One study supporting the ______________ theory of leadership suggested that leaders were more likely to score high on extraversion, openness to experiences, and conscientiousness than were non-leaders

Wives tend to outlive their husbands because women tend to live longer and men tend to be older than the women they marry.

a. true b. false

Thorndike conducted research on ______________

A) operant conditioning B) classical conditioning C) shaping D) higher-order conditioning