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MANOVA Analysis

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A researcher randomly assigns 33 subjects to one of three groups. Group 1 receives technical dietary information interactively from an on-line website. Group 2 receives the dame information form a nurse practitioner, while Group 3 receives the information form a video tape made by the same nurse practitioner.

The researcher looked at three different ratings of the presentation; difficulty, usefulness, and importance to determine if there is a difference in the modes of presentation. In particular, the researcher is interested in whether the interactive website is superior because that is the most cost-effective way of delivering the information.
Group: 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3
usefulnes: 20 25 23 16, 20, 28, 20, 25, 24 18 17 28 25 26 19 29 15 29 26 22 15 29 15 22 27 21 17 16 19 23 27 23 16
Difficulty: 5 9 15 9 6 14 6 8 10 10 9 7 14 9 15 14 6 10 11 5 15 6 6 8 9 10 9 7 9 10 9 9 14
Importanc:18 8 20 22 22 8 13 13 24 20 4 14 5 20 22 12 2 5 1 2 14 4 3 12 14 7 1 12 7 1 5 6 22

1. Run the appropriate analysis of the data and interpret the results.
2. How could this study have been done differently? Why or why not would this approach be better?

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Solution Summary

A detailed MANOVA has been performed in SPSS.

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  • BSc, Banaras Hindu University
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