Aiken, Lewis R., 1931- Psychological testing and assessment / Lewis R. Aiken, Gary Groth-Marnat. - 12th ed. - Boston : Pearson/Allyn and Bacon, 2006. - xv, 535 p. : ill. ; 24 cm. Includes bibliographical references (p. 490-514) and indexes. ISBN: 0205457428 RM424.20 Subjects--Topical Terms: Psychological tests.