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In an experiment studying the effects of a new antidepressant medication,

the amounts of the medication given to the participant (0 mg, 100 mg, 200mg) are the levels of the
A. Confounding variable
B. Response variable
C. Descriptive variable
D. Explanatory variable
O E. Subject variable

User Funroll
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1 Answer

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Explanatory variable (D)
User Maxim Suponya
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