(1) Background: Why and when images of watching eyes encourage prosocial behavior is still subject to discussion, and two recent meta-analyses show no effect of watching eyes on generosity. This study aims to discern the effect of watching eyes of different valence on two separate aspects of...

The color red has been found to influence behavior and performance in a wide range of settings. We introduce the color red in a Prisoner’s Dilemma by performing a series of oneshot and repeated Bertrand duopoly laboratory games. We hypothesize a positive relationship between the color red and...

Shame is often considered a moral emotion with action tendencies shaped by natural selection to elicit socially beneficial behavior. Yet, unlike guilt or other social emotions, prior experimental studies do not indicate that incidental shame boosts prosocial behavior. Based on the affect as...

The color red has been found to influence behavior and performance in a wide range of settings. We introduce the color red in a Prisoner’s Dilemma by performing a series of oneshot and repeated Bertrand duopoly laboratory games. We hypothesize a positive relationship between the color red and...

Understanding the roots of prosocial behavior is an interdisciplinary research endeavor that has generated an abundance of empirical data across many disciplines. This review integrates research findings from different fields into a theoretical framework that can account for when prosocial...