TY  - BOOK
AU  - Heiman,G W
TI  - Understanding research methods and statistics : :  an integrated introduction for psychology / 
SN  - 0618043047
PY  - 2001///
CY  - Boston, MA : 
PB  -  Houghton Mifflin, 
KW  - Psychology
KW  - Research
KW  - Statistics
ER  -