23. Calculate the SS for your D scores:

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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23

For #20 - 29: A researcher would like to evaluate the effectiveness of a pain-relief patch designed for back pain.
Prior to testing the patch, each of the patients (n = 7) rated their current level of back pain on a scale from 1 to 10.
After wearing the patch for 90 minutes, a second pain rating is recorded. The data in this repeated-measures design
are as follows:
Pain
Pain
D scores
D2
SS
variance of D=s²
df
Before
After
7
2
ED
4
SMD
п
4
n
2
t = Mp / SMR.
3
4
2
1
23. Calculate the SS for your D scores:
Transcribed Image Text:For #20 - 29: A researcher would like to evaluate the effectiveness of a pain-relief patch designed for back pain. Prior to testing the patch, each of the patients (n = 7) rated their current level of back pain on a scale from 1 to 10. After wearing the patch for 90 minutes, a second pain rating is recorded. The data in this repeated-measures design are as follows: Pain Pain D scores D2 SS variance of D=s² df Before After 7 2 ED 4 SMD п 4 n 2 t = Mp / SMR. 3 4 2 1 23. Calculate the SS for your D scores:
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