Jackson, Sherri L., 1962- Research methods and statistics : a critical thinking approach / Sherri L. Jackson - 2nd ed. - Belmont, CA : Thomson Wadsworth, 2006 - xviii, 380 p. : ill. ; 25 cm. Includes bibliographical references and index ISBN: 0534556604 (hbk.) RM350.44 LCCN: 2005-923117 Subjects--Topical Terms: Psychology--Research--MethodologyPsychometrics