The coding of time in growth curve models has important implications for the interpretation of the resulting model that are sometimes not transparent. The authors develop a general framework that includes predictors of growth curve components to illustrate how parameter estimates and their standard errors are exactly determined as a function of receding time in growth curve models. Linear and quadratic growth model examples are provided, and the interpretation of estimates given a particular coding of time is illustrated. How and why the precision and statistical power of predictors of lower order growth curve components changes over time is illustrated and discussed. Recommendations include coding time to produce readily interpretable estimates and graphing lower order effects across time with appropriate confidence intervals to help illustrate and understand the growth process.
Findings support the importance of everyday EF problems in ASD and ADHD as predictors of comorbid psychopathology and as crucial intervention targets for potential prevention and mitigation of comorbid symptoms.
Self-system therapy (SST) is a new therapy based on regulatory focus theory (E. T. Higgins, 1997) for depressed individuals unable to pursue promotion goals effectively. The authors conducted a randomized trial comparing SST with cognitive therapy (CT) in a sample of 45 patients with a range of depressive symptoms to test 2 hypotheses: that SST would be more efficacious for depressed individuals characterized by inadequate socialization toward pursuing promotion goals and that SST would lead to greater reduction in dysphoric responses to priming of promotion goals. There was no overall difference in efficacy between treatments, but patients whose socialization history lacked an emphasis on promotion goals showed significantly greater improvement with SST. In addition, SST patients showed a greater reduction in dysphoric responses to promotion goal priming than did CT patients. The results illustrate the value of a theory-based translational approach to treatment design and selection.
There is increasing evidence that with the onset of adolescence, girls experience higher rates of depression than boys. However, a comprehensive understanding of the risk factors contributing to this emerging gender difference has yet to be attained. Previous studies indicate that both self-discrepancy, the perception that one is failing to attain an important personal goal, and ruminative coping, a tendency to passively and repetitively focus on one's failure and the causes and consequences of that failure, contribute to depression and that adolescent girls are more likely to manifest each than adolescent boys. In this translational study we tested the hypothesis that, whereas both actual:ideal discrepancy and ruminative coping style would independently predict depression in adolescent girls, the combination of high levels of actual:ideal discrepancy and ruminative coping would predict more severe depressive symptoms. Analyses of cross-sectional data in a sample of 223 girls ranging from 7th through 12th grades revealed a significant main effect for ruminative coping style and a trend for actual:ideal discrepancy, as well as the predicted interaction effect. We discuss the implications of this integrative psychosocial model for the etiology, treatment, and prevention of depression in adolescent girls. Depression is one of the most devastating forms of psychological illness, and its prevalence rates follow a distinctive developmental trajectory. Major depressive disorder~MDD! is common in the general population, with a lifetime prevalence rate of 16.2% and a past-year prevalence rate of 6.6%~Kessler et al., 2003!. Although previously it was assumed that childhood and adolescence were relatively free of psychological difficulties~Douvan & Adelson, 1966; Offer, 1969!, a recent study found the lifetime prevalence rate of MDD among adolescents to be 15.3%, with a 30-day prevalence rate of 5.8%~Kessler & Walters, 1998!.
Regulatory focus theory (RFT; Higgins, 1997) predicts that individual differences in the strength of promotion (ideal) and prevention (ought) orientations emerge from patterns of parent/child interactions that emphasize making good things happen versus keeping bad things from happening. This article examines the development of individual differences in the strength of children's promotion and prevention goals and presents selected findings from three studies exploring the origins of regulatory focus. We found a three-factor structure for parenting behaviors that differentiated between the presence/absence of positive outcomes versus the presence/absence of negative outcomes in two different data sets and validated that factor structure by examining its associations with maternal temperament. In turn, the parenting factors predicted individual differences in children's orientations to ideal and ought guides, and those associations were moderated by individual differences in child temperament.
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