Lehman, Richard S. Statistics and research design in the behavioral sciences / Richard S. Lehman. - Belmont, Calif. : Wadsworth Pub. Co., c1991. - xviii, 571 p. : ill. ; 24 cm. Includes index. Includes bibliographical references: p. 551-552. ISBN: 0534138780 Subjects--Topical Terms: Psychology--Statistical methods.Psychology--Research--Methodology.