Many people have been interested in the effects of pet ownership on overall health.Surprisingly enough, the results have been somewhat inconclusive to date.A major investigation of the issue might compare pet owners to people without pets over a 5- to 10-year period.Which group is the control group?
A) pet owners
B) people without pets
C) the pets themselves
D) pet owners with poor health

Question

Quizplus · Accepted Answer

The control group is the group that does not receive the treatment being tested, in this case pet ownership. Therefore, the control group in this study would be people without pets (choice B). Pet owners (choice A) would be the experimental group being compared to the control group. The pets themselves (choice C) and pet owners with poor health (choice D) are not relevant to the control group in this study.

Many People Have Been Interested in the Effects of Pet