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Measuring human remains in the field: Grid technique, total station, or MicroScribe?
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SYSNO ASEP 0383800 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Measuring human remains in the field: Grid technique, total station, or MicroScribe? Author(s) Sládek, Vladimír (UBO-W) RID
Galeta, P. (CZ)
Sosna, D. (CZ)Number of authors 3 Source Title Forensic Science International. - : Elsevier - ISSN 0379-0738
Roč. 221, 1-3 (2012), s. 16-22Number of pages 7 s. Language eng - English Country IE - Ireland Keywords Excavation ; Field anthropology ; Human skeleton ; Measuring error Subject RIV AC - Archeology, Anthropology, Ethnology Institutional support UBO-W - RVO:68081766 UT WOS 000306967300013 EID SCOPUS 84864364823 DOI 10.1016/j.forsciint.2012.03.018 Annotation Although three-dimensional (3D) coordinates for human intra-skeletal landmarks are among the most important data that anthropologists have to record in the field, little is known about the reliability of various measuring techniques. We compared the reliability of three techniques used for 3D measurement of human remain in the field: grid technique (GT), total station (TS), and MicroScribe (MS). We measured 365 field osteometric points on 12 skeletal sequences excavated at the Late Medieval/Early Modern churchyard in Vs. eruby, Czech Republic. We compared intra-observer, inter-observer, and inter-technique variation using mean difference (MD), mean absolute difference (MAD), standard deviation of difference (SDD), and limits of agreement (LA). All three measuring techniques can be used when accepted error ranges can be measured in centimeters. When a range of accepted error measurable in millimeters is needed, MS offers the best solution. TS can achieve the same reliability as does MS, but only when the laser beam is accurately pointed into the center of the prism. When the prism is not accurately oriented, TS produces unreliable data. TS is more sensitive to initialization than is MS. GT measures human skeleton with acceptable reliability for general purposes but insufficiently when highly accurate skeletal data are needed. We observed high inter-technique variation, indicating that just one technique should be used when spatial data from one individual are recorded. Subadults are measured with slightly lower error than are adults. The effect of maximum excavated skeletal length has little practical significance in field recording. When MS is not available, we offer practical suggestions that can help to increase reliability when measuring human skeleton in the field. Workplace Institute of Vertebrate Biology Contact Hana Slabáková, slabakova@ivb.cz, Tel.: 543 422 524 Year of Publishing 2013
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