Fig. 2
Presence of risk of generalizability biases in pilot and larger-scale efficacy/effectiveness pairs. Note: Red circle (
) indicates bias present, green circle (
) bias not present, orange circle (
) bias identified in pilot or well-powered but not the other. E-E = Efficacy/Effectiveness. a Sample size represents setting level (e.g., school, childcare) – child-level sample size not reported