Journal of Applied Mathematics and Decision Sciences
Volume 2006 (2006), Article ID 31089, 9 pages

Nonparametric analysis of blocked ordered categories data: some examples revisited

D. J. Best,1 J. C. W. Rayner,1 and O. Thas2

1School of Mathematical and Physical Sciences, University of Newcastle, Callaghan, NSW 2308, Australia
2Department of Applied Mathematics, Biometrics and Process Control, Ghent University, Gent 9000, Belgium

Received 5 October 2005; Revised 12 May 2006; Accepted 15 May 2006

Copyright © 2006 D. J. Best et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Nonparametric analysis for general block designs can be given by using the Cochran-Mantel-Haenszel (CMH) statistics. We demonstrate this with four examples and note that several well-known nonparametric statistics are special cases of CMH statistics.