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.

Question

Quizplus · Accepted Answer

An interrupted time-series design involves observing a group over time, with measurements taken before and after a treatment to assess its impact.

In an Interrupted Time-Series Design, Researchers