Also known as: prosocial behavior, altruism, community service, volunteering
Strongest in Sample size (95). Held back by Recency (49).
Solid mix of RCTs with some methodological gaps.
Good cross-study replication, some imprecision.
Tens of thousands of participants pooled across studies.
Studies agree on direction of effect.
Evidence base skews older; field may have moved on.
No per-outcome numbers yet for this one. Each finding's direction and strength is shown in the research below.
Areas where research points to a consistent direction of effect. The strength of evidence is graded; the size of the effect is not quantified.
Regular volunteering is associated with lower mortality, reduced depression, and greater life satisfaction. The 'helper's high' involves endorphin release and activation of reward circuits. As little as 2 hours per week shows measurable benefits.
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Cohort studies showed volunteering had favourable effects on wellbeing compared to non-volunteering.
Informal helping demonstrates a stronger link to well-being benefits compared to formal helping.
Volunteering is associated with additional protective effects against cognitive impairment in older adults.
Broad Big Five personality traits show modest but robust correlations with both volunteering and charitable giving behaviors.
Health partnerships between UK and Low or Lower-Middle Income Countries provide management skills benefits to UK volunteers.