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Scoring the sum of correlated results in analytical proficiency testing

Thompson, Michael (2010) Scoring the sum of correlated results in analytical proficiency testing. Analytical Methods 7 , pp. 976-977. ISSN 1759-9660.

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Official URL: http://dx.doi.org/10.1039/C0AY00108B

Abstract

In proficiency tests the participants' results are usually converted into scores. In some schemes the participants are required to report the sum of the concentrations of a number of analytes and this total also is converted into a score. In such instances the scoring procedure for the total should be mathematically consistent with that for the separate analytes. When these analytes are determined from a single test portion, however, the errors in the results from a participant are likely to be correlated because some stages of the analysis are common to all of the analytes. For a consistent outcome, the scoring method must take account of such correlation.

Item Type: Article
Additional Information: Technical note
School or Research Centre: Birkbeck Schools and Research Centres > School of Science > Biological Sciences
Depositing User: Administrator
Date Deposited: 13 Jun 2011 09:24
Last Modified: 17 Apr 2013 12:33
URI: http://eprints.bbk.ac.uk/id/eprint/3436

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