Kaplan, Robert M. Psychological testing : principles, applications, and issues / Robert M. Kaplan, Dennis P. Saccuzzo. - 5th ed. - Australia : Wadsworth, 2001. - xxiii, 708 p. : ill. ; 24 cm. Includes bibliographical references (p. 641-686) and indexes. ISBN: 0534370969 RM325.22 LCCN: 00-043337 Subjects--Topical Terms: Psychological tests.