Cohen, Ronald Jay. Psychological testing and assessment : an introduction to tests and measurement / Ronald Jay Cohen, Mark E. Swerdlik, Edward D. Sturman. - 8th ed. - New York, NY : McGraw-Hill, 2013. - 1 v. (various pagings) : ill. ; 27 cm. Includes bibliographical references and indexes. ISBN: 9780078035302 (alk. paper) RM675.21 0078035309 (alk. paper) Subjects--Topical Terms: Psychological tests.Psychometrics.