Cohen, Ronald Jay. Psychological testing and assessment : an introduction to tests and measurement / Ronald Jay Cohen, Mark E. Swerdlik, Edward D. Sturman - 8th ed. - Mountain View, Calif. : McGraw,, 2013. - 1 v. (various pagings) : ill. ; 25 cm. Includes bibliographical references and indexes. ISBN: 0767405099 Subjects--Topical Terms: Psychological tests--Textbooks.Psychometrics--Textbooks. LC Class. No.: BF176 Dewey Class. No.: 150/.28/7