Aiken, Lewis R., 1931- Psychological testing and assessment / Lewis R. Aiken. - 11th ed. - Boston : Allyn and Bacon, 2003. - xv, 528 p. : ill. ; 25 cm. Includes bibliogr. references (p. 482-507) and indexes. ISBN: 0205354718 Subjects--Topical Terms: Psychological tests.