Abstract. Even young toddlers coordinate actions with a partner. But coordinating choices or decisions is more challenging, particularly in multi-party gro

Objectives Caregiving during early childhood emerges from a dynamic interplay between maternal and allomaternal contributions. This study aimed to challenge polarized portrayals of hunter-gatherer c...

<!DOCTYPE html> openESM: Open Experience Sampling Method Database A database of open experience sampling datasets openESM is a database of harmonized openly available experience sampling datasets.…

Friendships are integral to human health and well being, yet researchers know very little about how people make friends. A new study investigated what people prioritize for new friendships.

YouTube video by Evolutionary Psychology (The Podcast)

YouTube video by Evolutionary Psychology (The Podcast)

Why is lower social class often associated with greater empathy? We test whether less wealthy people experience more challenges, thereby motivating them to help...

Friendship significantly influences our happiness and health, and in ancestral contexts, the support offered by friends would likely have delivered fi…

Developmental perspectives are crucial to harnessing the human potential for altruism. We synthesise and highlight recent research on the motivations underlying children’s (costly) prosocial behaviour. The order in which children develop intrinsic, extrinsic, and strategic motivations to benefit others has implications for efforts to positively impact young people’s lives.

Cooperation often relies on people's ability to discern in whom to invest their limited resources. One solution to this partner choice dilemma entails…

Declaring that you are right or wrong is not merely a factual matter, but often a deeply social decision about when to own up to the limits of your kn…

Scientific Data - A Collectivism Index for Investigating Cultural Variation in China across Regions and Time