Violation of Homogeneity Assumption and Posthoc Test Results
An exploration of violating the homogeneity assumption in data analysis, presented through PSPP output and posthoc test results for multiple comparisons, with guidance on selecting the appropriate statistical procedure.
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Presentation Transcript
Homogeneity The assumption of homogeneity is violated. 1
Posthoc Tests - Results Multiple comparisons report the significance test of mean differences of all possible pairs Refer to Field for the most appropriate procedure given the situation and consideration of what is more important: control over familywise error or greater statistical power 5
