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Ki Rai PSYCHOLOGY YEAR 2 Englisch 31 Karten

Karten in diesem Stapel (31)

  1. 1timeline 5 steps of crime and ewt?1. eyewitness sees someone commit crime
    2. describes perpetrator to police
    3. police apprehend suspect
    4. police place suspect in lineup
    5. if identified, police may choose to charge
  2. 2what are estimator variablesvariables that may impact memory in the stage of the crime commited where they cant be controlled
  3. 3what are the 2 estimator variables in the stage of the eyewitness seeing someone commit crime1. whether they had a weapon or no
    2. whether they were intoxicated or no
  4. 4what are system variablesvariables that may impact memory where they can be controlled over the system stages
  5. 5what are the 2 system variables in the final 4 stages1. the way police interview eyewitnesses
    2. the type of lineup police use
  6. 6what is a lineup in a police investigationconsist of suspects and fillers, suspect may or may not be guilty. as eyewitness you identify them if they are present. then 1) how confident are you in your choice (low0-60%/med70-80/high90-100),
  7. 7what are the 6 decision outcomes for a lineupcorrect ID: if they identify the guilty suspect when they are present. false ID: if absent and identifies. filler ID: if suspect present and eyewit identifies filler. Miss: ID noone.
    you have to pick wehther they IDd suspect, filler or noone when they were present and absent.
  8. 82 types of lineupsimultaneous
    sequential
  9. 9what is a sequential line upwhen you see one suspect at a time
  10. 10how do eyewitness identification researchers discover which type of lineup is bestusing a ROC; receiver operating characteristic. this is a plot of the correct ID rate against false ID rate
  11. 11mickes, flowe and wixted 2012 used ROC analysis on the two lineups and foundthe simultaneous lineup helps eyewitnesses best discriminate innocent from guilty suspects
  12. 12what is the equation for suspect ID accuracy at a particular level of confidence?SID conf = CID conf / CID conf + FID conf
  13. 13what is SID confsuspect ID accuracy for a particular level of confidence
  14. 14what is CID confnumber of correct IDs made with a particular level of confidence
  15. 15what is FID confnumber of false IDs made with a particular level of confidence
  16. 16what is confconfidence level; low, medium, high
  17. 17how to we plot and analyse SID across confidenceCAC analysis; confidence-accuracy characteristic analysis
  18. 18what does CAC analysis stand for?confidence-accuracy characteristic analysis
  19. 19what does ROC stand for?receiver operating characteristic
  20. 20what did mickes 2015 find about cac analysis and line upssimultaneous helps eyewitnesses best discriminate innocent from guilty suspects where the confidence-accuracy relationship is equally strong
  21. 21overall, simultaneous lineups yield;more correct IDs and fewer false IDs than sequential (so a higher ROC)
  22. 22when the suspect is identified from a simultaneous or sequential lineup, are the suspect IDs equally accurate?yes
  23. 23one example of a problem in eyewitness descriptionverbal overshadowing effect
  24. 24define verbal overshadowing effectwhen describing the perpetrator after witnessing a crime may make your memory worse
  25. 25it was found that describing the perp only affected memory when?after a 20 minute delay (low ROC)
  26. 26What is the weapon focus effect?if they have a weapon, eyewit might focus on weapon rather than the face and so memory might be worse
  27. 27what are two problems with the weapon focus effect experiment?1. perp threatening you with a weapon in video isnt the same as a real life crime
    2. collapsing across the 8 diff mock crime videos may have hid a weapon focus effect
  28. 28did the weapon focus effect affect lineup identifications through mock videos?no. but these are not the same as irl
  29. 29what was found by colloff and flowe 2016 involving intoxication and crime witnessesdrinking alcohol will affect your ability to study the perps face. this means that these ppl will have lower ROC than ppl witnessing sober
  30. 30you measure intoxication and confidence accuracy relationship using which analysis?CAC analysis
  31. 31why did the alcohol group have a high CAC level?they were somewhat aware that their memory for the perp was impaired so it makes their participants properly adjust their confidence so their confidence remains a strong indicator of their accuracy

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PSYCHOLOGY YEAR 2 (1 forensics) Karteikarten am three, erstellt von Ki Rai am 22/12/2018.
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