In the following research question, what is the independent variable? Can diabetics on oral antiglycemic medications achieve better control of blood sugar, as measured by Hgb A1C, if they are taught to meditate and do this on a daily basis?
a. Oral antiglycemic medications
b. Hgb A1C
c. Meditation
d. Blood sugar
ANS: C
An independent variable is a stimulus or activity that is manipulated or varied by the researcher to create an effect on the dependent variable. The independent variable is also called an intervention, treatment, or experimental variable. In this example, nausea and vomiting are dependent variables and guided imagery and relaxation techniques are independent variables.
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