Results 51 to 60 of about 55,007 (198)

Задачи оценивания параметров модели IRT [PDF]

open access: yes, 2016
В данной работе в рамках подхода IRT рассматривается задача оценивания способностей людей. Были выполнены две реализации метода оценивания CML и рассмотрено расширение задачи оценивания способностей людей, а именно случай неполного дизайна.
Kovryga Valeriia   +1 more
core  

Application of Alternative IRT models to IRT Assumption Violation

open access: yesInternational Journal of Engineering and Technology
The purpose of this study is to investigate the most appropriate alternative IRT parameter estimation models among bi-factor model, testlet based model, and second-order IRT model when the IRT assumptions are not met. A simulation study was conducted to compare the alternative IRT parameter estimation models when the assumptions are unsatisfied. First,
Yoon Jiyoung, Lee Yoonsun
openaire   +1 more source

Psychometrics With R: A Review Of CRAN Packages For Item Response Theory [PDF]

open access: yes, 2013
In this paper we review the current state of R packages for Item Response Theory (IRT). We group the available packages based on their purpose and provide an overview of each package's main functionality.
Mair, Patrick   +2 more
core  

A Bayesian Beta-Mixture Model for Nonparametric IRT (BBM-IRT)

open access: yesJournal of Modern Applied Statistical Methods, 2018
Item response models typically assume that the item characteristic (step) curves follow a logistic or normal cumulative distribution function, which are strictly monotone functions of person test ability. Such assumptions can be overly-restrictive for real item response data.
Ethan A. Arenson, George Karabatsos
openaire   +2 more sources

Assessing the Impact of Characteristics of the Test, Common-items, and Examinees on the Preservation of Equity Properties in Mixed-format Test Equating [PDF]

open access: yes, 2014
Preservation of equity properties was examined using four equating methods - IRT True Score, IRT Observed Score, Frequency Estimation, and Chained Equipercentile - in a mixed-format test under a common-item nonequivalent groups (CINEG) design.
Wolf, Raffaela
core  

Adaptive Low-Overhead Channel Estimation Tracking in RIS-Assisted Systems

open access: yesIEEE Access
Efficient channel estimation is paramount for realizing the performance potential of Reconfigurable Intelligent Surface (RIS)-assisted wireless networks.
Hamidreza Khaleghi, Stephane Paquelet
doaj   +1 more source

Pancreatitis-Associated Protein in Neonatal Screening for Cystic Fibrosis: Strengths and Weaknesses

open access: yesInternational Journal of Neonatal Screening, 2020
There are currently four countries and one local region in Europe that use PAP in their newborn screening programme. The first country to employ PAP at a national level was the Netherlands, which started using IRT/PAP/DNA/EGA in 2011. Germany followed in
Olaf Sommerburg, Jutta Hammermann
doaj   +1 more source

Psychometric properties of the general conspiracy belief scale using item response theory

open access: yesJurnal Penelitian dan Evaluasi Pendidikan
Evaluation of the psychometric properties of conspiracy theory belief instruments has been dominated by classical approaches with limitations, especially in dependence on sample size and inaccuracies in item-level analysis.
Sumin Sumin   +2 more
doaj   +1 more source

Burnout IRT

open access: yes
Data and analysis for an IRT investigation into Burnout among esports ...
Dylan R Poulus, Benjamin T. Sharpe
core   +8 more sources

Developing an instrument to measure students' anti-corruption character using modern test theory

open access: yesJurnal Penelitian dan Evaluasi Pendidikan
This research aims to 1) develop an instrument construct to measure anti-corruption character (integrity), 2) test the quality of the developed integrity instrument, and 3) character profile of economics and accounting students at universities in ...
Ema Rachmawati, Siswanto Siswanto
doaj   +1 more source

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