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

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
12 18 28 22

PSY 520 Week 7 Discussion 2 Latest-GCU

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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


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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