IMPROVES EWT

• WHO CARRIED OUT A STUDY SUGGESTING ANXIETY IMPROVES EWT?

  Yuille and Cutshall
• SAMPLE OF YUILLE AND CUTSHALL'S EXPERIMENT?

  13 people who had witnessed a real armed robbery
• PROCEDURE OF YUILLE AND CUTSHALL'S STUDY?

  1. Interviewed 13 people who witnessed a real armed robbery
  2. Asked to rate anxiety at the time
  3. Answered questions about the event
• FINDINGS OF YUILLE AND CUTSHALL'S STUDY?

  participants who reported highest anxiety levels were most accurate in detail recall
• LAW RELATING TO THE EFFECT OF ANXIETY ON EWT?

  Yerkes Dodson Law
• WHAT DOES YERKES DODSON LAW SUGGEST?

  moderate anxiety produces optimal performance

  -> when anxiety is too high/ low EWT reliability is poor
• EVALUATION OF YUILLE AND CUTSHALL'S STUDY?

  • might be as participants were closest
  • used retrospective data
  • contained subjective self-report data
• WHAT IS THE ISSUE WITH CLOSENESS?

  study lacks internal validity, therefore the anxiety may be a confounding variable not the cause of accuracy
• ISSUE WITH USING SUBJECTIVE SELF-REPORT DATA?

  lacks internal validity, and anxiety may be overestimated as a factor