Dunham, Philip J. Research methods in psychology / Philip J. Dunham. - New York : Harper & Row, 1988. - xviii, 349 p. : ill. ; 25 cm. Includes index Bibliogr.: p. 337-342. ISBN: 0060418079 Subjects--Topical Terms: Psychology--Research--MethodologyPsychology, Experimental Dewey Class. No.: 150/.72