The Impact of Treatment Components Suggested by the Psychological Flexibility Model: A Meta-Analysis of Laboratory-Based Component Studies

► Meta-analysis of lab-based component studies related to psychological flexibility. ► Significant positive effect size for each component compared to inactive conditions. ► Larger effect size for theoretically specified outcomes. ► Significant positive effect sizes relative to theoretically distinct interventions. ► Larger effect size for conditions with experiential methods than rationale-alone.