Document Detail

Do resemblance ratings measure the accuracy of facial approximations?
MedLine Citation:
PMID:  11908590     Owner:  NLM     Status:  MEDLINE    
Since forensic facial approximations are used to promote recognition of a deceased person, an accurate forensic facial approximation (FFA) should be easily recognized as the person to whom the skull belonged (target individual). However, the accuracy of FFAs has been previously assessed by the direct comparison of an FFA to the corresponding target individual for similarity (i.e., a resemblance rating). Resemblance ratings may not indicate a facial approximation's accuracy since the resemblance of non-target individuals is not accounted for. This experiment tests the validity of using resemblance ratings to assess the accuracy of FFAs. The study indicates that there is no statistically significant difference between: (a) resemblance ratings of FFAs to target individuals and (b) resemblance ratings of FFAs to individuals incorrectly identified as the target individual. It is concluded that it is not possible from resemblance ratings to determine the accuracy and/or quality of a facial approximation since a non-target individual may receive a resemblance rating equal to, or higher than, the target individual.
Carl N Stephan
Publication Detail:
Type:  Comparative Study; Journal Article; Validation Studies    
Journal Detail:
Title:  Journal of forensic sciences     Volume:  47     ISSN:  0022-1198     ISO Abbreviation:  J. Forensic Sci.     Publication Date:  2002 Mar 
Date Detail:
Created Date:  2002-03-22     Completed Date:  2002-05-20     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0375370     Medline TA:  J Forensic Sci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  239-43     Citation Subset:  IM    
Department of Anatomical Sciences, University of Adelaide, Australia.
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MeSH Terms
Cephalometry / methods,  standards*
Confidence Intervals
Face / anatomy & histology*
False Negative Reactions
False Positive Reactions
Forensic Anthropology / methods*,  standards*
Recognition (Psychology)
Reproducibility of Results
Sensitivity and Specificity
Skull / anatomy & histology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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