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Restitution of ability and difficulty from decision-making: The metrology of human-based perceptions
RISE - Research Institutes of Sweden. (National Metrology Institute)ORCID iD: 0000-0003-4349-500x
Modus Outcomes plc, UK.
Charité - University Medicine Berlin, Germany.
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2018 (English)In: Measurement at the Crossroads: History,philosophy and sociology of measurement, Paris, 2018Conference paper, Oral presentation with published abstract (Refereed)
Abstract [en]

Fundamental reappraisal of metrology, beyond superficial analogies with traditional measurement instruments, is needed if ordinal properties – such as ‘counted fractions’ (bounded by zero and one), performance metrics for ability tests, customer satisfaction, etc - are to be included in an extended quantity calculus for a new SI. Regarding a human being (or other ‘probe’) as a Measurement Instrument with Rasch measurement theory (i.e., postulating a Generalised Linear Model link function z = θ – δ, of a ‘probe’ attribute θ and a ‘target’ attribute δ) not only handles ordinal properties of the measurement system response, Psuccess, but also attribute separability in restitution; essential to underpinning measurement traceability and uncertainty. Examples from person-centred care (e.g., of Alzheimer ’s disease patients) will demonstrate causal Rasch models relating task difficulty and patient ability to explanatory variables such as test sequence entropy and brain atrophy, thereby enabling novel certified reference materials for traceability.

Place, publisher, year, edition, pages
Paris, 2018.
National Category
Other Medical Sciences
Identifiers
URN: urn:nbn:se:ri:diva-34284OAI: oai:DiVA.org:ri-34284DiVA, id: diva2:1235494
Conference
Measurement at the Crossroads: History, philosophy and sociology of measurement,27 – 29 June 2018
Projects
EURAMET EMPIR 15HLT04 NeuroMet
Funder
EU, Horizon 2020, EMPIR 15HLT04Available from: 2018-07-26 Created: 2018-07-26 Last updated: 2019-01-22Bibliographically approved

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https://measurement2018.sciencesconf.org/resource/page/id/7#Panel7

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Pendrill, LeslieMelin, Jeanette

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