TY  - BOOK
AU  - Hays,William L.
TI  - Quantification in psychology
T2  - Basic concepts in psychology series
AV  - BF39 .H29
PY  - 1967///]
CY  - Belmont, Calif.
PB  - Brooks/Cole Pub. Co.
KW  - Psychometrics
N1  - Bibliography: p. 83
ER  -