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A team of researchers is testing the effectiveness of a new HPV vaccine. They randomly divide the subjects into two groups. Group 1 receives new

A team of researchers is testing the effectiveness of a new HPV vaccine. They randomly

divide the subjects into two groups. Group 1 receives new HPV vaccine, and Group 2

receives the existing HPV vaccine. The patients in the study do not know which group

they are in.

a. Which is the treatment group?

b. Which is the control group (if there is one)?

c. Is this study blind, double-blind, or neither?

d. Is this best described as an experiment, a controlled experiment, or a placebo

controlled experiment?

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