TY  - BOOK
AU  - Cronbach, Lee J
AU  - Cronbach,Lee J
TI  - Essentials of Psychological Testing
U1  - O02.2 
PY  - 1949///
CY  - New York
PB  - Harcourt & Brothers Publishers
N1  - includes index and biblioraphy; part 1 Basic Concepts
Part 11 Tests of Ability
part 111 Testing of Typicl Performance
Reveiws of Testing of studies of Performance
ER  -