Peer Inclusion in Interventions for Children with ADHD: A Systematic Review and Meta-Analysis

Figure 3

Within intervention group pre-post meta-analysis. Notes. Hedges’ interpreted as per Cohen’s d conventions: ≤0.2 = negligible difference, 0.2–0.49 = small, 0.5–0.79 = moderate, and ≥ 0.8 = large.