Running head: SOCIAL PSYCHOLOGICAL INTERVENTIONS FOR WELL-BEING 1 Positive Activity Interventions to Enhance Well-Being: Looking Through a Social Psychological Lens Julia Revord, Lisa C. Walsh, & Sonja Lyubomirsky University of California, Riverside (USA) REF: Revord, J., Walsh, L. C., & Lyubomirsky, S. (2018). Positive activity interventions to enhance well-being: Looking through a social psychological lens. In J. E. Maddux (Ed.), Social psychological foundations of well-being and life satisfaction (pp. 451-472). New York: Routledge.