In an effort to prevent participants in an experiment from trying to confirm the researchers' predictions, psychologists sometimes:
Correct answer: B. deceive participants about the true purpose of an experiment
- A. treat information about individual participants confidentially
- B. deceive participants about the true purpose of an experiment
- C. allow subjects to pick whether they are in the experimental or control group
- D. allow people to decide for themselves whether they want to participate in an experiment
Explanation
Deception can conceal the experiment's true purpose, reducing demand characteristics and the tendency to behave as researchers expect. Confidentiality and voluntary participation are ethical safeguards, not methods for preventing expectancy effects.
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