Paired t-tests are for assessing the effect of two treatments in a single group of patients. However, if you wish to compare three treatments, the paired t-tests can no longer be applied. Instead, paired analysis of variance (ANOVA), otherwise called repeated-measures ANOVA must be used for analysis.
CITATION STYLE
Cleophas, T. J., & Zwinderman, A. H. (2016). Paired Analysis of Variance. In Clinical Data Analysis on a Pocket Calculator (pp. 107–111). Springer International Publishing. https://doi.org/10.1007/978-3-319-27104-0_20
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