Improving Tests for Superior Treatment in Contingency Tables

Vance Berger, Harold Sackrowitz

Research output: Contribution to journalArticle

15 Scopus citations

Abstract

When comparing two treatments on the basis of ordinal data, a natural alternative is stochastic order, as it implies that more favorable outcomes receive greater probability. Results of Eaton can be used to provide a complete class of tests. We find that many tests in current use are not in this class and hence are inadmissible. More important, we present methods of improving such tests. Often, the increase in power is substantial although the size remains the same.

Original languageEnglish (US)
Pages (from-to)700-705
Number of pages6
JournalJournal of the American Statistical Association
Volume92
Issue number438
DOIs
StatePublished - Jun 1 1997

All Science Journal Classification (ASJC) codes

  • Statistics and Probability
  • Statistics, Probability and Uncertainty

Keywords

  • Ordered categorical data
  • Stochastic order

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