Imagine we were trying to interpret the results of a 3 ? 3 two-way repeated-measures ANOVA. The data analysis contains no information about sphericity. In this situation, which of the following rows from the output should be interpreted?
A. The Greenhouse–Geisser row, as it is better to assume sphericity has been violated.
B. The row labelled ‘sphericity assumed’, as it is better to assume sphericity has been met.
C. The Bonferroni row, as it is always better to assume sphericity has been violated.
D. The row labelled ‘sphericity assumed’, as sphericity is not an issue when there are only two independent variables.
Answer: A
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