. The authors are grateful to John Battle and Ken Padach for their assistance in the conduct of the research and to Gary Jacolson and Ralph Walde for their assistance in the analyses of the data. The authors, of course, are solely responsible for any errors. They are also indebted to Charles Clock, Edward Bierman, and Francis Whittle of the West Hartford School District for their cooperation. This research was supported, in part, by a grant from Trinity College.
. Requests for reprints should be sent to Charles B. Schultz, Trinity College, Department of Education, 300 Summit Street, Hartford, Connecticut 06106.