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Unformatted text preview: Placebo Placebo: A fake pill (sugar), injection (saline), or condition Placebos alter our expectations about our own emotional and physical reactions Placebo Effect: Changes in behavior that result from expectations that a drug or other treatment will have some effect These expectancies then influence bodily activities Experiment Types Single Blind: Only the subjects have no idea whether they get real treatment or placebo Double Blind: The subjects AND the experimenters have no idea whether the subjects get real treatment or placebo Best type of experiment if properly set up...
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- Spring '10