Homogeneity of variance Flashcards
1
Q
Homogeneity of variance
A
Where the standard deviation scores of comparison groups are similar
- Homogeneity of variance essentially makes sure that the distributions of the outcomes in each group are comparable and similar.
2
Q
What does it mean if homogeneity of variance is violated?
A
There is a greater probability of falsely rejecting the null hypothesis (false positive, type 1 error)
3
Q
How to tests of homogeny of variance
A
Tests on the deviations (squared or absolute) of scores from the sample mean or median
