Self-presentation is a fundamental aspect of social life, with myriad critical outcomes dependent on others’ impressions. We identify and offer the first empirical investigation of a prevalent, yet understudied self-presentation strategy: humblebragging. Across seven studies including a...

Humans use subtle sources of information — like nonverbal behavior — to determine whether to act cooperatively or antagonistically when they negotiate. Handshakes are particularly consequential nonverbal gestures in negotiations because people feel comfortable initiating negotiations with...

We document a common type of deception in interpersonal contexts: paltering, the active use of truthful statements to convey a mistaken impression. Paltering is distinct from lies of commission in that it involves only truthful statements. It is distinct from lies of omission in that it involves...

Long-established rituals in pre-existing cultural groups have been linked to the cultural evolution of group cooperation. Here we test the prediction that novel rituals – arbitrary hand and body gestures enacted in a stereotypical and repeated fashion – can impact intergroup bias in newly...

Humans use subtle sources of information — like nonverbal behavior — to determine whether to act cooperatively or antagonistically when they negotiate. Handshakes are particularly consequential nonverbal gestures in negotiations because people feel comfortable initiating negotiations with...