Factors that Affect Accuracy of EWT

  • Created by: Emily AB
  • Created on: 29-04-13 11:59
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  • Factors that Affect Accuracy of EWT
    • Anxiety
      • Deffenbacher (2004) - meta analysis agreed with 'high levels of stress negatively impact on the accuracy of EWT
      • Christianson and Hubinette (1993) found that in real bank robberies, those threatened (higher stress) were more accurate in EWT
      • Yerkes-Dodson Law: supports Deffenbacher, explains there is an optimum recall for accuracy of EWT and the amount of anxiety.
    • Weapons Focus Effects
      • Johnson and Scott (1976) - in violent crimes people focus almost solely on the weapon
      • Untitled
    • Age of Witness
    • Own Age Bias


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