Twenty sprint cyclists were randomly selected to be in a study designed to test the effectiveness of 12 weeks of creatine supplementation on performance. Ten cyclists received a creatine supplement for 3 months while the other ten received a powdered supplement with the same color and texture that has no physical effect for 3 months. The cyclists did not know which supplement they were taking but
the researcher did.This study is an example of:
a. case study research.
b. epidemiological research.
c. experimental research.
d. a and c
c
Nutritional Science
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