title: Intrinsic and extrinsic motivation in early adolescents' friendship development: friendship selection, influence, and prospective friendship quality.
authors.affiliation: University of South Florida, Tampa, FL, United States. tojanen@usf.edu
authors.forename: Tiina
authors.initials: T
authors.lastname: Ojanen
authors.forename: Jelle J
authors.initials: JJ
authors.lastname: Sijtsema
authors.forename: Patricia H
authors.initials: PH
authors.lastname: Hawley
authors.forename: Todd D
authors.initials: TD
authors.lastname: Little