I’m an econometrician by training and when I was taught non-parametric testing I was told the minimum sample size to get a useful result was 10. Either the authors of the article had forgotten this, or there is something very wrong with how they were taught this test.
I’m an econometrician by training and when I was taught non-parametric testing I was told the minimum sample size to get a useful result was 10. Either the authors of the article had forgotten this, or there is something very wrong with how they were taught this test.