Jackson, Sherri L., 1962- Research methods and statistics : a critical thinking approach / Sherri L. Jackson. - 3rd ed. - Belmont, CA : Wadsworth, c2009. - xviii, 430 p. : ill ; 24 cm. Includes bibliographical references (p. 414-415) and index. ISBN: 0495510017 (hbk.) 9780495510017 (hbk.) Subjects--Topical Terms: Psychology--Research--Methodology.Psychometrics. Dewey Class. No.: 150.72 / JAC