and HRs, which provides further evidence that individual differences in stress responsiveness is an important factor in resistance or vulnerability to stress-induced depression and/or anxiety. / by Ozge Oztan. / Thesis (Ph.D.)--Florida Atlantic University, 2013. / Includes bibliography. / Mode of access: World Wide Web. / System requirements: Adobe Reader.

Thesis (Ph.D.)--Mississippi State University. Department of Counseling, Educational Psychology and Special Education / Title from title screen. Includes bibliographical references.

Depression is a significant mental health concern with a pivotal increase of incidence during adolescence, specifically for females. Currently, cognitive behavioral therapy (CBT) is the most widely tested treatment for depression. Yet, it is unclear how CBT functions to produce effective outcomes. Adult studies have shown that behavioral components of CBT are more effective than cognitive components in reducing depression at acute treatment. Both behavioral and cognitive components have been shown to be effective in preventing relapse of depressive symptoms at follow up. Yet less is understood about how treatment components work together to provide positive outcomes, particularly for depressed youth. The overall goal of this study was to examine which parts of treatment (cognitive and/or behavioral) aid in symptom reduction and to determine if treatment outcome is mediated by cognitive change. Forty two pre-adolescent girls, aged 9-14, participated in a 20-session manualized group CBT program. The first portion of treatment (session 1-9) focused the behavioral intervention and the second portion of treatment (sessions 11-19) focused on cognitive interventions while continuing to reinforce behavioral interventions when necessary. Self report measures and diagnostic interviews were completed at pre-treatment and post-treatment. Using multiple regression analyses, the findings of this study supported the role of behavioral and cognitive interventions in reducing depression. Behavioral interventions were found to significantly reduce depression at post-treatment. Additionally, cognitive interventions were found to play a small, but significant role in post-treatment outcome, with preliminary evidence that cognitive interventions could also be linked to treatment outcome one year later. Treatment specificity could not be tested, as the cognitive change of depressed girls was not directly influenced by the behavior and cognitive interventions. Exploratory analysis demonstrated the significant role of behavioral techniques such as behavior activation, positive reinforcement, homework review, and skills training in predicting outcome of treatment. Implications of the results, limitations, and recommendations for future research are provided. / text