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Pre-post effect sizes for engagement in 16 types of campaign activities across forgiveness, mental health, and flourishing outcomes (Monteria, Colombia. 2021). Note. The estimates and confidence intervals for each number of campaign activities are derived from the subset of participants who did exactly that number of activities. The effect size for forgiveness is the average effect size over those of six forgiveness outcomes. The vertical dashed line is drawn at 0 effect size.
