Final answer:
The student's question involves a Biology experiment to test if caffeine affects the rate of finger tapping. It describes a double-blind study with three doses of caffeine to measure tapping speed among college men. Statistical analysis would be required to determine the effect conclusively.
Step-by-step explanation:
The question you've posed involves understanding the effects of caffeine on physiological processes, in this case, its potential to affect the rate of finger tapping. To determine if caffeine affects the rate of tapping, and how, we can look at the data from the experiment involving thirty college men who were divided into three groups and given varying doses of caffeine (0 mg, 100 mg, and 200 mg) which correspond roughly to zero, one, or two cups of coffee respectively.
Since the experiment was double blind, we eliminate the risk of bias from both the participants and the researchers which provides more reliable results. If the rate of finger tapping increases with the higher doses of caffeine, it could indicate caffeine's stimulatory effect on the central nervous system which may lead to enhanced motor function. However, without statistical analysis of the finger tapping rates, we cannot conclusively state the effect of caffeine based solely on the information provided.