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Dergiler / Eğitimde ve Psikolojide Ölçme ve Değerlendirme Dergisi / 2026 / Volume: 8 Issue: 1

Basit ve Karmaşık Test Desenlerinde Çok Boyutlu Madde Seçme Yöntemlerinin Karşılaştırılması

A Comparison of Multidimensional Item Selection Methods in Simple and Complex Test Designs

Eren Halil Özberk(HACETTEPE UNIV)
Selahattin Gelbal(HACETTEPE UNIV)
Sayfa
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Yayın Tarihi
2017-04-03
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

Model karmaşıklaştıkça Kullback-Leibler madde seçme yönteminin diğer iki yöntemden daha iyi performans gösterdiği belirlenmiştir.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:Bu araştırmada diğer araştırmaların aksine toplam yetenek puanları gerçek test koşullarına uygun olacak şekilde farklı test koşullarında karşılaştırılmıştır (basit ve karmaşık).
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Temel Bulgular & Veri:Veri setleri, üretilen madde ve yetenek parametreleri ve M3PL telafi edici çok boyutlu madde tepki kuramı modeli kullanılarak belirlenen korelasyonlara bağlı kalarak üretilmiştir.
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Sonuç & Katkı:Model karmaşıklaştıkça Kullback-Leibler madde seçme yönteminin diğer iki yöntemden daha iyi performans gösterdiği belirlenmiştir.
🔬Tür:Modelleme & Sayısal Simülasyon
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Item selection method · multidimensional computer adaptive testing · multidimensional item response theory

Özet

Bu araştırmada diğer araştırmaların aksine toplam yetenek puanları gerçek test koşullarına uygun olacak şekilde farklı test koşullarında karşılaştırılmıştır (basit ve karmaşık). Araştırmada test deseni, boyut başına düşen soru sayısı, boyutlar arası korelasyon ve madde seçme yöntemleri olmak üzere dört koşul manipüle edilmiştir. Veri setleri, üretilen madde ve yetenek parametreleri ve M3PL telafi edici çok boyutlu madde tepki kuramı modeli kullanılarak belirlenen korelasyonlara bağlı kalarak üretilmiştir. Çok boyutlu bireyselleştirilmiş bilgisayarlı test uygulamaları sonucu elde edilen toplam yetenek puanları mutlak yanlılık (ABSBIAS), korelasyon ve hata kareleri ortalamasının karekökü (RMSE) kullanılarak karşılaştırılmıştır. Sonuçlar incelendiğinde çok boyutlu test deseni, boyut başına düşen madde sayısı ve boyutlar arası korelasyon değişkenlerinin toplam puanları kestirmede madde seçme yöntemleri üzerinde etkilerinin olduğu belirlenmiştir. Basit yapıdaki bir test için Minimum Hata Varyansı madde seçme yönteminin hem uzun hem de kısa testler için en düşük mutlak yanlılık değerinin ürettiği belirlenmiştir. Model karmaşıklaştıkça Kullback-Leibler madde seçme yönteminin diğer iki yöntemden daha iyi performans gösterdiği belirlenmiştir.

Abstract

Multidimensional computer adaptive testing (MCAT) is capable of measuring multiple dimensions efficiently by using multidimensional IRT (MIRT) applications. There have been several research studies about MCAT item selection methods to improve the overall ability score estimations accuracy. According to the literature review it has been found that most studies focused on comparing item selection methods in many conditions except for the structure of test design. In contrast with the previous studies, this study employed various test design (simple and complex) which allows the evaluation of the overall ability score estimations across multiple real test conditions. In this study, four factors were manipulated, namely the test design, number of items per dimension, correlation between dimensions and item selection methods. Using the generated item and ability parameters, dichotomous item responses were generated in by using M3PL compensatory multidimensional IRT model with specified correlations. MCAT composite ability score accuracy was evaluated using absolute bias (ABSBIAS), correlation and the root mean square error (RMSE) between true and estimated ability scores. The results suggest that the multidimensional test structure, number of item per dimension and correlation between dimensions had significant effect on item selection methods for the overall score estimations. For simple structure test design it was found that V1 item selection has the lowest absolute bias estimations for both long and short test while estimating overall scores. As the model gets complex KL item selection method performed better than other two item selection method.

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Bu Makaleye Atıf Yap

Özberk, E. H., Gelbal, S. (2017). Basit ve Karmaşık Test Desenlerinde Çok Boyutlu Madde Seçme Yöntemlerinin Karşılaştırılması. Eğitimde ve Psikolojide Ölçme ve Değerlendirme Dergisi, Volume: 8 Issue: 1. https://doi.org/10.21031/epod.286956

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