In this study the independent variable was
A) Which drug the groups were given
B) The incidence of hay fever
C) The age of the subjects
D) The gender of the subjects.

Question

Quizplus · Accepted Answer

The independent variable in this study was which drug the groups were given. This is because the researchers were manipulating the drug given to the participants, and this is the variable that they are testing the effects of on the dependent variable (symptom relief).

In This Study the Independent Variable Was