Fig. 3
From: School educational models and child mental health among K-12 students: a scoping review
Harvest plots for overview of curriculum-based intervention studies, grouped by different types of curriculum-based interventions. The height of the bars corresponded to the sample sizes on a logarithmic scale of each study. Red bars represented positive effects of interventions on student mental health outcomes, grey bars represented non-significant effects on student mental health outcomes, and black bars represented negative effects on student mental health outcomes