Eyewitness testimony - Anxiety

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  • Eyewitness testimony - Anxiety
    • Anxiety affects the 'encoding' stage of the memory porcess
    • Loftus researched effects of anxiety on accuracy of recall
      • Procedure
        • PP's witnessed 1 of 2 conditions
          • 1. a convo heard followed by a man leaving with  a PEN and GREASE in his hand
            • PP's then asked to identify the man leaving the room from a photo line up
              • 2. a heated argument (glass smashing) man leaves with BLOOD and KNIFE in hand
                • 1. a convo heard followed by a man leaving with  a PEN and GREASE in his hand
                  • PP's then asked to identify the man leaving the room from a photo line up
                    • 2. a heated argument (glass smashing) man leaves with BLOOD and KNIFE in hand
        • FIndings
          • In the pen condition more than 50% accurate
          • In knife condition less than 30% accurate - weapon focus
        • Criticisms
          • Highly controlled
          • PP's were deceived and were not protected from harm
          • Artificial - lacks ecological valadity

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