saptamana paispe Flashcards
1
Q
What are the non-parametric tests with 3 or more conditions?
A
Kruskal and Wallis
Friedman
2
Q
What is Kruskal - Wallis
A
At least ordinal level data
Unrelated design
Data is replaced by ranks - instead of having actual scores we are looking at 1st, 2nd, etc
3
Q
What is Friedman?
A
Related measures design
Ordinal level data
4
Q
What post hocs is there for Kruskal - Wallis?
A
Mann Whitney U
5
Q
What post hocs is there for Friedman?
A
Wilcoxon
6
Q
What else do you need to do?
A
A Bonferoni correction because you are running multiple tests on the same data - significance level has to be adjusted - divide by the number of tests performed
