Results of a large-scale humeri pair matching study.

Carrie B LeGarde
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Abstract

During the analysis of a commingled human remains assemblage, pair-matching is often conducted as part of the inventory to inform the DNA sampling strategy and to calculate the minimum or most likely number of individuals. As commingled assemblages become larger, pair-matching becomes more difficult, and it is unknown whether accuracy declines. Therefore, a study to determine the accuracy rates of visual pair-matching for multiple observers was conducted on a large, commingled human assemblage. The sample consisted of 580 left and right humeri (n = 287 and n = 293, respectively) from the commingled remains of the USS Oklahoma, which were undergoing analysis at the Defense POW/MIA Accounting Agency. Five anthropologists completed this study, determining humeri pairs with varying degrees of confidence and non-pairs. The overall precision was 81.0% and ranged from 74.1% to 95.9% for participants, including all confidence levels. When considering only confident matches, the overall precision for all participants increased to 91.4%.

大规模肱骨配对研究的结果。
在分析混合人类遗骸时,通常会进行配对,作为清点工作的一部分,以便为 DNA 采样策略提供信息,并计算出最少或最可能的个体数量。随着混合遗骸的规模增大,配对变得更加困难,准确性是否会下降尚不得而知。因此,我们对一个大型的人类混合群体进行了一项研究,以确定多个观察者视觉配对的准确率。样本包括 580 个左右肱骨(分别为 287 个和 293 个),这些肱骨来自俄克拉荷马号战舰的混杂遗骸,国防部战俘/失踪人员核算局正在对这些遗骸进行分析。五位人类学家完成了这项研究,以不同的置信度确定了肱骨配对和非配对。总体精确度为 81.0%,参与者的精确度从 74.1%到 95.9%不等,包括所有置信度。如果只考虑有把握的配对,所有参与者的总体精确度提高到 91.4%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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