Pseudoreplication in physiology: More means less.
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ABSTRACT: This article reviews how to analyze data from experiments designed to compare the cellular physiology of two or more groups of animals or people. This is commonly done by measuring data from several cells from each animal and using simple t tests or ANOVA to compare between groups. I use simulations to illustrate that this method can give erroneous positive results by assuming that the cells from each animal are independent of each other. This problem, which may be responsible for much of the lack of reproducibility in the literature, can be easily avoided by using a hierarchical, nested statistics approach.
SUBMITTER: Eisner DA
PROVIDER: S-EPMC7814346 | biostudies-literature |
REPOSITORIES: biostudies-literature
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