TY  - BOOK
AU  - Glass 
AU  - Stanley, Julian C.
TI  - Statistical methods in education and psychology 
SN  - 0138449287 
U1  - 519 GEN 1970 
PY  - 1970///
CY  - Englewood Cliffs
PB  - Prentice-Hall
KW  - Educational statistics
KW  - Psychometrics
N1  - Includes bibliography and index p.572 - 596
ER  -