Multiple Choice
The effect of a treatment in a simple interrupted time-series design is best indicated by
A) an increasing trend in the dependent variable that is present both before and after the treatment.
B) a decreasing trend in the dependent variable that is present both before and after the treatment.
C) a clear discontinuity (abrupt increase or decrease) in the dependent variable at the point the treatment is administered.
D) a gradual change in the dependent variable that begins just as the treatment is implemented.
Correct Answer:
Verified
Correct Answer:
Verified
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