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NCJ Number: 250707 Find in a Library
Title: Statistical Method to Construct Confidence Sets on Carrion Insect Age from Development Stage
Author(s): Lynn R. LaMotte; Amanda L. Roe; Jeffrey D. Wells; Leon G. Higley
Date Published: 2017
Page Count: 13
Sponsoring Agency: National Institute of Justice (NIJ)
Washington, DC 20531
Grant Number: 2013-DN-BX-K042, 2010-DN-BX-K231
Document: HTML
Type: Program/Project Description; Report (Grant Sponsored); Report (Study/Research); Research (Applied/Empirical)
Format: Article; Document (Online)
Language: English
Country: United States of America
Annotation: This article reports on the application of exact p values, first developed for succession data, to construct a confidence set on a carrion insect’s age based only on its development stage.
Abstract: The age of a carrion insect associated with a corpse may represent a minimum postmortem interval. No method has been proposed before for constructing a confidence set on age based on development stage modeled as a categorical response. The current work uses published development data for Lucilia sericata, with individuals reared at different temperatures pooled into sets of similar age as indexed in accumulated degree hours. Rates of coverage of true ages, assessed using each insect as a singleton holdout sample, were greater than the nominal 95 percent. (Publisher abstract modified)
Main Term(s): Forensic sciences
Index Term(s): Death investigations; Investigative techniques; Mathematical modeling; National Institute of Justice (NIJ); NIJ grant-related documents; Statistical analysis; Time of death determination
To cite this abstract, use the following link:
http://www.ncjrs.gov/App/publications/abstract.aspx?ID=272876

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