Yarmey 2004

Yarmey photo identification and eyewitness recall

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  • Created by: Jenny
  • Created on: 24-05-14 12:56
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  • Yarmey 2004
    • AIM
      • investigate recall in field experiments
    • PROCEDURE
      • P approached by C asked about lost jewelry or directions
        • asked to be in the study immediately
      • given a questionnaire about what happened and a liker scale to rank their confidence in their answers
      • given a set of photos 1/2 there 1/2 not (told might not be there)
      • written procedure given to students = predctions
    • RESULTS
      • 49% accurate (there) 62% (not there)
      • Students: 47% (there) 63% (not there)
      • visual enhancement didnt effect recall
      • doesnt support cognitive interview
    • CONCLUSION
      • 50% of witnesses give a correct id when present
      • Similar to Harber Harber
      • questions accuracy of EWT
    • STRENGTHS
      • photo line up results support Haber & Haber - some reliability - 50% accurate (present)
      • natural environment - ecological validity
      • some control - can replicate - reliable
      • range of age and large sample - generalisable
    • WEAKNESSES
      • found age easier to id than weight or height Yuille and Cutshall found the opposite- doesnt support
      • photo not the same as real life - lacks validity
      • recall on meeting an speaking to target - not always the came - should only be applied to similar
  • Criminology
  • 215 male 375 female - white - 18 - 70
    • PROCEDURE
      • P approached by C asked about lost jewelry or directions
        • asked to be in the study immediately
      • given a questionnaire about what happened and a liker scale to rank their confidence in their answers
      • given a set of photos 1/2 there 1/2 not (told might not be there)
      • written procedure given to students = predctions

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