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 headaches improve by giving each participant a survey each day. The drug is the ______ variable.
A) independent
B) dependent
C) response
D) optional
Correct Answer:

Verified
Correct Answer:
Verified
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