Multiple Choice
In the posttest-only control group design,the treatment effect (TE) is obtained by ________.
A) TE= O1 - O2
B) TE= (O1 - O2) - (O3 - O4)
C) TE= O1
D) TE= (O2 - O1) - (O4 - O3)
Correct Answer:
Verified
Correct Answer:
Verified
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