Kira and Alyssa were best friends in middle school. When they went started high
school, Kira took more theater classes and was in several plays and musicals. Alyssa
tried out for the soccer team and started hanging out more with her teammates. By
the end of 9th grade, they realized that they didn't have much in common any more,
and were much closer with their new groups of friends. This is an example of
social facilitation
O central route of persuasion
Odcindividuation
O groupthink
Ogroup polarization