Question
What is the main reason for using a control group in an experiment?
A
To increase the sample size of the study.
B
To ensure the experiment is ethical.
C
To provide a baseline for comparing the effects of the treatment.
D
To reduce the cost of conducting the experiment.
Answers
GPT-4o mini
C. To provide a baseline for comparing the effects of the treatment.
A control group is essential in an experiment as it allows researchers to compare the results of the treatment group to a group that did not receive the treatment, helping to isolate the effects of the treatment.
A control group is essential in an experiment as it allows researchers to compare the results of the treatment group to a group that did not receive the treatment, helping to isolate the effects of the treatment.