TY - BOOK AU - Fraas,John W. TI - Basic concepts in educational research SN - 0819132209 (pbk.) AV - LB1028 .F663 1983 U1 - 370/.7/8 19 PY - 1983/// CY - Lanham, MD PB - University Press of America KW - Education KW - Research KW - Methodology KW - Local KW - Educational statistics N1 - Errata slip inserted; Includes bibliographies and index ER -