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Provide a context of the data set. Specifically, you are a teacher interested in determining if time in the course affects performance on quizzes. In
- Provide a context of the data set. Specifically, you are a teacher interested in determining if time in the course affects performance on quizzes. In Section 1 of the DAA, articulate your within-subjects factor and the outcome variable. Specify the scale of measurement for each variable and sample size of the data set.
- Specify a research question related to the repeated measures ANOVA. Articulate the null hypothesis and alternative hypothesis. Specify the alpha level.
- Assess the assumption of normality and the sphericity assumption. Provide the output for the Mauchly test. Report the results of the Mauchly W and interpret it in terms of the sphericity assumption. If sphericity is violated, analyze the epsilon estimates (Greenhouse-Geisser and Huynh-Feldt) and justify your decision for selecting one of the epsilon corrections reported below in Section 4 Interpretation.
- To provide context, paste Quizzes 1-5 descriptive statistics output. Report these descriptive statistics in your narrative.
- Next, paste output of the descriptive plot of Quizzes 1-5. Provide an interpretation of this figure.
- Then paste the output for the test of within-subjects effects.
- Report the correct F and p value based on your assessment of the sphericity assumption. Report and interpret the effect size.
- Interpret the results against the null hypothesis. If the overall F null hypothesis is rejected, paste and interpret the output for simple contrasts.
- Discuss the conclusions of the repeated measures ANOVA as it relates to the research question. Conclude with an analysis of the strengths and limitations of repeated measures ANOVA.
- Please provide all visuals.
- Next, paste output of the descriptive plot of Quizzes 1-5. Provide an interpretation of this figure.
- Then paste the output for the test of within-subjects effects.
- Report the correct F and p value based on your assessment of the sphericity assumption. Report and interpret the effect size.
- Interpret the results against the null hypothesis. If the overall F null hypothesis is rejected, paste and interpret the output for simple contrasts.
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