PSY520 Week7 DQ -Non-parametric Tests

PSY520 Week7 DQ -Non-parametric Tests

PSY520 Week7 DQ -Non-parametric Tests

PSY 520 Week 7 Discussion 1 Latest-GCU

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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?

Ice Cream Flavor
A B C D
12 18 28 22

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.

PSY520 Week7 DQ -Non-parametric Tests

PSY 520 Week 8 Discussion 1 Latest-GCU

To determine whether a new sleeping pill has an effect that varies with dosage, a researcher randomly assigns adult insomniacs, in equal numbers, to receive either 4 or 8 grams of the sleeping pill. The amount of sleeping time is measured for each subject during an 8-hour period after the administration of the dosage. What type of design is this, and what type of statistic is needed to analyze the data?

PSY 520 Week 8 Discussion 2 Latest-GCU

Dr. Bill Board designs a 2 X 2 between-subjects factorial design, where Factor A is word frequency (low or high) and Factor B is category cues (no cues or cues). Assume that the data are interval. What type of statistic is needed to analyze the data?

PSY 520 Week 8 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 21, numbers 21.4, 21.7, 21.8, 21

 

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