Kaplan, Robert M. Psychological testing : principles, aplications, and issues / Robert M. Kaplan et al. - 7th ed. - Belmont, CA Wadsworth, Inc., 2009 - xvii, 715 p. ; 23 cm. Includes bibliography and index. Open. ISBN: 9780495095552 LCCN: 2008927883 Subjects--Topical Terms: Psychological tests.