Multiple Choice
Clara examines the number of traumatic head injuries that occurred in California for five years before and after the passage of a law that made it mandatory for riders to wear a helmet. Clara's research design would be classified as a(n) :
A) nonequivalent control group pretest-posttest design.
B) nonequivalent control group design.
C) control series design.
D) interrupted time series design.
Correct Answer:
Verified
Correct Answer:
Verified
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