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How to interpret an ANOVA table

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Answer the following questions in an analysis of whether level of stress and gender has an impact on caffeine consumption (measured as cups of coffee per day). Copy and paste your results below.

a. Is there a difference between the levels of caffeine consumption for the high-stress, low-stress, and no-stress groups?

b. Is there a difference between males and females, regardless of stress group?

c. Any interactions?

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a. Is there a difference between the levels of caffeine consumption for the high-stress, low-stress, and no-stress groups?

A one-way ANOVA was conducted to test for differences of caffeine consumption between three groups: ...

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How to interpret an ANOVA table

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Two-Way ANOVA Table: Interpret the Results

Two-Way ANOVAs

The following is a 2-way ANOVA. Sex and Treatment Condition are your independent variables, and Post-Treatment Anxiety (RCMAS) is your dependent variable.

Interpret the results from the sex X treatment condition ANOVA table. Make sure to report the results in the APA format and write one to two sentences interpreting the results (main effects and the interaction).

Factor df SS MS F p
Sex 1 8.00 8.00 0.96 0.399
Treatment 2 217.44 108.72 13.05 .033
Sex X Treatment 2 25.00 12.50 1.50 0.354.

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