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Related Concept Videos

Eyewitness Memory01:22

Eyewitness Memory

Eyewitness memory refers to the recollection of events by someone who has directly witnessed them, often serving as critical evidence in legal settings. This type of memory is commonly used in criminal cases where a witness describes details like a suspect's appearance, clothing, or behavior during a crime. However, despite its perceived reliability, eyewitness memory is prone to significant errors.
One such error is memory distortion, which occurs because human memory does not function like a...
The Representativeness Heuristic02:13

The Representativeness Heuristic

The representative heuristic describes a biased way of thinking, in which you unintentionally stereotype someone or something. For example, you may assume that your professors spend their free time reading books and engaging in intellectual conversation, because the idea of them spending their time playing volleyball or visiting an amusement park does not fit in with your stereotypes of professors.

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Related Experiment Video

Updated: Jun 19, 2026

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm
09:49

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm

Published on: December 24, 2015

Creating fair lineups for suspects with distinctive features.

Theodora Zarkadi1, Kimberley A Wade, Neil Stewart

  • 1University of Warwick, Coventry CV4 7AL, United Kingdom.

Psychological Science
|November 4, 2009
PubMed
Summary
This summary is machine-generated.

Replicating distinctive facial features across all police lineup members improves accurate suspect identification. This method is fairer and more informative than concealing the feature on the target suspect.

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Area of Science:

  • Cognitive Psychology
  • Forensic Science
  • Eyewitness Testimony

Background:

  • Eyewitnesses frequently describe distinctive facial features of culprits.
  • Traditional police lineups with a single suspect matching a distinctive feature are unfair and lack diagnostic value.
  • Fair and informative lineups require either replicating the feature across all members or concealing it on the target.

Purpose of the Study:

  • To experimentally compare the effectiveness of feature replication versus feature concealment in police lineups.
  • To determine which lineup strategy yields more accurate eyewitness identifications.
  • To test the predictive power of the hybrid-similarity model of recognition.

Main Methods:

  • Two experiments were conducted using simulated police lineups.
  • Participants viewed target-present and target-absent lineups.
  • Lineups were manipulated to either replicate a distinctive feature across all members or conceal it on the target.

Main Results:

  • Replication of distinctive features led to more correct identifications in target-present lineups.
  • Feature replication did not increase incorrect identifications of foils in target-absent lineups.
  • The observed pattern of results was uniquely predicted by the hybrid-similarity model.

Conclusions:

  • Replicating distinctive features in police lineups is a superior strategy for enhancing identification accuracy.
  • This method improves lineup fairness and informativeness compared to feature concealment.
  • Findings support the hybrid-similarity model's explanation of recognition processes in eyewitness identification.