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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...
Bystander Effect02:09

Bystander Effect

The discussion of bullying highlights the problem of witnesses not intervening to help a victim. This is a common occurrence, as the following well-publicized event demonstrates. In 1964, in Queens, New York, a 19-year-old woman named Kitty Genovese was attacked by a person with a knife near the back entrance to her apartment building and again in the hallway inside her apartment building. When the attack occurred, she screamed for help numerous times and eventually died from her stab wounds.
Hindsight Biases01:12

Hindsight Biases

Hindsight bias leads you to believe that the event you just experienced was predictable, even though it really wasn’t. In other words, you knew all along that things would turn out the way they did. Can you relate this to the phrase "Hindsight is 20/20" now?
Actor-Observer Effect01:23

Actor-Observer Effect

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Wilcoxon Signed-Ranks Test for Matched Pairs01:09

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The Wilcoxon signed-rank test for matched pairs evaluates the null hypothesis by combining the ranks of differences with their signs. It essentially tests whether the median of the differences in a population of matched pairs is zero. Since the test incorporates more information than the sign test, it generally yields more trustable conclusions. This test also does not require the data to follow a normal distribution, but two conditions must be met for it to be applicable: (1) the data must...
Confirmation Biases01:31

Confirmation Biases

The confirmation bias is the tendency to focus on information that confirms our existing beliefs and ignore information that is inconsistent with our expectations. For example, if you think that your professor is not very nice, you notice all of the instances of rude behavior exhibited by the professor while ignoring the countless pleasant interactions he is involved in on a daily basis. Have you ever fallen prey to the confirmation bias, either as the source or target of such bias?

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Related Experiment Video

Updated: Jun 17, 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

Exploring the sequential lineup advantage using WITNESS.

Charles A Goodsell1, Scott D Gronlund, Curt A Carlson

  • 1Department of Psychology, University of Oklahoma, 455 West Lindsey, Norman, OK 73019, USA.

Law and Human Behavior
|January 16, 2010
PubMed
Summary
This summary is machine-generated.

This study explains why sequential lineups improve eyewitness identification accuracy. Modified computational models successfully replicated experimental data, supporting theoretical explanations for the sequential lineup advantage.

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Last Updated: Jun 17, 2026

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm
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Published on: December 24, 2015

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
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Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

Published on: September 27, 2024

Area of Science:

  • Cognitive psychology
  • Forensic science
  • Computational modeling

Background:

  • Sequential lineups are claimed to be superior to simultaneous lineups for eyewitness identification.
  • No formal quantitative explanation exists for the sequential lineup advantage.

Purpose of the Study:

  • To develop theoretical explanations for the sequential lineup advantage using the WITNESS computational model.
  • To modify the WITNESS model to approximate experimental data and identify key factors contributing to the sequential advantage.

Main Methods:

  • Utilized the WITNESS computational model (Clark, 2003) to simulate lineup procedures.
  • Modified the model with decision-based and memory-based factors.
  • Focused on two experiments with data uncontaminated by suspect position effects.

Main Results:

  • The original WITNESS model failed to approximate experimental data without specific, combined choosing strategies.
  • Decision-based and memory-based modifications to WITNESS successfully approximated experimental data.
  • The modified model demonstrated a sequential advantage consistent with empirical findings.

Conclusions:

  • Theoretical explanations for the sequential lineup advantage were developed through computational modeling.
  • Modifications incorporating decision and memory processes are crucial for explaining the sequential advantage.
  • Further evaluation of these explanations is needed to inform public policy on lineup procedures.