Please show me how you would approach calculating the following, I don't understand what MD is.
Calculate the difference in scores and find the MD for the following data from a repeated-measures study.
Subject Treatment 1 Treatment 2
A 34 44
B 41 39
C 30 45
D 21 30
Solution. We take a difference by using the second score - first score. So,
Subject Treatment 1 Treatment 2 ...
This solution helps calculate mean difference.