TY - BOOK AU - Glass Gene V. AU - Stanley,Julian C. TI - Statistical methods in education and psychology T2 - Prentice-Hall series in educational measurement, research, and statistics SN - 0138449287 AV - LB2846 .G55 U1 - 519 PY - 1970///] CY - Englewood Cliffs, N.J. PB - Prentice-Hall KW - Educational statistics KW - Local KW - Psychometrics N1 - Bibliography: p. 572-585 ER -