In Which of the Following Instances Is a Post Hoc

question 45

Multiple Choice

In which of the following instances is a post hoc test needed in a one-factor within-subjects analysis of variance?

• A)A statistically significant Fobs is obtained with two levels of an independent variable.
• B)A nonsignificant Fobs is obtained with two levels of an independent variable.
• C)A nonsignificant Fobs is obtained with five levels of an independent variable.
• D)A statistically significant Fobs is obtained with four levels of an independent variable.

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