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1. Independent variables? 2. Dependent variable? 3. Explain the design. 4. Experimental hypotheses in symbols? 5. Which statistical analysis should be used and why?

1. Independent variables? 2. Dependent variable? 3. Explain the design. 4. Experimental hypotheses in symbols? 5. Which statistical analysis should be used and why?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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B. A researcher working with elderly people is interested in whether memory decreases with age. An independent groups experiment is conducted with three age groups, 30-39, 40-49, and 50-59. Two memory tasks are given, a difficult, long passage to be memorized and a relatively easy, shorter passage. Subjects are randomly assigned, four to each cell. Scores are percent correct, with 100 being a perfect score. The data are shown here: Age (years) 40-49 Memory Task 30-39 50-59 90 88 85 Easy 95 97 93 92 96 91 94 89 91 80 84 77 75 67 66 Difficult 82 79 79 74 69 71
Transcribed Image Text:B. A researcher working with elderly people is interested in whether memory decreases with age. An independent groups experiment is conducted with three age groups, 30-39, 40-49, and 50-59. Two memory tasks are given, a difficult, long passage to be memorized and a relatively easy, shorter passage. Subjects are randomly assigned, four to each cell. Scores are percent correct, with 100 being a perfect score. The data are shown here: Age (years) 40-49 Memory Task 30-39 50-59 90 88 85 Easy 95 97 93 92 96 91 94 89 91 80 84 77 75 67 66 Difficult 82 79 79 74 69 71
1. Independent variables? 2. Dependent variable? 3. Explain the design. 4. Experimental hypotheses in symbols? 5. Which statistical analysis should be used and why? 6. Statistical statements? Which are significant?
Transcribed Image Text:1. Independent variables? 2. Dependent variable? 3. Explain the design. 4. Experimental hypotheses in symbols? 5. Which statistical analysis should be used and why? 6. Statistical statements? Which are significant?
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