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Treatment effects for common outcomes of child sexual abuse: a current meta-analysis
- Authors:
- TRASK Emily V., WALSH Kate, DILILLO David
- Journal article citation:
- Aggression and Violent Behavior, 16(1), January 2011, pp.6-19.
- Publisher:
- Elsevier
This meta-analysis examines the literature to quantify the effectiveness of psychosocial treatments at reducing the most frequent outcomes of child sexual abuse. A literature search identified a total of 35 articles or dissertations written in English, focusing on youth under the age of 18, and evaluating the effectiveness of treatments for the following negative outcomes of sexual abuse: post traumatic stress disorder (PTSD) symptoms, externalising problems, and internalising problems. Analyses of these publications revealed that treatment was effective in reducing many negative outcome of child sexual abuse. The effect sizes averaged across all outcomes were medium. The potential moderating effects of treatment (e.g., modality, duration, and inclusion of caregiver) and participant (e.g., age, gender, and ethnicity) characteristics were also analysed. The results indicated that longer interventions were associated with greater treatment gains. Group and individual treatments were equally effective. Studies with older children and more males were shown to have larger treatment effects. The findings shed new light on treatment effectiveness and provide information regarding the conditions under which treatment may be most effective.