Imagine that researchers want to test a new smoking-cessation medication. They split their participants into three groups of medication dosage: 0 mg dosage; 10 mg dosage; 20 mg dosage. After two months on the medication, researchers measure whether or not the participant is still smoking.
Answer the following question(s):
A. What is the Independent Variable(s)?
B. What is the Dependent Variable?
C. Which dosage group is the control group?
D. What is a possible confound in this study?