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NCJ Number: NCJ 244194   Add to Shopping cart   Find in a Library
Title: Project IDENTIFICATION: Developing Accurate Identification Criteria for Hispanics
  Document URL: PDF 
Author(s): M. Katherine Spradley
Date Published: 2013
Page Count: 69
  Annotation: In addressing the lack of population-specific reference data or criteria for Hispanics of Mexican origin (the largest proportion of the Hispanic U.S. population), this project obtained cranial and post-cranial skeletal measurements for individuals from Mexico, in order to build a database of available reference data for further research and development; to create sectioning points and classification functions for population-specific sex estimates applicable to the majority of Hispanics in the United States; and to use traditional and geometric morphometric methods with the new reference data in exploring morphological variation among Mexicans, American Blacks, and Whites.
Abstract: This project provides new reference data from positively identified Mexicans, so as to improve sex and ancestry estimation. The data collected for Project IDENTIFICATION provide new reference data to further research and development in forensic anthropology. Population-specific sex estimation criteria are now available that are appropriate for the majority of Hispanics of Mexican origin in the United States. Ancestry classifications have been improved with the addition of Howells measurements. The researchers recommend that these measurements be incorporated into data collection protocols for forensic anthropologists. New population-specific classification functions provide cross-validated classification rates up to 96 percent. Results for the geometric morphometric analyses indicate that Mexicans and Guatemalans are smaller than American Whites and Blacks; and all groups differ in craniofacial morphology, particularly in the mid-facial region. An analysis of shape shows that Mexicans and Guatemalans have small cranial vaults in height and length; exhibit alveolar prognathism, and have a wide mid-facial area; however, using principal components with centroid size fails to achieve classification rates as high as traditional craniometric data in ancestry estimation. When running a DFA with all reference groups, the Mexican sample provides the lowest classification values, when Guatemalans are removed from the analysis, the classification rate for Mexicans increases. 8 figures, 30 tables, 57 references, and research dissemination information
Main Term(s): Criminology
Index Term(s): Black/African Americans ; Mexican Americans ; Victim identification ; Caucasian/White Americans ; Bone analysis ; Death investigations ; NIJ final report
Sponsoring Agency: National Institute of Justice (NIJ)
US Department of Justice
Office of Justice Programs
United States of America
Grant Number: 2008-DN-BX-K464
Sale Source: NCJRS Photocopy Services
Box 6000
Rockville, MD 20849-6000
United States of America
Type: Report (Study/Research) ; Research (Applied/Empirical) ; Report (Grant Sponsored)
Country: United States of America
Language: English
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