Children's Peer Relations: Issues in Assessment and Intervention

Willard W. Hartup This volume amounts to an anniversary collection: It was 50 years ago that Lois Jack (1934) published the findings from what most investigators consider to be the first intervention study in this area. The experiment (later replicated and extended by Marjorie Page, 1936, and Gertrude Chittenden, 1942) concerned ascendant behavior in preschool children, which was defined to includ...