TY  - BOOK
AU  - Cronbach,Lee J.
AU  - Snow,Richard E.
TI  - Aptitudes and instructional methods: a handbook for research on interaction 
SN  - 0470150661
PY  - 1977///
CY  - New York
PB  - Irvington Publishers
KW  - Educational tests and measurements
KW  - Teaching
N1  - Includes bibliographical references (p. 525-560) and index
ER  -