memory ewt

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  • Eyewitness testimony
    • Eyewitness testimony is the evidence provided by the participants who witnessed a particular event or crime - relies on recall from memory
      • For examples  descriptions of criminals such as hair colour,height and crime scenes such as time, date, location.
    • can be inaccurate and distorted
      • important implications when it comes to police interviews.
    • Affected by Misleading information - loftus and palmer 1974, loftus and zanni 1975.
      • Loftus and palmer 1974 - the aim is to investigate the effects of leading questions on the accuracy of speed estimates in and perceived consequences of a car crash
      • loftus and zanni 1975 - showed participants of a film of a car accident, two groups formed: a control group and a experimental group
        • Control group: was asked questions consistent with what they had actually seen.
        • An experimental group was asked a question that included misleading information.
      • Methodological issues
        • Controlled laboratory experiment - artificial settings as participant are aware that they had to pay attention.
        • Loftus case study - demand characteristics
      • Ethical issues
        • informed consent - loftus did not use it!
        • Deception
        • Protection of participant - no harm and distress.
    • Test the demand characteristics of the participants
      • Loftus 1980 offered reward to participant with money
  • Eyewitness testimony is the evidence provided by the participants who witnessed a particular event or crime - relies on recall from memory
    • For examples  descriptions of criminals such as hair colour,height and crime scenes such as time, date, location.
  • important implications when it comes to police interviews.
  • Loftus 1980 offered reward to participant with money
  • Protection of participant - no harm and distress.
  • Deception
  • informed consent - loftus did not use it!
  • Ethical issues

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