Skip to main content

All Questions

0 votes
0 answers
26 views

Statistical test for unequal sample sizes of repeated measures (non-parametric)

I'm looking to understand the differences between various sources (50) that evaluate an event based on 8 ordinal scales (varying from 2 to 4 values) associated with a discrete score between 0 and 10, ...
ron's user avatar
  • 1
0 votes
1 answer
74 views

How to run Wilcoxon signed-rank test for pairwise comparison of two factors with three variables each?

I performed a study where I took 9 measurements from each participant for 2 factors (time/ location) and 3 variables each. These created the following combinations: T1L1, T1L2, T1L3, T2L1, T2L2, T2L3, ...
tarun14110's user avatar
1 vote
1 answer
3k views

Bonferroni correction for Wilcoxon signed rank test with 6 related samples?

I am comparing scores of the same group of people over 7 days. I first did a Friedman's test to know where the differences were between the 7 days and I did a Wilcoxon signed rank test for the Post ...
Marissa's user avatar
  • 11
3 votes
1 answer
6k views

Which within-subject non-parametric test?

I have to do a non-parametric test on data because the distribution is not normal. The data is about the effectiveness of 2 different Aphasia therapies. There are 54 Aphasia patients tested before ...
user137130's user avatar
4 votes
1 answer
10k views

Why run a post hoc wilcoxon signed rank test after Friedman test, why not just skip to Wilcoxon sign test instead?

I understand that one is required to run post hoc tests after the Friedman test. For example, while the Friedman test may find a statistically significant change amongst 3 treatments, one may follow ...
user6306773's user avatar