Why Is a Post-Hoc Test Necessary If You've Used a One-Way

question 6

Multiple Choice

Why is a post-hoc test necessary if you've used a one-way ANOVA to avoid the problem of multiple comparisons?

• A) Accounting for their respective standard deviations increased the alpha level.
• B) In the case of a significant F value, you were unsure of how the three groups differed.
• C) It was necessary to set a new error rate for each individual t-test.
• D) All these are correct.

---

Definitions:

Task-Oriented Behaviors

Actions focused primarily on completing set tasks or achieving specific objectives, often at the expense of social or relational aspects.

Summarizing

The act of presenting the main ideas or essence of a text or speech in a concise and comprehensive manner.

Information Seeking

The act of looking for or gathering data, facts, or details about a particular topic or question.

Resamples

The process of drawing repeated samples from observed data, often for purposes of statistical inference or estimation.