Sports have been frequently explored in cross-cultural studies, yet scant attention has been paid to female participation. Here we coded the occurrence of sports and related activities for males and females in the societies comprising the Human Relations Area Files (HRAF) probability sample. We then tested several predictions derived from evolutionary theory. As predicted, in all 50 societies with documented sports, there were more male sports than female sports; hunting and combat sports were almost exclusively male activities; and the sex difference in sports was greater in patriarchal than in nonpatriarchal societies. These results show that a robust sex difference in direct physical competition co-occurs with meaningful variation in its expression.
The motivated social cognition (MSC) model of conservative ideology posits there are two core facets of conservative political ideology—endorsement of hierarchies and resistance to change. The present research tested the validity and reliability of a scale developed to measure resistance to change. Five studies support the validity, reliability, and factor structure of the Resistance to Change-Beliefs (RC-B) scale. Scores on the RC-B scale correlated with social and cognitive motivations as well as self-identified conservatism. RC-B also predicted more conservative stances on political issues and factor analyses supported the predicted internal structure of the RC-B scale. This provides the field with a validated instrument that avoids problems inherent in previous measures, can be used to test predictions from the MSC model, and has potential applications beyond political psychology.
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