Columbia subject headings:
Adolescent psychology.
Friendship in adolescence.
Group identity.
Peer pressure.
Teenagers--Social networks.
Harvard subject headings:
Adolescent psychology.
Friendship in adolescence.
Group identity
Peer pressure.
Teenagers--Social networks
Princeton subject headings:
Adolescent psychology.
Friendship in adolescence.
Group identity.
Peer pressure.
Teenagers--Social networks.