Scientists have developed a new type of margarine that contains plant ingredients. They expect that the margarine will lower blood cholesterol levels. They want to test their hypothesis by comparing the blood cholesterol levels of people who will consume the new margarine with those who will consume regular margarine for a few days. Both groups of people will know which type of margarine they are to consume. Which type of research design will the scientists consider?

Question

Quizplus · Accepted Answer

The scientists are conducting an intervention study because they are actively introducing a change (the new type of margarine) to one group and comparing the outcomes (blood cholesterol levels) with a control group (those consuming regular margarine). This design allows for the examination of the effects of the intervention.

Scientists Have Developed a New Type of Margarine That Contains