A research wants to know whether children eating a high-protein breakfast will have a higher test grade.Half of the children in the study eat a high-protein breakfast while the other half eats their normal diet.The control group consists of the children who

Question

Quizplus · Accepted Answer

The control group in an experiment is typically a group that does not receive the intervention being tested, in this case, the high-protein breakfast. In order to accurately measure the effect of the high-protein breakfast on test scores, it is important to have a group of children who are eating their normal diet as a comparison. Therefore, the control group in this study consists of the children who eat their normal diet. Option A is incorrect because all of the children in the study should be tested in order to compare the test scores of the two groups. Option B is incorrect because the study does not mention a low-protein breakfast group. Option D is incorrect because that group is receiving the intervention being tested.

A Research Wants to Know Whether Children Eating a High-Protein