Cohen, Ronald Jay, Psychological testing and assessment : an introduction to tests and measurement / Ronald Jay Cohen, Mark E. Swerdlik. - Ninth edition. - xxix, 566, R-67, I-36, T-5 pages : illustrations ; 27 cm Includes bibliographical references and index. ISBN: 9781259922084 Subjects--Topical Terms: Psychological tests.Psychometrics.Psychology. Dewey Class. No.: 150.287 / COH 2018