Physical Activity. Meta-CART Analysis of Synergistic Ef- fects 4.1 Instruction on how to perform behavior had the highest pooled effect size (g¯ = 0.42, 95% CI 0.32–0.53). Interventions delivered in community or home settings but not in- cluding 4.1 Instruction on how to perform behavior had a pooled effect size in the middle of the other subgroups (g¯ = 0.21, 95% CI 0.02 − 0.40). All of the interventions delivered in community or home settings applied either both 4.1 Instruction on how to perform behavior and 8.1 Behavioral practice /rehearsal or neither, none included just one. In the FE subgroup meta-analysis, subgroups were significantly different from each other (between-subgroups Q-statistic = 43.18, p < .001). Figure 5.6 displays this visually. Figure 5.6: Results from fixed effects meta-CART meta-analysis for physical activity K =
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