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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.
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Related Experiment Video

Updated: Jun 21, 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

Repeated eyewitness identification procedures: memory, decision making, and probative value.

Ryan D Godfrey1, Steven E Clark

  • 1Psychology Department, University of California, Riverside, Riverside, CA 92521, USA. ryan.godfrey@email.ucr.edu

Law and Human Behavior
|July 9, 2009
PubMed
Summary
This summary is machine-generated.

Repeated identification procedures can increase both accurate and inaccurate suspect identifications. Witness confidence and similarity judgments are affected by the timing of these repeated identifications.

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Area of Science:

  • Psychology
  • Forensic Science
  • Cognitive Psychology

Background:

  • Eyewitness identification is crucial in legal proceedings.
  • Understanding the impact of repeated identification procedures is vital for accurate testimony.

Purpose of the Study:

  • To investigate how multiple identification procedures influence eyewitness responses.
  • To examine the effects on identification accuracy, witness confidence, and perceived similarity between suspects and foils.

Main Methods:

  • Two experiments were conducted involving participants undergoing repeated identification procedures.
  • The interval between the first and second identification procedures was manipulated (long vs. short).
  • Data collected included identification responses, confidence ratings, and similarity judgments.

Main Results:

  • A long interval between procedures increased both correct and false suspect identifications, with little change in probative value.
  • A short interval increased foil identifications significantly and boosted confidence across all identifications.
  • Consistent witnesses reported higher confidence than inconsistent witnesses in both experiments.
  • Similarity relationships remained unchanged with a long interval but shifted with a short interval, reducing suspect identification likelihood.

Conclusions:

  • The timing of repeated identification procedures significantly impacts eyewitness accuracy and reliability.
  • Shorter intervals between procedures may inflate confidence and increase false identifications, while longer intervals may increase overall suspect identifications.
  • These findings have implications for legal procedures and the evaluation of eyewitness testimony.