Question

In an experiment to see if having a nurse come three times to visit the homes of newborn babies reduces doctor visits, what is the independent variable?

Answer 1

Its the Nurse visits. That is the independent variable.

Step-by-step explanation:

Answer 2

In a research, the independent variable is the one which causes a change in the dependent variable. In this case, the nurse visit in hoped to cause reduction of doctor visits. That means the doctor visit is dependent variable and nurse visit will be the independent variable.