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The power of a paired t-test with a covariate
Many researchers employ the paired t-test to evaluate the mean difference between matched data points. Unfortunately, in many cases this test in inefficient. This paper reviews how to increase the precision of this test through using the mean centered independent variable x, which is familiar to res...
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| Publicat a: | Soc Sci Res |
|---|---|
| Autors principals: | , |
| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
2014
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4297322/ https://ncbi.nlm.nih.gov/pubmed/25592936 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.ssresearch.2014.12.004 |
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