3. In their study, Grant, Gino, and Hofmann (2011) examined the relationship between extraversion and leadership. Which of the following statements most accurately describes their findings? Extraversion was related to leader effectiveness in collectivistic, but not individualistic cultures. Extraverts, compared to introverts, were more effective when leading proactive followers compared to passive followers. The relationship between extraversion and leader effectiveness depended upon the leader's level of agreeableness. The relationship between extraversion and leader effectiveness held with passive followers, but reversed with proactive followers