Cohen, Ronald Jay. Psychological testing and assessment : an introduction to tests and measurement / Ronald Jay Cohen, Mark E. Swerdlik. - 6th ed. - Boston : McGraw-Hill, c2005. - xxii,565p ill. (some col.) ; 27 cm. include bibliographical reference and index ISBN: 0072887672 (alk. paper) LCCN: 2004040325 Subjects--Topical Terms: Psychological tests--Textbooks.Psychometrics--Textbooks. LC Class. No.: BF176 / .C63 2005 Dewey Class. No.: 150.287