Jose Porrata

TL;DR: Perceptions of national character appear to be unfounded stereotypes that may serve the function of maintaining a national identity.

TL;DR: With advancing age, sex differences found in adolescents increasingly converge toward adult patterns with respect to both direction and magnitude; girls display sex-typed personality traits at an earlier age than boys; and the emergence of sex differences was similar across cultures.

TL;DR: Aggregate scores were generalizable across gender, age, and relationship groups and showed convergence with culture-level scores from previous studies of self-reports and observer ratings of adults, but they were unrelated to national character stereotypes.

TL;DR: This article examined properties of culture-level personality traits in ratings of targets (N=5,109) ages 12 to 17 in 24 cultures and found that these traits were generalizable across gender, age, and relationship groups.