If you want to set up a controlled experiment to determine the effects of caffeine on sleeping behavior in mice, you take a group of mice and divide it into two groups. Both are fed the same food, both are watered, both have 12 hours daylight, and 12 hours dark. Group one is given caffeine. What is appropriate to give to group two?

Question

Quizplus · Accepted Answer

To maintain a controlled experiment, group two should be given no caffeine to serve as a control group, allowing for a comparison of behavior between mice that consume caffeine and those that do not.

If You Want to Set Up a Controlled Experiment to Determine