TY - GEN AU - Ebel, Robert L. AU - Frisbie, David A. TI - Essentials of educational measurment SN - 81-203-0700-3 U1 - 371.26 CY - New Delhi PB - Prentice-Hall of India, India KW - Education KW - Educational tests KW - Measurement KW - Reliability KW - Validity N1 - Bibliography: p.354-358; 2008-01-11; M ER -