Comprehensive meta-analysis of resilience interventions

•There is no current consensus on operational definitions of resilience.•Research continues to explore ways to enhance and/or promote resilience.•Meta-analysis sought to substantiate evidence of resilience interventions.•Findings lend some support for the overall efficacy of resilience interventions.•Results should be cautiously interpreted alongside theoretical relevance.•Variabilities in findings reflect ambiguities in resilience operationalization.