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A researcher has conducted an experiment in which she has given participants a placebo, 10mg, and 20mg of a drug. She then meas...Asked by Bill
A researcher has conducted an experiment in which she has given participants a placebo, 10mg, and 20mg of a drug. She then measured their anxiety, blood pressure, and heart rate in response to the drug. How many levels does this experiment’s independent variable have?
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Answered by
John
The indep. variable is the drug and it has 3 levels - placebo, 10 mg and 20 mg.
the response to the drug is the dependent variable because the values are dependent on the amount of drug given.
the response to the drug is the dependent variable because the values are dependent on the amount of drug given.
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