Ecological psychology has boomed from a rare form of psychology to a flourishing field, including psychologists, sociologists, and economists. We review the development of the field from early studies to more recent advances in subsistence theories, environmental challenges, human environments,...

Collectivistic cultures have been characterized as having harmonious, cooperative ingroup relationships. Yet we find evidence that people in collectivistic cultures are more vigilant toward ingroup members, mindful of their possible unethical intentions. Study 1 found that Chinese participants...