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redcandle redcandle
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8 years ago
A placebo effect occurs when
A) both participants and experimental assistants are unaware of which participants get which treatment.
B) participants change their behavior because of their belief that a treatment has an effect.
C) participants have not been randomly assigned to experimental and control conditions.
D) an experimenter finds what he or she expected to discover.
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Psychology and Life

Psychology and Life


Edition: 18th
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iwasteniwasten
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redcandle Author
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8 years ago
Perfecto Smiling Face with Open Mouth
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