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Updated: Jun 18, 2025
09:49
Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm
Published on: December 24, 2015
14.1K
Feeling the future of eyewitness research.
Brent M Wilson1, Travis M Seale-Carlisle2, Melissa F Colloff3
1Department of Psychology, University of California San Diego, La Jolla, CA 92093, United States of America.
Cognition
|July 31, 2024
Summary
Eyewitness memory research using full receiver operating characteristic (ROC) curves may undermine protections for innocent suspects. This method lacks mathematical coherence and leads to questionable conclusions about eyewitness accuracy.
Area of Science:
- Cognitive Psychology
- Forensic Science
- Eyewitness Identification Procedures
Background:
- Eyewitness memory research traditionally aims to reduce false identifications of innocent suspects.
- Partial receiver operating characteristic (ROC) curves are used to evaluate lineup fairness by balancing hit rates and false alarm rates.
- Fair lineups utilize fillers to minimize the likelihood of misidentification.
Purpose of the Study:
- To critically evaluate recent attempts to extend receiver operating characteristic (ROC) curves into high false alarm rate regions.
- To investigate the potential for these extended ROC curves to circumvent protections offered by fair lineups.
- To examine the mathematical coherence of models underlying these extended ROC curve applications.
Main Methods:
- Empirical demonstration of the consequences of applying mathematically incoherent models to eyewitness data.
- Analysis of how extending ROC curves into high false alarm regions can be misused.
- Critique of theoretical underpinnings for latent diagnostic signal models in eyewitness research.
Main Results:
- Extending ROC curves to high false alarm rates can lead to erroneous conclusions.
- The mathematical foundation for these extended ROC curves is not coherent.
- Misapplication of ROC analysis can suggest impossible eyewitness abilities, such as precognition.
Conclusions:
- Current methods for extending ROC curves in eyewitness research lack a solid theoretical basis.
- These methods may inadvertently compromise the integrity of eyewitness identification procedures.
- Further research must ensure mathematical coherence to prevent misleading interpretations of eyewitness memory.
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