Research has demonstrated that the Big Five traits predict behavior equally well in both collectivist and individualistic cultures

The experiment of Lester and Gorzalka (1988) is significant because it constitutes the first strong evidence of a Coolidge effect in

A) females. B) humans. C) nonhumans. D) hamsters. E) rats.

With minor variations, the average age of menarche in most developed countries is ____

a. 9 to 10 years c. 12 to 13 years b. 10 to 11 years d. 13 to 14 years