Research Library
MindSweep Research Library
Core Foundation Studies
Pennebaker & Beall (1986) - The Original Study
50% reduction in healthcare visits
Confronting a traumatic event: Toward an understanding of inhibition and disease
Frattaroli (2006) - Meta-Analysis of 146 Studies
Effect size r = .075 across populations
Key moderators: 3+ sessions, 15+ minutes, specific instructions
Stronger effects in high-stress populations
Physical health benefits longer-lasting than psychological
Effect size .15 across populations