Identify the independent variable(s) from the following research question: "What is the effect of acetaminophen and ibuprofen on liver function in female adolescents with hepatitis?" Select all that apply
A) acetaminophen
B) female adolescents with hepatitis
C) ibuprofen
D) liver function
A, C
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The independent variables are acetaminophen and ibuprofen, as they are associated with the cause. Liver function is the dependent variable, as it is the variable being affected by the independent variable. Female adolescents with hepatitis is the population being studied.
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