Does Stay Bright nail polish remain on fingernails longer than Acme nail polish? You design an experiment to find out. A random sample of people was selected to wear both nail polishes. Which hand received which polish was determined randomly. After one week, the difference in the quality of the nail polish of each subject is evaluated. What type of experimental design is this?
A) This is a nonrandomized design.
B) This is a matched pairs design.
C) This is a completely randomized design with one factor.
D) This is a completely randomized design with two factors.
E) This is an observational study.
Correct Answer:
Verified
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