“…Ten years later, as today, the paper is still a milestone that researchers would refer to when they study altruism and gift in a donation. For example, Huang et al (2021) followed their study to further investigate laypeople's belief of the influence of thank-you gifts on charitable giving, which confirmed that laypeople believe thankyou gifts would raise charitable donations and one mediation of the effect is anticipated positive emotion; another study found that thank you gifts increase (decrease) the weight that donors place on self-interested (prosocial) motives, leading to changes in donation patterns as the gift may activate mindsets or norms that emphasize self-interested motives instead of more prosocial, other-regarding motives (Chao and Fisher, 2022).…”