Shaughnessy, John J. Research methods in psychology / John J. Shaughnessy, Eugene B. Zechmeister, Jeanne S. Zechmeister - 9th ed. - McGraw-Hill 2012 20930 ISBN: 9780071086813 Subjects--Topical Terms: Psychology - Research - MethodologyPsychology, Experimental LC Class. No.: BF76.5 / Sha