Jaccard, James Interaction effects in multiple regression - 2nd ed. - Thousand Oaks, Calif. Sage Publications c2003 - vii, 92 p. : ill. ; 22 cm. ISBN: 0761927425 (pbk.) Subjects--Topical Terms: Regression AnalysisSocial sciences - Statistical methods Dewey Class. No.: 519.5360243 , B1/5