Loftus + Palmer: Experiment 1

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  • Loftus & Palmer: Experiment 1
    • Sample
      • 45 American students
      • Uni of Washington
      • Opportunity sample
      • 5 groups of 9
    • Design
      • Independent measures
    • Procedure
      • Shown 7 clips of traffic accident
      • Given questionnaire after each clip
      • Critical question: About how fast were the cars going when they ____ into each other?
      • 5 groups: Smashed, collided, bumped,       hit,      contacted
      • Clips ranged from 5 to 30 seconds
    • Aim
      • See if the estimates given would be influenced by the wording of the question asked
    • Results
      • Smashed   40.8 mph
        • Collided     39.3 mph
          • Bumped    38.1 mph
            • Hit  34 mph
              • Contacted 31.8 mph
    • Conclusion
      • Response Bias
      • Memory representation is altered
        • Critical verb changes Ps perception of  the accident .
          • Some critical words would lead Ps to perceive the accident was more serious
            • This perception is then stored in the Ps memory of the event

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