Table 2 Primary meta-analyses of the effect of peer-led interventions on leaders’ outcomes.
Variable | k | Number of effect sizes | d | Lower 95% CI | Upper 95% CI | \({I}^{2}\_2\) | \({I}^{2}\_3\) | Overall I2 | \(\tau \_2\) | \(\tau \_3\) |
|---|---|---|---|---|---|---|---|---|---|---|
Literacy | 5 | 12 | 0.39 | 0.15 | 0.63 | 0.90 | 0.00 | 0.90 | 0.15 | 0.00 |
Attitudes toward bullying | 3 | 9 | 1.02 | 0.46 | 1.57 | 0.02 | 0.85 | 0.86 | 0.01 | 0.23 |
Self-esteem | 4 | 5 | 0.18 | 0.07 | 0.30 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
