A Researcher Uses a Repeated-Measures ANOVA to Test for Mean

question 13

Multiple Choice

A researcher uses a repeated-measures ANOVA to test for mean differences among three treatment conditions using a sample of n = 10 participants.What are the df values for the F-ratio from this analysis?​

• A)​3, 9
• B)​2, 9
• C)​3, 18
• D)​2, 18

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Gases in Earth's atmosphere, such as carbon dioxide and methane, that trap heat and contribute to global warming.

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