One Observation About Much of the Empirical Research on the Agents

One observation about much of the empirical research on the agents of political socialization is that

A) the importance of the peer group has not been confirmed.
B) the media are the most important agent for most people.
C) it is difficult to identify precisely which agent has which specific effect on most individuals' political orientations.
D) it is difficult to determine how children react to political socialization in the schools.
E) the agents of political socialization have little effect on most people.