Compute r2 and interpret the size of the effect.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
- A researcher would like to evaluate the effectiveness of a treatment program designed to reduce aggressiveness in domestic violence offenders. Prior to participating in the program, each of n = 8 participants has their aggressiveness rated on a scale from 1 to 10 by a clinical psychologist. After participating in the program, a second aggressiveness rating is recorded. The data are below. Using this information answer the questions below.
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Before |
After |
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6 |
2 |
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8 |
3 |
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9 |
4 |
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8 |
1 |
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10 |
2 |
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5 |
3 |
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9 |
8 |
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7 |
7 |
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Compute r2 and interpret the size of the effect.
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