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Homework Assignment
You should provide RELEVANTSPSS outputs for all the questions as well as clear interpretation and conclusion based on the outputs.
Question 1. A researcher measured Barthel Index (BI) of 663stroke patients at 1 (barthel1), 3 (barthel2) and 6 (barthel3) months after stroke to determine their independence in activities of daily living. Perform appropriate repeated measures analysis using the dataset "HW1.sav"to identify whether the mean BI scorediffered over time (at 1, 3 and 6 months following stroke). Answer the following questions by providing the appropriate SPSS output, clear interpretation and conclusion for all the questions:
a) Test the assumption of Sphericity.i. SPSS output ii. Interpretation/Conclusion b) What did you identify regarding the Barthel Index scores over time?Are they different?i. SPSS output ii. Interpretation/Conclusion c) Do you need post-hoc analysis? If yes, report the results and your conclusions.i. SPSS output ii. Interpretation/Conclusion
Question 2. A researcher measured Barthel Index (BI) of 663stroke patients at 1 (barthel1), 3 (barthel2) and 6 (barthel3) months after stroke to determine their independence in activities of daily living. The gender of the patients was suspected to influence the BI score. Perform appropriate repeated measures analysis using the dataset "HW1.sav"to identify whether the mean BI score over time varied by gender of the patient (2 categories -male/female). Answer the following questions by providing the appropriate SPSS output, clear interpretation and conclusion for all the questions.a) Test the assumption of Sphericity.i. SPSS output ii. Interpretation/Conclusion b) Test the homogeneity of variance covariance matrices.i. SPSS output ii. Interpretation/Conclusion c) Test the interaction effect of gender on BI measurements over time.i. SPSS output ii. Interpretation/Conclusion d) Generate the profile plot to illustrate interaction effect, if any, and provide your interpretation.i. Profile plot ii. Interpretation/Conclusion e) Identify the final effects that you should report and report them.i. SPSS output ii. Interpretation/Conclusion
Attachment:- Assignment.rar
Verified Expert
This task provides a clear working procedure on repeated measures ANOVA. The Mauchy's Test for sphericity was used to test the assumption of sphericity. This assumption validates the hypothesis that the variances across all groups are equal. If this assumption is satisfied, then we can use Spehricity test to test the Multivariate statistics. If this assumption is violated, then, we need to use Greenhouse Geisser epsilon value to test the multivariate tests
This assignment is an advance statistic homework need to be done on SPSS and to include screenshots and tables as well as interpretations of each one. attached is the questions along with the dataset that can be only opened through SPSS
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