cognitive interviews

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  • cognitive interviews
    • used to improve recall and reduce witnesses using their schemas.
    • the 4 main techniques in cog interview
      • 1. report everything
        • everything is mentioned no matter how small. triggers more information
      • 2. reinstate context at the the time of the event
        • encourage witness to think about environmental factors like weather, smells etc and state cues such as how they felt before and after
      • 3. change order of recall
        • witnesses are asked to recall event in reverse order making it harder for witnesses to reconstruct event according to schema and stop info being lost.
      • 4. change perspective
        • asking witnesses to put themselves in another witness' shoes and think about what they may have seen helping to recall events they may not have seen.
    • the interviewer
      • be silent
      • build a bond
      • remain attentive
      • be trained
    • the interview
      • aren't standardised
      • are recorded
      • collate information
    • evaluation
      • strengths
        • denote 1993 reviewed 27 studies and found overall cognitive interviews provided accurate recall
        • Holiday 2003 found cognitive interviews on kids watching birthday party on video more correct recall than a standard interview
      • weaknesses
        • chenier 2014 found officers in Canadian territory didn't stick to the 80/20 rule, their training was based off interviewing suspects not witnesses
        • not useful if info is needed quickly as there's no time to ask witnesses free recall so direct questioning is more likely.


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