Simple formulae have been derived for the accurate computation of sample sizes when the two-sample t-test is used. Required sample sizes may be reduced by taking repeated measures, especially if correlations are about equal. In a trial with two parallel groups, repeated measures may be summarized by
β¦ LIBER β¦
Randomized clinical trials with a pre- and a post-treatment measurement: Repeated measures versus ANCOVA models
β Scribed by Bjorn Winkens; Gerard J.P. van Breukelen; Hubert J.A. Schouten; Martijn P.F. Berger
- Book ID
- 116350659
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 278 KB
- Volume
- 28
- Category
- Article
- ISSN
- 1551-7144
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