Multiple Choice
In a study of the effects of alcohol, a researcher compares reaction time of people who had 8 drinks against those who had 6 drinks, 4 drinks, 2 drinks, or 0 drinks.How many experimental groups are there in this design?
A) 2
B) 4
C) 5
D) 8
Correct Answer:
Verified
Correct Answer:
Verified
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