Why Do We Underestimate the Impact of Small Kindnesses?

When considering buying a stranger a hot chocolate, a person may first worry that the drink is inexpensive, unnecessary or awkward. The recipient notices more than the drink's material value. They may also register the warmth conveyed by someone choosing to be kind. Giver and recipient are evaluating the same act from different positions.

Across a series of field and laboratory studies, Kumar and Epley asked people performing kind acts to predict how positively recipients would feel, then asked the recipients about their actual reactions. In situations ranging from giving away hot chocolate in a park to offering a laboratory gift, givers on average underestimated recipients' positive responses. Further experiments suggested that givers focused more on the value of the act itself, while recipients' evaluations were more responsive to the warmth it conveyed.

This does not mean that every gift is welcome, nor that good intentions remove boundaries. Uninvited intervention, gifts carrying pressure to reciprocate, and differences in power can all change the experience. The studies compare average predictions and reports in particular settings; they cannot promise the same effect for every kind act. The more measured conclusion is that when an action is low-burden, respectful and free of hidden demands, our concern about whether we performed it well enough may cause us to underestimate how much the other person values being noticed.

https://doi.org/10.1037/xge0001271
https://osf.io/preprints/psyarxiv/3yast_v1