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Many-to-one Comparisons in Stratified Designs

✍ Scribed by Egbert Biesheuvel; Ludwig A. Hothorn

Publisher: John Wiley and Sons
Year: 2002
Tongue: English
Weight: 117 KB
Volume: 44
Category: Article
ISSN: 0323-3847
DOI: 10.1002/1521-4036(200201)44:1<101::aid-bimj101>3.0.co;2-h

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✦ Synopsis

Cheung and Holland (1992) extended Dunnett's procedure for comparing all active treatments with a control simultaneously within each of r groups while maintaining the Type I error rate at some designated level a allowing different sample sizes for each of the group-treatment categories. This paper shows that exact percentage points can be easily calculated with current available statistical software (SAS). This procedure is compared to resampling techniques and a Bonferroni corrected Dunnett-within-group procedure by means of a simulation study.

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