TY  - BOOK
AU  - Robson,Colin
TI  - Experiment, design and statistics in psychology: an introduction 
T2  - Penguin modern psychology texts
SN  - 0140226036(pbk. )
PY  - 1973///
CY  - Harmondsworth
PB  - Penguin Books
KW  - Psychology, Experimental
N1  - Bibliography: p. 137
ER  -