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                            Library & Multimedia
 Person Recognition: Qualitative Differences in How Forensic Face Examiners and Untrained People Rely on the Face Versus the Body for Identification
NCJ Number
              255251
Journal

*Visual Cognition* Volume: 25 Issue: 4-6 Dated: 2017 Pages: 492-506
Author(s)
          Ying Hu;
                        Kelsey Jackson;
                        Amy Yates;
                        David White;
                        P. Jonathon Phillips;
                        Alice J. O'Toole.
Date Published

2017
Length
              15 pages
Annotation
              Since professional forensic face examiners surpass untrained individuals on challenging face-identity matching tasks, the current study examined qualitative/strategic differences in how forensic face examiners compared with untrained people in performing identity-matching tasks by analyzing item responses (ratings of the likelihood that two images show the same person).
Abstract
              The study developed a novel analysis for quantifying item difficulty for participant groups and establishing group "winners" for items in conditions of interest. "Wisdom-of-the-crowds" effects were explored by fusing responses from varying numbers of participants to amplify strategic differences across groups. Results indicate that examiners used the internal face more effectively than untrained participants, but failed to exploit identity information in the external face and body. In addition, findings indicate that accuracy measures for examiners and controls must include both same-identity verifications and different-identity rejections to understand the role of perceptual skill and response bias in performance differences across participant groups. (publisher abstract modified)
      
  
          Additional Details
Grant Number(s)
        2015-IJ-CX-K014


  
  
        
  Agencies
        NIJ-Sponsored


  
  
        
  Publication Type
        Research (Applied/Empirical)
                                Report (Study/Research)
                                Report (Grant Sponsored)
                                Program/Project Description


  
  
        
  Award
        Design and Implementation of Forensic Facial Identification Experts Test
    
  
  
Date Published: January 1, 2017
    
          Downloads
        
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