TY - BOOK AU - Biddle,Bruce Jesse AU - Ellena,William J. ED - American Association of School Administrators. TI - Contemporary research on teacher effectiveness U1 - 371.1 PY - 1964///] CY - New York PB - Holt, Rinehart and Winston KW - Teaching KW - Teachers KW - Rating of N1 - Sponsored by American Association of School Administrators, National School Boards Association [and] the Dept. of Classroom Teachers of the National Education Association; Bibliog.: p. 316-342 ER -