Statistical tests- research methods Flashcards
1
Q
Why would we use mann-whitney?
A
- Unrelated
- Ordinal
- Indepedent groups
- looking for a difference between two groups
2
Q
Why would we use wilcoxon?
A
- looking for a difference before and after
- repeated measures
- ordinal
3
Q
Why would we use an unelated T-test?
A
- Interval data
- difference between two sets of data
- independent groups
4
Q
Why would we use a related t-test?
A
- repeated design
- difference before and after (same group)
- interval data
5
Q
When would we use spearman’s rho?
A
- correlation between two sets of values
- ordinal level
6
Q
When would we use chi-squared?
A
- data is nominal
- test of difference or association
- independent groups
