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Exploring a New Application of Construct Specification Equations (CSEs) and Entropy: A Pilot Study with Balance Measurements
Swedish Defence University, Institutionen för ledarskap och ledning, Leadership and Command & Control Division Karlstad. Measurement Science and Technology Unit, Division of Safety and Transport, RISE Research Institutes of Sweden, Gothenburg.ORCID iD: 0000-0002-3700-3921
Community Medicine and Rehabilitation, Physiotherapy, Umeå University, Umeå, (SWE).
Department of Health Sciences, Lund University, Lund, (SWE).ORCID iD: 0000-0001-7552-6486
Division of Geriatric Medicine, Skåne University Hospital, (SWE).
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2023 (English)In: Entropy, E-ISSN 1099-4300, Vol. 25, no 6Article in journal (Refereed) Published
Abstract [en]

Both construct specification equations (CSEs) and entropy can be used to provide a specific, causal, and rigorously mathematical conceptualization of item attributes in order to provide fit-for-purpose measurements of person abilities. This has been previously demonstrated for memory measurements. It can also be reasonably expected to be applicable to other kinds of measures of human abilities and task difficulty in health care, but further exploration is needed about how to incorporate qualitative explanatory variables in the CSE formulation. In this paper we report two case studies exploring the possibilities of advancing CSE and entropy to include human functional balance measurements. In case study I, physiotherapists have formulated a CSE for balance task difficulty by principal component regression of empirical balance task difficulty values from Berg’s Balance Scale transformed using the Rasch model. In case study II, four balance tasks of increasing difficulty due to diminishing bases of support and vision were briefly investigated in relation to entropy as a measure of the amount of information and order as well as physical thermodynamics. The pilot study has explored both methodological and conceptual possibilities and concerns to be considered in further work. The results should not be considered as fully comprehensive or absolute, but rather open up for further discussion and investigations to advance measurements of person balance ability in clinical practice, research, and trials.

Place, publisher, year, edition, pages
2023. Vol. 25, no 6
Keywords [en]
task difficulty, metrology, validation, Rasch model
National Category
Learning
Research subject
Leadership and Command & Control
Identifiers
URN: urn:nbn:se:fhs:diva-12020DOI: 10.3390/e25060940OAI: oai:DiVA.org:fhs-12020DiVA, id: diva2:1819088
Available from: 2023-12-13 Created: 2023-12-13 Last updated: 2023-12-18Bibliographically approved

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Melin, Jeanette

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