Multiple Choice
In one study (Hedrick et al., 1993) , researchers compared the number of motorcycle fatalities that occurred before helmets were mandatory, after helmets were mandatory, and after the helmet laws were repealed. This study used an ______ format with the interrupted time-series design.
A) A-B
B) A-B-A
C) A-B-A-B
D) B-A-B
Correct Answer:
Verified
Correct Answer:
Verified
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