Výsledky vyhledávání - "Robert A. Chalmers"

Investigating Confidence Intervals of Item Parameters When Some Item Parameters Take Priors in the 2PL and 3PL Models

Autor: Insu Paek, Zhongtian Lin, Robert Philip Chalmers

Publikováno v: Educational and Psychological Measurement. 83:375-400

To reduce the chance of Heywood cases or nonconvergence in estimating the 2PL or the 3PL model in the marginal maximum likelihood with the expectation-maximization (MML-EM) estimation method, priors for the item slope parameter in the 2PL model or fo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9bc7771c284e4c2294159554be4c9bed
https://doi.org/10.1177/00131644221096431

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Secukinumab efficacy in reducing the severity and the psychosocial impact of moderate‐to‐severe psoriasis as assessed by the Simplified Psoriasis Index: results from the IPSI‐PSO study

Autor: Robert J.G. Chalmers, Selim Aractingi, M. Ruer-Mulard, P. Auquier, M.P. Konstantinou, Michel Richard, Pascal Joly, M.L. Augustin, E. Mahé, B. Pelvet, J.-P. Lacour

Publikováno v: Journal of the European Academy of Dermatology and Venereology

Background The utility of the Simplified Psoriasis Index (SPI), a recently developed multidomain tool for assessing psoriasis, was investigated in a study assessing response to secukinumab. Methods In an open‐label, multicentre study involving 17 F

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db1a1abb44f07f141a5286c61f20f78d
https://doi.org/10.1111/jdv.16893

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A note on computing Louis’ observed information matrix identity for IRT and cognitive diagnostic models

Autor: Robert Philip Chalmers, Chen Wei Liu

Publikováno v: British Journal of Mathematical and Statistical Psychology. 74:118-138

Using Louis' formula, it is possible to obtain the observed information matrix and the corresponding large-sample standard error estimates after the expectation-maximization (EM) algorithm has converged. However, Louis' formula is commonly de-emphasi

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https://doi.org/10.1111/bmsp.12207

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Global implementation of the world health organization's International Classification of Diseases (ICD)‐11: The allergic and hypersensitivity conditions model

Publikováno v: Allergy. 75:2206-2218

The International Classification of Diseases (ICD) provides a common language for use worldwide as a diagnostic and classification tool for epidemiology, clinical purposes and health management. Since its first edition, the ICD has maintained a frame

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a59bf00d7b77d4081ed5c05a1c10c094
https://doi.org/10.1111/all.14468

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An interdisciplinary approach to high school curriculum development: Swarming Powered by Neuroscience

Autor: Elise Buckley, Joseph D. Monaco, Kevin M. Schultz, Robert W. Chalmers, Armin Hadzic, Kechen Zhang, Grace M. Hwang, M. Dwight Carr

This article discusses how to create an interactive virtual training program at the intersection of neuroscience, robotics, and computer science for high school students. A four-day microseminar, titled Swarming Powered by Neuroscience (SPN), was con

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http://arxiv.org/abs/2109.05545

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A Reevaluation of the Simplified Psoriasis Index (SPI) Using the Thai Language Version: A Study Examining the Validity, Reliability, and Interpretability of SPI When Used in Translation

Autor: Waranaree Winayanuwattikun, Leena Chularojanamontri, Christopher E.M. Griffiths, Robert J.G. Chalmers, Chanisada Wongpraparut

Publikováno v: Journal of Psoriasis and Psoriatic Arthritis. 5:32-39

Background: The Simplified Psoriasis Index (SPI) is a summary measure of psoriasis for current severity (SPI-s), psychosocial impact (SPI-p), and past history and interventions (SPI-i). Two complementary versions are available, differing only in that

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https://doi.org/10.1177/2475530319892196

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Developing an international standard for the classification of surface anatomic location for use in clinical practice and epidemiologic research

Autor: H. Peter Soyer, Matthew A. Molenda, Katherine A. Kenneweg, Robert J.G. Chalmers, Michael Weichenthal, Allan C. Halpern

Publikováno v: J Am Acad Dermatol

Background There is currently no universally adopted terminology for defining human surface anatomic location. The lack of precision, accuracy, and reliability of terms used by health care providers, in particular dermatologic surgeons, is unsatisfac

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https://doi.org/10.1016/j.jaad.2018.08.035

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Why has it taken so long to develop an internationally agreed means of recording body surface location?

Autor: Robert J.G. Chalmers

Publikováno v: Chalmers, R 2020, ' Why has it taken so long to develop an internationally agreed means of recording body surface location? ', European Academy of Dermatology and Venereology. Journal, vol. 34, no. 11, pp. 2456-2457 . https://doi.org/10.1111/jdv.16978

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https://doi.org/10.1111/jdv.16978

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Use of ontology structure and Bayesian models to aid the crowdsourcing of ICD-11 sanctioning rules

Autor: Mark A. Musen, Yun Lou, Tania Tudorache, Robert J.G. Chalmers, Samson W. Tu, Csongor Nyulas

Publikováno v: Lou, Y, Tu, S W, Nyulas, C, Tudorache, T, Chalmers, R J G & Musen, M A 2017, ' Use of ontology structure and Bayesian models to aid the crowdsourcing of ICD-11 sanctioning rules ', Journal of Biomedical Informatics, vol. 68, pp. 20-34 . https://doi.org/10.1016/j.jbi.2017.02.004

Display Omitted We defined crowdsourcing microtasks to obtain ICD-11 sanctioning rules.We used hierarchical structures to improve the efficiency of crowdsourcing.We used Bayesian networks to model our confidence in the acquired sanctioning rules.We d

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https://doi.org/10.1016/j.jbi.2017.02.004

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Interventions for guttate psoriasis

Autor: Teresa O'Sullivan, Christopher E.M. Griffiths, C. M. Owen, Robert J.G. Chalmers

Publikováno v: The Cochrane Library

Background Guttate psoriasis is a distinctive acute form of psoriasis which characteristically occurs in children and young adults. Very little specific evidence-based guidance is available in standard texts to help make rational decisions about trea

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https://doi.org/10.1002/14651858.cd001213.pub2

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