Studies revealed that teen's conformity to peers peaks in the eighth and ninth grade.
What is peer conformity?
This means the social influence that changes individual's belief or behavior in order to match the expectations of the society majorities.
Some example of peer conformity that peaks in ninth grade includes adoption of attitudes and behaviors due to real/imagined pressure.
Therefore, the Option C is correct.
Read more about peer conformity
brainly.com/question/24818305
