11- non-parametric tests Flashcards
1
Q
define critical value
A
a numerical value found in the statistical tables that helps determine significance of results
2
Q
what are the conditions for spearman’s rho
A
- test of relationship/ correlation
- data is ordinal
- data is in related pairs
- non-parametric test
3
Q
what must you remember when doing a spearman’s rho calculation
A
if you get a negative number ignore the minus when comparing but put it back when reporting the results
4
Q
what are the conditions for Mann Whitney
A
- test of difference
- data is ordinal/interval
- independent groups design
- non-parametric test
5
Q
what are the conditions for chi squared
A
- test of association/difference
- data is nominal
- independent measures design
- non-parametric test
6
Q
what are degrees of freedom
A
the number of degrees of freedom corresponds to the number of values that are free to vary
7
Q
what are the conditions for wilcoxon
A
- test of difference
- data is ordinal
- repeated measures/ matched participants design
- non-parametric test
