Proctor Robert W. Understanding the methods of psychological research why science matters Proctor Robert W.; Capaldi E.J. - Malden Blackwell Publishing USA 2006 - xii,229p. cm. ISBN: 9781405130493 (pbk) 1457.67 Standard No.: 91054 Source: DU0017, 17/11/2008, Independent Publishers Group Textual Subjects--Topical Terms: PSYCHOLOGY Dewey Class. No.: S:f, P6