What Is Homogeneity Of Variance In Anova. What homogeneity of variance test did you use. The population variances of the dependent variable must equal for all groups.
Feb 27 2013 The assumption of homogeneity of variance is an assumption of the independent samples t-test and ANOVA stating that all comparison groups have the same variance. GraphPad Prism tests this assumption with Bartletts test. Therefore the ANOVA is robust to small deviations from the HOV assumption.
What homogeneity of variance test did you use.
If theres higher between-group variance relative to within-group variance then the groups are likely to be different as a result of your treatment. An ANOVA requires 3 assumptions. 2 1 2 2 2a. Jan 01 2009 What to do when data fail tests for homogeneity of variance part of one-way ANOVA.
