Timeline for Comparing patient and control group results of a survey
Current License: CC BY-SA 3.0
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Jul 24, 2014 at 5:41 | comment | added | Alexis | The point about power is not quite accurately linked to parametric versus nonparametric tests. If the distributions of scores are not normal, the nonparametric (rank sum) test will have better power than the t test. | |
Nov 20, 2012 at 1:05 | history | answered | StatisticsDoc Consulting | CC BY-SA 3.0 |