Highlights•Positive feelings reinforce prosocial behavior.•Positive feelings, such as
happiness, predict prosocial behavior.•Engaging in prosocial behavior leads to positive …

Highlights•When people move together in synchrony, they later behave more
prosocially.•This effect influences prosociality early, even in young infants.•Synchrony can …

This chapter begins with a historical overview of theoretical perspectives and research on
parenting or childrearing, then moves to a discussion of five issues central for the …

In this review, I propose a new framework for the psychological origins of human
cooperation that harnesses evolutionary theories about the two major problems posed by …

To explain the evolutionary emergence of uniquely human skills and motivations for
cooperation, Tomasello et al.(2012, in Current Anthropology 53 (6): 673–92) proposed the …

From a young age, children understand and enforce moral norms, which are aimed at
preserving the rights and welfare of others. Children also distinguish moral norms from other …

Prosocial behavior is versatile, multifaceted, and complex. This special section seeks to
advance coherent, integrative understanding of prosocial development by addressing this …

Children are motivated to help others from an early age. However, little is known about the
internal biological mechanisms underlying their motivation to help. Here, we compiled data …

The overall pattern of vocabulary development is relatively similar across children learning
different languages. However, there are considerable differences in the words known to …

The phenomenon of commitment is a cornerstone of human social life. Commitments make
individuals' behavior predictable, thereby facilitating the planning and coordination of joint …