Maria believes that high doses of caffeine speed up a person's reaction time.In order to test her hunch,she has five friends each drink three 8-ounce cups of coffee and then she measures how quickly they are able to push a button when a tone is sounded.What is wrong with Maria's research strategy?
A) No independent variable has been specified.
B) No dependent variable has been specified.
C) There is no control condition.
D) There is no provision for repeating the experiment.
Correct Answer:
Verified
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