Abstract
Evidence for effective treatment for behavioral problems continues to grow, yet evidence about the effective mechanisms underlying those interventions has lagged behind. The Stop Now and Plan (SNAP) program is a multicomponent intervention for boys between 6 and 11. This study tested putative treatment mechanisms using data from 252 boys in a randomized controlled trial of SNAP versus treatment as usual. SNAP includes a 3 month group treatment period followed by individualized intervention, which persisted through the 15 month study period. Measures were administered in four waves: at baseline and at 3, 9 and 15 months after baseline. A hierarchical linear modeling strategy was used. SNAP was associated with improved problem-solving skills, prosocial behavior, emotion regulation skills, and reduced parental stress. Prosocial behavior, emotion regulation skills and reduced parental stress partially mediated improvements in child aggression. Improved emotion regulation skills partially mediated treatment-related child anxious-depressed outcomes. Improvements in parenting behaviors did not differ between treatment conditions. The results suggest that independent processes may drive affective and behavioral outcomes, with some specificity regarding the mechanisms related to differing treatment outcomes.
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Notes
Our a prior selection of outcomes was driven by an intention to test mechanisms potentially related to specific outcomes. However, it may have been of interest to consider broader constructs as outcomes. We therefore ran models testing the CBCL Externalizing and Internalizing scales as outcomes. The Externalizing scale includes Aggression and Rule Breaking behavior. The pattern of results – that is, which mechanisms were significantly predictive and which were not - was the same for Externalizing as was observed for Aggression as an outcome. Prediction to the Internalizing scale (which includes Somatic Complaints, Withdrawn-Depressed and Anxious-Depressed subscales) did vary from the results described above for the Anxious-Depressed outcome. Specifically, emotion regulation skills did not predict changes in Internalizing scores. Details on these analyses are available upon request from the first author.
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Acknowledgments
This work was supported by a grant (07-365-01) from the Department of Health of the Commonwealth of Pennsylvania to Drs. Loeber and Burke, and by a grant to Dr. Burke (MH 074148) from the National Institute of Mental Health.
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Drs. Burke and Loeber have no conflicts of interest to report.
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Burke, J.D., Loeber, R. Mechanisms of Behavioral and Affective Treatment Outcomes in a Cognitive Behavioral Intervention for Boys. J Abnorm Child Psychol 44, 179–189 (2016). https://doi.org/10.1007/s10802-015-9975-0
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DOI: https://doi.org/10.1007/s10802-015-9975-0