TY  - BOOK
AU  - Gottsdanker, Robert.
TI  - Experimenting in Psychology
SN  - 132955016
U1  - 150.724 
PY  - 1978///
CY  - USA: 
PB  - Prentice Hall Inc., 
KW  - Experimental
KW  - Independent variables
KW  - Psychology
ER  -