ONE-WAY REPEATED MEASURES ANOVA ANALYSIS AND APPLICATION
***.SAV FILE, STATISTICAL ANALYSIS TEMPLATE, AND STATISTICAL APA REPORTING FILES ARE ATTACHED***
MOST OF THIS “PAPER” WILL BE SPSS OUTPUTS.
Overview
This assignment will help you understand proper reporting and interpretation of a one-way repeated measures ANOVA. You will use the IBM SPSS GLM procedure to accurately compute a repeated measures ANOVA with your .sav file data set.
Provide a context of the data set. Specifically, you are a teacher interested in determining if practice or 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 SPSS 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 three epsilon estimates (Greenhouse–Geisser, Huynh–Feldt, and lower bound) and justify your decision for selecting one of the three epsilon corrections reported below in Section 4 Interpretation.
To provide context, paste SPSS output of Quizzes 1–5 descriptive statistics. Report these descriptive statistics in your narrative.
Next, paste SPSS output of the estimated marginal means plot of Quizzes 1–5. Provide an interpretation of this figure.
Then paste the SPSS output for the test of within-subjects effects.
Report F, the degrees of freedom based on your epsilon correction selected in Section 2 (if epsilon correction is not necessary, report Sphericity Assumed df), the F value, the p value, the effect size, and interpretation of the effect size.
Interpret the results against the null hypothesis. Next, paste the SPSS output for the tests of within-subjects contrasts if the overall F null hypothesis is rejected.
Make sure that the contrast in SPSS is designated as “simple,” with Quiz 1 set as the baseline comparison. Report the F tests for the simple contrasts and interpret them.
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.
Additional Requirements
Written communication: Should be free of errors that detract from the overall message.
APA formatting: References and citations are formatted according to current APA style guidelines. Refer to Evidence and APA for more information on how to cite your sources.
Length: 8–10 double-spaced pages, in addition to the title page and references page.
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