title: Adolescents and their friends.
authors.affiliation: Institute of Child Development, University of Minnesota, Minneapolis.
authors.forename: W W
authors.initials: WW
authors.lastname: Hartup
mesh_terms: D000124:Achievement; D000293:Adolescent; D000294:Adolescent Behavior; D005260:Female; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D010287:Parent-Child Relations; D000297:Psychology, Adolescent; D012917:Social Adjustment; D012951:Socialization; D013334:Students