The data set contains information on characteristics (e.g. behavior, relation) of young adolescents collected from students and teachers at four points in time.

All publications using these data, should refer to the data in the following way:The data were gathered by Andrea Knecht, as part of her PhD research, building on methods developed by C. Baerveldt, initiator and supervisor of the project. The project is funded by the Netherlands Organization for Scientific Research NWO, grant # 401-01-554 and is part of the research program 'Dynamics of Networks and Behavior' with principle investigator T.A.B. Snijders. Persistent Identifier: urn:nbn:nl:ui:13-ehzl-c6