A drug company is testing a new blood pressure medication. A group of 50 patients with high blood pressure are given the new drug, and their blood pressure is monitored over one month. The company’s results could be better verified if they included ____.
____
changes in the patients’ lifestyle factors, such as diet and exercise, as well
a longer period of time for the drug to take effect
a group of 50 patients given a placebo
a group of 50 patients who do not have high blood pressure
Create a totally FREE account to save your progress and scores.
Exam Simulator
Welcome back
Let's continue studying where you left off.