Key result
Valid statistical inferences using the 2-sample unpaired t test rely on meeting key assumptions, including normal distribution and equal variances, to avoid erroneous conclusions.
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Design
Editorial
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This article provides a methodological overview highlighting the importance of verifying statistical assumptions when using the two-sample unpaired t-test in medical research.
Schober et al. (2019) reported an editorial. Valid statistical inferences using the 2-sample unpaired t test rely on meeting key assumptions, including normal distribution and equal variances, to avoid erroneous conclusions.
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