Research Methodology · Statistical Analysis
A web developer compared user engagement time across three designs (A, B, and C) using ANOVA. Even if the overall ANOVA test yields a statistically significant result, why can it not pinpoint exactly which specific pairs of designs significantly differ from each other?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Because the total degrees of freedom restrict any subsequent calculation.
- 2Because the p-value is excessively small to carry out further statistical inferences.
- 3Because ANOVA is an omnibus test; post-hoc pairwise comparison tests are required to identify specific differences.✓
- 4Because ANOVA only analyzes variances and provides no information about group means.
Correct answer
Because ANOVA is an omnibus test; post-hoc pairwise comparison tests are required to identify specific differences.
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