In Multiple Comparison Procedures, Post-Hoc Tests Are Completed After the ANOVA

question 83

Multiple Choice

In multiple comparison procedures, post-hoc tests are completed after the ANOVA. Why are post-hoc tests preferred over running several t-tests?

• A) They decrease the probability of a Type I error.
• B) They do not control familywise error rate.
• C) It increases the probability of a Type I error.
• D) They are more likely to be significant.

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