Multiple Choice
In an interrupted time-series design, researchers
A) compare the data of the treatment group and the comparison group on four separate occasions.
B) examine changes in the data of a group of participants before the treatment and after the treatment.
C) examine changes in the data of a single participant before the treatment and after the treatment.
D) compare the data of the treatment group and the comparison group on six separate occasions.
Correct Answer:

Verified
Correct Answer:
Verified
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