Holistic versus featural facial composite systems for people with mild intellectual disabilities

Julie Gawrylowicz, Fiona Gabbert, Derek Carson, William R. Lindsay, Peter J.B. Hancock

Research output: Contribution to journalArticle

Abstract

Limited verbal abilities might act as a barrier to witnesses with Intellectual Disabilities (ID) to provide accurate testimony. This might be particularly problematic when the police need to create a facial composite image. Contrary to featural composite systems such as Electronic Facial Identification Technique (E-FIT), holistic systems such as Evolutionary Facial Identification Technique (EvoFIT) do not require the witness to provide a verbal description of a perpetrator's face. Instead, they rely more on face recognition, which may make them more suitable for people with ID. The current study compared the performance of people with and without ID at creating composites using E-FIT and EvoFIT. Although ID composites created with EvoFIT were more often accurately identified than E-FIT composites, the performance of ID participants was overall very poor across both systems and considerably poorer than that of non-ID participants. The implications of these findings for practitioners working in the Criminal Justice System are discussed.
Original languageEnglish
Pages (from-to)716-720
Number of pages5
JournalApplied Cognitive Psychology
Volume26
Issue number5
DOIs
Publication statusPublished - 17 Sep 2012

Keywords

  • holistic facial composite systems
  • featural facial composite systems
  • mild intellectual disabilities

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    Gawrylowicz, J., Gabbert, F., Carson, D., Lindsay, W. R., & Hancock, P. J. B. (2012). Holistic versus featural facial composite systems for people with mild intellectual disabilities. Applied Cognitive Psychology, 26(5), 716-720. https://doi.org/10.1002/acp.2850