Read the following experiment and identify the
independent and dependent variables.
A scientist wanted to study the effects of different types of blood pressure
medications on blood pressure. 200 patients received Medication A, 200 received
Medication B, and 200 received Medication C. All patients took the medication
twice a day, for 6 months. Once a month, patients would go and get their blood
pressure taken. After 6 months the scientist concluded that the patients taking
Medication B had the most blood pressure improvement.