Fig 1.
Flowchart diagram for articles screening and selection.
Fig 2.
Forest plots of effect size estimates for peer influence effects: (a) avSim, (b) totSim, (c) avAlt.
Table 1.
Effect size estimates for peer influence effects.
Fig 3.
Forest plot of effect size estimates for peer selection.
Table 2.
Effect size estimates for peer selection effect (simX).