Question

a team of researchers is testing the effectiveness of a new hpv vaccine. they randomly divide the subjects into two groups. group 1 receives the new hpv vaccine, and group 2 receives the existing hpv vaccine. neither the patients or the doctors examining them knew which group they were in. which is the treatment group? ○ group 1 ○ group 2 ○ neither group which is the control group (if there is one)? ○ group 1 ○ group 2 ○ no control group is this study blind, double blind, or neither? ○ blind ○ double - blind ○ neither

Explanation:

1. The treatment group is the one given the new intervention being tested, which is the new HPV vaccine here.
2. The control group is the one given the existing standard treatment (existing HPV vaccine) to compare against the new intervention.
3. A double-blind study is when both participants and researchers/doctors administering/assessing do not know which group each subject is in, which matches the description.

Answer:

1. Group 1
2. Group 2
3. Double-blind