PSY 520 Week 7 MANOVA Project Latest-GCU

PSY-520 Graduate Statistics Topic 7 – MANOVA Project

Directions

Use the following information to complete the assignment. While APA format is not required for the body of this assignment, solid academic writing is expected, and documentation of sources should be presented using APA formatting guidelines, which can be found in the APA Style Guide, located in the Student Success Center.

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 same information from a nurse practitioner, while
• Group 3 receives the information from 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.

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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.

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

PSY-520 Graduate Statistics Topic 7 – MANOVA Project

PSY 520 Week 7 Exercise Latest-GCU

Details:

Complete the following exercises located at the end of each chapter and put them into a Word document to be submitted as directed by the instructor.

Show all relevant work; use the equation editor in Microsoft Word when necessary.

1. Chapter 19, numbers 19.9, 19.10, 19.13, 19.14, and 19.16

2. Chapter 20, numbers 20.5, 20.6, 20.7, and 20.10

PSY 520 Week 6 Discussion 1

Review the four ANOVA videos in the Calculations section of the Statistics Visual Learner media piece.

Explain the major differences between analyzing a one-way ANOVA versus a two-factor ANOVA, and explain why factorial designs with two or more independent variables (or factors) can become very difficult to interpret.

PSY 520 Week 7 Discussion 1 Latest-GCU

Review the three Non-parametric test videos in the Calculations section of the Statistics Visual Learner media piece.

A researcher is examining preferences among four new flavors of ice cream. A sample of n = 80 people is obtained. Each person tastes all four flavors and then picks a favorite. The distribution of preferences is as follows. Do these data indicate any significance preferences among the four flavors Test at the .05 level of significance?

PSY 520 Week 7 Discussion 2 Latest-GCU

Is it true that parametric tests are generally more powerful than nonparametric tests If so, give two reasons why you might choose to use a nonparametric test instead of a parametric test.

PSY 520 Week 6 Discussion 2

Explain how the ANOVA technique avoids the problem of the inflated probability of making Type I error that would arise using the alternative method of comparing groups two at a time using the t-test for independent groups.

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