Multidimensional Computerized Adaptive Testing Simulations in R

Computerized Adaptive Testing (CAT) is a beneficial test technique that decreases the number of items that need to be administered by taking items in accordance with individuals' own ability levels. After the CAT applications were constructed based on the unidimensional Item Response Theory (IR...

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Main Authors: Şeref Tan, Fazilet Gül İnce Aracı
Format: Article
Language:English
Published: izzet kara 2022-03-01
Series:International Journal of Assessment Tools in Education
Subjects:
Online Access:https://dergipark.org.tr/tr/download/article-file/1684252
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author Şeref Tan
Fazilet Gül İnce Aracı
author_facet Şeref Tan
Fazilet Gül İnce Aracı
author_sort Şeref Tan
collection DOAJ
description Computerized Adaptive Testing (CAT) is a beneficial test technique that decreases the number of items that need to be administered by taking items in accordance with individuals' own ability levels. After the CAT applications were constructed based on the unidimensional Item Response Theory (IRT), Multidimensional CAT (MCAT) applications have gained momentum with the improvement of multidimensional IRT (MIRT) models in recent years. Researchers often benefit from simulation studies in order to design the final adaptive testing application and to test the effectiveness of adaptive testing applications they developed with different methods. Recently, R has become one of the most widely used programming languages in Monte Carlo Simulation studies since it is a free and open-source software. The aims of this study are to present the MCAT simulation process step by step in the R environment, to examine the effects of the conditions that researchers can handle during the simulation process according to two different dimensional models, and to examine the effect of treating multidimensional structures as unidimensional structures on simulation results. In this direction, datasets generated in accordance with within-item dimensionality and between-item dimensionality models, MCAT simulation studies were constructed with different customizations, and MCAT simulation results were compared with unidimensional CAT simulation results. All commands required for each simulation example were explained and results were shared for each condition.
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spelling doaj-art-d12b8f4eceaa4bec86ceb143d8abba112025-08-20T02:13:15Zengizzet karaInternational Journal of Assessment Tools in Education2148-74562022-03-019111813710.21449/ijate.909616618Multidimensional Computerized Adaptive Testing Simulations in RŞeref Tan0https://orcid.org/0000-0002-9892-3369Fazilet Gül İnce Aracı1https://orcid.org/0000-0001-5620-6911GAZİ ÜNİVERSİTESİGAZİ ÜNİVERSİTESİ, GAZİ EĞİTİM FAKÜLTESİComputerized Adaptive Testing (CAT) is a beneficial test technique that decreases the number of items that need to be administered by taking items in accordance with individuals' own ability levels. After the CAT applications were constructed based on the unidimensional Item Response Theory (IRT), Multidimensional CAT (MCAT) applications have gained momentum with the improvement of multidimensional IRT (MIRT) models in recent years. Researchers often benefit from simulation studies in order to design the final adaptive testing application and to test the effectiveness of adaptive testing applications they developed with different methods. Recently, R has become one of the most widely used programming languages in Monte Carlo Simulation studies since it is a free and open-source software. The aims of this study are to present the MCAT simulation process step by step in the R environment, to examine the effects of the conditions that researchers can handle during the simulation process according to two different dimensional models, and to examine the effect of treating multidimensional structures as unidimensional structures on simulation results. In this direction, datasets generated in accordance with within-item dimensionality and between-item dimensionality models, MCAT simulation studies were constructed with different customizations, and MCAT simulation results were compared with unidimensional CAT simulation results. All commands required for each simulation example were explained and results were shared for each condition.https://dergipark.org.tr/tr/download/article-file/1684252computerized adaptive testingmultidimensionalrmcatsimulationcomputerized adaptive testingmultidimensionalrmcatsimulation
spellingShingle Şeref Tan
Fazilet Gül İnce Aracı
Multidimensional Computerized Adaptive Testing Simulations in R
International Journal of Assessment Tools in Education
computerized adaptive testing
multidimensional
r
mcat
simulation
computerized adaptive testing
multidimensional
r
mcat
simulation
title Multidimensional Computerized Adaptive Testing Simulations in R
title_full Multidimensional Computerized Adaptive Testing Simulations in R
title_fullStr Multidimensional Computerized Adaptive Testing Simulations in R
title_full_unstemmed Multidimensional Computerized Adaptive Testing Simulations in R
title_short Multidimensional Computerized Adaptive Testing Simulations in R
title_sort multidimensional computerized adaptive testing simulations in r
topic computerized adaptive testing
multidimensional
r
mcat
simulation
computerized adaptive testing
multidimensional
r
mcat
simulation
url https://dergipark.org.tr/tr/download/article-file/1684252
work_keys_str_mv AT sereftan multidimensionalcomputerizedadaptivetestingsimulationsinr
AT faziletgulincearacı multidimensionalcomputerizedadaptivetestingsimulationsinr