Independent samples t-test Flashcards
0
Q
Parametric version?
A
Independent samples t-test
1
Q
Used to…
A
Compare two groups
Two groups- one variable
2
Q
Non-parametric version?
A
Mann Whitney U-test
z value used, not t
3
Q
The larger the t or z value, the larger the…
A
Difference
4
Q
Null-
R/A-
Directional-
A
No sig diff
Sig diff between male and female
Males will be sig stronger
5
Q
Levene’s test for equality of variance
Look at sig value
> 0.05=
<0.05=
A
Equal variances assumed row
Equal variances not assumed row
Figure determines which t-value to use
6
Q
Effect size…
A
Indication of magnitude of difference between two groups
7
Q
Eta-squared values range from?
A
0-1
- 1= small effect
- 6= moderate effect
- 14= large effect
