Effects of Classroom-Based Psychoeducational Interventions:

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Key Points

The study aims to evaluate the effectiveness of classroom-based psychoeducational interventions through a meta-analysis of various research findings.
Conducted a multi-level meta-analysis of 105 eligible studies on psychoeducational interventions
Calculated weighted mean effect sizes for various outcomes pre- and post-intervention
Performed follow-up assessments to measure long-term effects
Analyzed various psychological metrics, including self-esteem and social skills
Intervention groups significantly outperformed control groups both immediately after the intervention (g=0.23) and at follow-up (g=0.21)
Positive effects were noted on self-esteem (g=0.17), emotional problems (g=0.15), and social skills (g=0.30)
No significant differences were found between intervention and control groups on pre-intervention measures (g=-0.03)
Post hoc power analysis indicated many studies lacked sufficient statistical power

Meta-analysis demonstrates significant positive effects of psychoeducational interventions in classrooms, suggesting beneficial outcomes.

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Keiichi Kobayashi (2026) studied this question.

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