When michael starts high school, he joins the basketball team. he begins to look to his teammates and nba players for cues on how to act on the court, in school and even in his community. michael's basketball team is serving as michael's out-group reference group aggregate secondary group?

The answer is reference group. Individuals whose outlooks, conduct, principles, sentiments, favorites, and standards are used by a person as the foundation for his or her judgment. One does not have to be an associate of a reference group to be harmfully or definitely prejudiced by its individualities. So in the problem, when he looks for cues on how to act as a basketball player this shows he made them as a basis on how to act.