t-tests, non-parametric tests, and large studies—a paradox of statistical practice?
<p>Abstract</p> <p>Background</p> <p>During the last 30 years, the median sample size of research studies published in high-impact medical journals has increased manyfold, while the use of non-parametric tests has increased at the expense of t-tests. This paper explores...
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Format: | Article |
Language: | English |
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BMC
2012-06-01
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Series: | BMC Medical Research Methodology |
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Online Access: | http://www.biomedcentral.com/1471-2288/12/78 |