Results 11 to 20 of about 2,195,556 (319)

Large‐Scale Psychometric Assessment and Validation of the Modified COVID‐19 Yorkshire Rehabilitation Scale Patient‐Reported Outcome Measure for Long COVID or Post‐COVID Syndrome [PDF]

open access: yesJ Med Virol
ABSTRACT The C19‐YRS was the first condition‐specific for long COVID/post‐COVID syndrome. Although the original C19‐YRS evolved to the modified version (C19‐YRSm) based on psychometric evidence, clinical content relevance, as well as feedback from patients and healthcare professionals, it has not been validated through Rasch analysis. The study aim was
Horton M   +23 more
europepmc   +2 more sources

Anchor selection strategies for DIF analysis: Review, assessment, and new approaches [PDF]

open access: yes, 2013
Differential item functioning (DIF) indicates the violation of the invariance assumption for instance in models based on item response theory (IRT). For item-wise DIF analysis using IRT, a common metric for the item parameters of the groups that are to ...
Kopf, Julia   +2 more
core   +1 more source

Unicystic ameloblastoma of the mandible clinical case presentation and literature review

open access: yesMexican Journal of Medical Research ICSA, 2014
Ameloblastoma is a neoplastic lesion that in its early stages does not present signs or symptoms; ages more common in which occurs this lesion are between 20 to 30 years of age, it has no predilection by any gender; their formation can be derived ...
Almallely De la Paz López   +4 more
doaj   +1 more source

A new method for detecting differential item functioning in the Rasch model [PDF]

open access: yes, 2010
Differential item functioning (DIF) can lead to an unfair advantage or disadvantage for certain subgroups in educational and psychological testing. Therefore, a variety of statistical methods has been suggested for detecting DIF in the Rasch model.
Kopf, Julia   +2 more
core   +2 more sources

Child depression in patients with cancer

open access: yesMexican Journal of Medical Research ICSA, 2014
Depression is characterized by a set of symptoms such as sadness, irritability, loss of interest, fatigue, feelings of ineptitude and guilt, insomnia, suicidal thoughts, loss of appetite, weight loss, and difficulty concentrating, etc.
Georgina Romo-Hernández   +4 more
doaj   +1 more source

The Use of Loglinear Models for Assessing Differential Item Functioning Across Manifest and Latent Examinee Groups [PDF]

open access: yes, 1990
Loglinear latent class models are used to detect differential item functioning (DIF). These models are formulated in such a manner that the attribute to be assessed may be continuous, as in a Rasch model, or categorical, as in Latent Class Mastery models.
Kelderman, Henk, Macready, George B.
core   +4 more sources

C-BORD project: “Effective container inspection at BORDer control points”

open access: yesEPJ Web of Conferences, 2017
In the framework of the C-BORD project of the H2020 programme to provide a safety chain for container inspection at border control points, CEA-DAM is involved to develop an identification method of Special Nuclear Material. Using active interrogation the
Etilé Asénath   +4 more
doaj   +1 more source

Anchor methods for DIF detection: A comparison of the iterative forward, backward, constant and all-other anchor class [PDF]

open access: yes, 2013
In the analysis of differential item functioning (DIF) using item response theory (IRT), a common metric is necessary to compare item parameters between groups of test-takers.
Kopf, Julia   +2 more
core   +1 more source

Accounting for speckle-scale beam bending in classical ray tracing schemes for propagating realistic pulses in indirect drive ignition conditions

open access: yesMatter and Radiation at Extremes, 2023
We propose a semi-analytical modeling of smoothed laser beam deviation induced by plasma flows. Based on a Gaussian description of speckles, the model includes spatial, temporal, and polarization smoothing techniques, through fits coming from ...
C. Ruyer   +6 more
doaj   +1 more source

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