Cohen, Ronald Jay. Psychological testing and assessment / Ronald Jay Cohen, Mark E. Swerdlik. - Ninth edition. - xxix, 566 pages, 108 variously numbered pages : illustrations ; 27 cm Revised edition of the authors' Psychological testing and assessment, ©2013. Includes bibliographical references and index. ISBN: 9781259870507 (hardback) Subjects--Topical Terms: Psychological tests.Psychometrics.Psychology. Dewey Class. No.: 150.287 / COH 2018