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Psychology
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Placebos, Blinding and Expectancy Effects
Grade Level
Psychology
PSY.034 Placebos, Blinding and Expectancy Effects
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A team wants to reduce both participant expectancy and experimenter expectancy in a study using real and inactive practice websites. Which plan is strongest?
A
Use identical-looking coded websites and keep both participants and facilitators unaware of code meanings until scoring ends.
B
Tell facilitators which website is active but ask participants not to guess.
C
Use a no-website group and announce that the active website should help.
D
Let the active group meet with a more enthusiastic facilitator.
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