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Published on: December 3, 2020
One-sided Tests for Comparing Treatment Effects for Qualitative Data
1Psychologisches Institut der Universität Düsseldorf, BRD.
Abstract:
Various one-sided tests for the comparison of differential treatment effects in two independent groups are developed for qualitative data. This is done for matched and for independent samples, in the case of identical and of different initial distributions. Tests for various kinds of treatment effects are considered. In each case the two observed contingency tables are collapsed into two independent fourfold tables. It is described in which way to select the appropriate procedure for practical problems, and most methods are illustrated in detail by means of a numerical example from clinical psychology.
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