TY  - BOOK
AU  - Henderson,Norman K.
TI  - Statistitcal research methods: in education and psychology 
U1  - 311.2 
PY  - 1964///
CY  - Hong Kong
PB  - The University Press
KW  - Educational statistics
KW  - Psychology
KW  - statistics
KW  - Sampling (Statistics)
N1  - Includes index; with 10 Figures and 28 tables
ER  -