Multiple Choice
Twenty college students experience the effects of alcohol on reaction time.They perform very basic timed responses in a driving simulator both before and after consuming several alcoholic beverages.The researcher collects a reaction-time result for each of the 20 students before and after intoxication, for a total of 40 measures.What is the null hypothesis for this paired-samples study?
A) There is no difference in reaction time before and after consuming alcohol.
B) Reaction time slows with alcohol consumption.
C) There is a difference in reaction time before and after consuming alcohol.
D) Reaction time quickens with alcohol consumption.
Correct Answer:
Verified
Correct Answer:
Verified
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