一般注記"Funded in part by the National Institute of Education (NIE) , U.S. Department of Education and by the Spencer Foundation."
Repr. from Human development, vol. 28, p. [50]-56, 1985
Distributed to depository libraries in microfiche
Physical description for original version: p. [50]-56 ; 26 cm
書誌注記Includes bibliographical references (p. 55-56)
原資料等に関する注記原資料の出版事項: [Pittsburgh, Pa.] : Learning Research and Development Center, University of Pittsburgh, [1985]
SUPTDOC番号: ED 1.310/2: 263133
GPO管理番号: 466-A-3 (MF)