Multiple Choice
Dr. Smith is developing a new drug to treat headaches. To test this drug, she develops a study in which one group gets the new drug, and the other gets a placebo, or a fake pill. Dr. Smith measures whether or not headaches improve by giving each participant a survey each day. The survey is the _____.
A) independent variable
B) dependent variable
Correct Answer:
Verified
Correct Answer:
Verified
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