TY  - GEN
AU  - SHAUGHNESSY, J. J.
AU  - ZECHMEISTER, E. B & ZECHMEISTER, J. S.
TI  - Research Methods in Psychology
SN  - 0-07-249446-8
U1  - LECT 150.72 SHA 
PY  - 2003///
CY  - Boston
PB  - Mcgraw- Hill
ER  -