Co-Authors:
Genizi, A., Department of Statistics and Operations Research, Agricultural Research Organization, Bet Dagan 50 250, Israel
Marcus, R., Department of Statistics and Operations Research, Agricultural Research Organization, Bet Dagan 50 250, Israel
Abstract:
Multiple comparison procedures are extended to designs consisting of several groups, where the treatment means are to be compared within each group. This may arise in two-factor experiments, with a significant interaction term, when one is interested in comparing the levels of one factor at each level of the other factor. A general approach is presented for deriving the distributions and calculating critical points, following three papers which dealt with two specific procedures. These points are used for constructing simultaneous confidence intervals over some restricted set of contrasts among treatment means in each of the groups. Tables of critical values are provided for two procedures and an application is demonstrated. Some extensions are presented for the case of possible different sets of contrasts and also for unequal variances in the various groups. © 1994, Taylor & Francis Group, LLC. All rights reserved.
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