Zechmeister, Jaenne S. Essentials of research methods in psychology / Jeanne S. Zechmeister, Eugene B. Zechmeister, John J. Shaughnessy - Boston : McGraw Hill, 2001 - xii, 269 p. : ill. ; 24 cm. ISBN: 0072388153 RM282.24 0072932341 Subjects--Topical Terms: Psychology--Research--MethodologyPsychology, Experimental