Results 61 to 70 of about 720,756 (326)

Gaussian variational estimation for multidimensional item response theory.

open access: yesBritish Journal of Mathematical & Statistical Psychology, 2020
Multidimensional item response theory (MIRT) is widely used in assessment and evaluation of educational and psychological tests. It models the individual response patterns by specifying a functional relationship between individuals' multiple latent ...
April E Cho   +3 more
semanticscholar   +1 more source

Impact of Metastatic Patterns on Survival and Response to Therapy in Neuroblastoma

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background While the presence of metastases in neuroblastoma (NB) is a well‐established prognostic factor, the clinical significance of dissemination patterns and tumour burden and their impact on response and survival remains poorly understood.
Mariona Morell‐Daniel   +15 more
wiley   +1 more source

Item response theory in educational assessment and evaluation

open access: yesMesure et Évaluation en Éducation, 2008
Item response theory provides a useful and theoretically well-founded framework for educational measurement. It supports such activities as the construction of measurement instruments, linking and equating measurements, and evaluation of test bias and ...
Cees A.W. Glas
doaj   +1 more source

The Schizotypal Ambivalence Scale: An Item Response Theory Analysis

open access: yesBehavioral Sciences, 2022
Ambivalence has a prominent role in the historical formulations of schizotypy and schizophrenia, as well as borderline personality disorder. However, it has been overlooked by our current diagnostic nomenclature.
Lauren B. Deters   +2 more
doaj   +1 more source

The Role of Chemotherapy in Pediatric Myoepithelial Carcinoma: A Systematic Review of the Literature

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Myoepithelial carcinoma (MEC) in pediatric patients is a rare and aggressive malignancy characterized by heterogeneous morphology and variable molecular features. The optimal role of chemotherapy remains unclear. We conducted a systematic review according to PRISMA 2020 guidelines to evaluate chemotherapy in pediatric and young‐adult patients ...
Marco Salvi   +7 more
wiley   +1 more source

Students’ proficiency scores within multitrait item response theory

open access: yesPhysical Review Special Topics. Physics Education Research, 2015
In this paper we present a series of item response models of data collected using the Force Concept Inventory. The Force Concept Inventory (FCI) was designed to poll the Newtonian conception of force viewed as a multidimensional concept, that is, as a ...
Terry F. Scott, Daniel Schumayer
doaj   +1 more source

When less is more: reducing redundancy in mental health and psychosocial instruments using Item Response Theory

open access: yesCambridge Prisms: Global Mental Health, 2020
BackgroundThere is a need for accurate and efficient assessment tools that cover a range of mental health and psychosocial problems. Existing, lengthy self-report assessments may reduce accuracy due to respondent fatigue.
Emily E. Haroz   +5 more
doaj   +1 more source

Effectiveness of Resistance Intradialytic Exercise Compared to Aerobic Intradialytic Exercise for Patients With Chronic Kidney Disease: A Randomized Controlled Clinical Trial

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Patients with chronic kidney disease undergoing hemodialysis commonly experience reduced physical function, fatigue, poor sleep quality, and impaired health‐related quality of life. Intradialytic exercise has been proposed as a non‐pharmacological strategy to improve these outcomes.
Klebson da Silva Almeida   +6 more
wiley   +1 more source

Modeling Composite Assessment Data Using Item Response Theory

open access: yesCPT: Pharmacometrics & Systems Pharmacology, 2018
Composite assessments aim to combine different aspects of a disease in a single score and are utilized in a variety of therapeutic areas. The data arising from these evaluations are inherently discrete with distinct statistical properties.
Sebastian Ueckert
doaj   +1 more source

Item Response Theory for Efficient Human Evaluation of Chatbots

open access: yesEVAL4NLP, 2020
Conversational agent quality is currently assessed using human evaluation, and often requires an exorbitant number of comparisons to achieve statistical significance.
João Sedoc, L. Ungar
semanticscholar   +1 more source

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