Reference:

Curry, O. S., Rowland, L. A., Van Lissa, C. J., Zlotowitz, S., McAlaney, J., & Whitehouse, H. (2018). Happy to help? A systematic review and meta-analysis of the effects of performing acts of kindness on the well-being of the actor. Journal of Experimental Social Psychology, 76, 320-329.

Midlarsky, E. (1991). Helping as coping. In M. S. Clark (Ed.), Prosocial behavior (pp. 238–264). Thousand Oaks, CA: Sage.

Rowland, L., & Curry, O. S. (2019). A range of kindness activities boost happiness. The Journal of social psychology, 159(3), 340-343.

Hui, B. P., Ng, J. C., Berzaghi, E., Cunningham-Amos, L. A., & Kogan, A. (2020). Rewards of kindness? A meta-analysis of the link between prosociality and well-being. Psychological Bulletin, 146(12), 1084.

Regan, A., Margolis, S., Ozer, D. J., Schwitzgebel, E., & Lyubomirsky, S. (2023). What is unique about kindness? Exploring the proximal experience of prosocial acts relative to other positive behaviors. Affective science, 4(1), 92-100.

Costanza, R. (1998). The Origins of Virtue: Human Instincts and the Evolution of Cooperation. BioScience, 48(4), 318-321.

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