| Tag | Value |
|---|---|
| file | Assumptions_vufsw-sphericity-0310-en_vufsw-sphericity-0310-en |
| name | vufsw-sphericity-0310-en |
| section | assumptions/sphericity |
| type | schoice |
| solution | FALSE, FALSE, FALSE, TRUE |
| Type | conceptual |
| Program | NA |
| Language | English |
| Level | statistical literacy |
For a Mixed Design ANOVA examining whether the performance of schoolchildren differs between 3 subjects (literature, essay writing, mathematics) and whether those differences vary between male and female students, two assumptions about the variances are apply: the homogeneity of variances and sphericity.
The assumption of sphericity implies, among other things, that the variance of __________ … is equal to the variance of __________ … .