TY  - BOOK
AU  - Welkowitz,Joan
AU  - Ewen,Robert B.,b.1940
AU  - Cohen,Jacob,b.1923
TI  - Introductory statistics for the behavioral sciences
SN  - 0127432604
PY  - 1976///
CY  - New York : b Academic Press
KW  - Psychometrics
N1  - Includes index
ER  -