Multiple Choice
Medical researchers want to determine if hypnosis is better at pain control than a sugar pill (placebo) . The researcher randomly assigns participants to the two groups and determines how long they can keep their hands in a bowl of ice water. What is the independent variable?
A) Participants
B) Pain experienced
C) Duration of time in ice water
D) Pain control technique
Correct Answer:
Verified
Correct Answer:
Verified
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