Question

Select the correct answer.

Which of the following is an experimental study?
OA. One hundred people using a drug are asked about the side effects that they are experiencing. The results are recorded and
analyzed.
OB. Fifty people are put into a control group and nfty people are put into a test group. The control group is given a placebo and the
test group is given a new medication. Each group is asked about the side effects.
Oc. Fifty people are found that use a drug and fifty people are found that do not. They are asked about physical ailments that they
experience. The results are recorded and analyzed.
OD
Fifty people are found that have complained about side effects. The results are recorded and analyzed.

Answer 1

B

Explanation:

The answer is B (OB. Fifty people are put into a control group and nfty people are put into a test group. The control group is given a placebo and the

test group is given a new medication. Each group is asked about the side effects.) because an experiment requires a control group and a test group chosen at random.