APPROXIMATE SAMPLE SIZE AND POWER DETERMINATION FOR SCHEFFÈ CONTRASTS

Abstract

Journal of Educational MeasurementVolume 18, Issue 1 p. 55-57 APPROXIMATE SAMPLE SIZE AND POWER DETERMINATION FOR SCHEFFÈ CONTRASTS JOEL R. LEVIN, Corresponding Author JOEL R. LEVIN University of Wisconsin LEV1N, JOEL R. Address: Department of Educational Psychology, 1025 W. Johnson St., University of Wisconsin, Madison, Wisconsin 53706. Title: Professor of Educational Psychology. Degrees: B.A. University of California, Berkeley, M.A. University of California, Berkeley, Ph.D. University of California, Berkeley. Specialization: Children's learning, Design and analysis of educational research. SERLIN, RONALD C. Address: Department of Educational Psychology, University of Wisconsin, Madison, Wisconsin 53706. Title: Assistant Professor, Educational Psychology. Degrees: B.S. University of Michigan, M.S. University of California, Berkeley, Ph.D. University of California, Berkeley. Specialization: Nonparametric Statistics, Multivariate analysis.Search for more papers by this authorRONALD C. SERLIN, Corresponding Author RONALD C. SERLIN University of Wisconsin LEV1N, JOEL R. Address: Department of Educational Psychology, 1025 W. Johnson St., University of Wisconsin, Madison, Wisconsin 53706. Title: Professor of Educational Psychology. Degrees: B.A. University of California, Berkeley, M.A. University of California, Berkeley, Ph.D. University of California, Berkeley. Specialization: Children's learning, Design and analysis of educational research. SERLIN, RONALD C. Address: Department of Educational Psychology, University of Wisconsin, Madison, Wisconsin 53706. Title: Assistant Professor, Educational Psychology. Degrees: B.S. University of Michigan, M.S. University of California, Berkeley, Ph.D. University of California, Berkeley. Specialization: Nonparametric Statistics, Multivariate analysis.Search for more papers by this author JOEL R. LEVIN, Corresponding Author JOEL R. LEVIN University of Wisconsin LEV1N, JOEL R. Address: Department of Educational Psychology, 1025 W. Johnson St., University of Wisconsin, Madison, Wisconsin 53706. Title: Professor of Educational Psychology. Degrees: B.A. University of California, Berkeley, M.A. University of California, Berkeley, Ph.D. University of California, Berkeley. Specialization: Children's learning, Design and analysis of educational research. SERLIN, RONALD C. Address: Department of Educational Psychology, University of Wisconsin, Madison, Wisconsin 53706. Title: Assistant Professor, Educational Psychology. Degrees: B.S. University of Michigan, M.S. University of California, Berkeley, Ph.D. University of California, Berkeley. Specialization: Nonparametric Statistics, Multivariate analysis.Search for more papers by this authorRONALD C. SERLIN, Corresponding Author RONALD C. SERLIN University of Wisconsin LEV1N, JOEL R. Address: Department of Educational Psychology, 1025 W. Johnson St., University of Wisconsin, Madison, Wisconsin 53706. Title: Professor of Educational Psychology. Degrees: B.A. University of California, Berkeley, M.A. University of California, Berkeley, Ph.D. University of California, Berkeley. Specialization: Children's learning, Design and analysis of educational research. SERLIN, RONALD C. Address: Department of Educational Psychology, University of Wisconsin, Madison, Wisconsin 53706. Title: Assistant Professor, Educational Psychology. Degrees: B.S. University of Michigan, M.S. University of California, Berkeley, Ph.D. University of California, Berkeley. Specialization: Nonparametric Statistics, Multivariate analysis.Search for more papers by this author First published: March 1981 https://doi.org/10.1111/j.1745-3984.1981.tb00842.xCitations: 3 The authors are grateful to Beth Brown for typing the manuscript. Requests for reprints should be sent to Joel R. Levin, Department of Educational Psychology, 1025 W. Johnson Street, University of Wisconsin, Madison, Wl 53706. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Citing Literature Volume18, Issue1March 1981Pages 55-57 RelatedInformation