Determine if the following scenario is an observational study or a controlled experiment. A doctor is interested in determining whether a certain medication reduces migraines. She randomly selects 100 people for his study - 50 who will take the medication, and 50 who will take a placebo. The patients are examined once a week for six weeks.
A)Observational study
B)Controlled experiment
C)Neither

Question

Quizplus · Accepted Answer

This scenario is a controlled experiment because the doctor is actively manipulating the conditions (medication vs. placebo) and observing the outcomes, which is characteristic of a controlled experiment.

Determine If the Following Scenario Is an Observational Study or a Controlled