Experiential Interventions for Externalizing Behavior: A Multilevel Meta-Analysis of Adolescents and Adults.

Int J Offender Ther Comp CriminolMay 6, 2026 (epub)
Clinical ResearchPsychiatry

Larissa M Hoogsteder, Maartje W Kapteijns, Hester L van der Veld et al.

✦ AI-curated · Sources linked

In 30 seconds

This meta-analysis evaluated the effectiveness of experiential interventions in reducing externalizing behaviors among adolescents and adults, analyzing 39 studies with 2,323 participants. Results indicated a significant medium effect size of g = 0.66 for these interventions compared to controls. Notably, integrating cognitive-behavioral therapy (CBT) components enhanced outcomes, with a larger effect size of g = 0.83.

Key findings

  • Experiential interventions showed a medium effect size of g = 0.66 compared to control conditions.
  • Integrating CBT with experiential interventions resulted in a larger effect size of g = 0.83.
  • Responsive CBT demonstrated the strongest effect size of g = 1.04.
  • Treatment fidelity and active system involvement significantly moderated outcomes.

Why it matters

Understanding the effectiveness of experiential interventions combined with CBT is crucial for clinicians working with adolescents and adults exhibiting externalizing behaviors. These findings can inform treatment strategies aimed at reducing aggression and rule-breaking, ultimately improving patient outcomes.

Source

PubMed · PMID 42091123

Published in Int J Offender Ther Comp Criminol. This summary was written by xxcode from the publication's abstract and metadata. It is not peer reviewed and is not a substitute for the original article. For clinical decisions, review the original publication.

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