TY  - BOOK
AU  - Long,John Alexander
AU  - Sandiford,Peter
TI  - The validation of test items ..
T2  - Toronto. University. Bulletin no. 3 of the Department of educational research
AV  - LB1131 .L58
PY  - 1935///]
CY  - Toronto
PB  - The Dept. of educational research, University of Toronto
KW  - Educational tests and measurements
KW  - Education
KW  - Statistics
N1  - Bibliography: p. 125-126
ER  -