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Control Groups, Placebos, and Blinding
Grade Level
LSAT
LR.098 Control Groups, Placebos, and Blinding
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🔴 Hard
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Which feature best prevents the assistants from becoming part of the treatment?
A
Ask assistants to focus on users who received guidance
B
Compare guided users with users from before the app existed
C
Let users decide whether they want the automated guidance
D
Remove users whose survey answers are unclear
E
Use identical follow-up procedures for all users and keep assistants unaware of guidance assignment
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