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Dergiler / Eğitimde ve Psikolojide Ölçme ve Değerlendirme Dergisi / 2026 / Volume: 16 Issue: 2

The Impact of Item Position on Item Parameters: A Multi-Method Approach

Kübra Atalay Kabasakal(Hacettepe Üniversitesi, Eğitim Fakültesi)0000-0002-3580-5568
Nuri Doğan(HACETTEPE UNIVERSITY)0000-0001-6274-2016
Sayfa
—
Yayın Tarihi
2025-06-30
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

The findings indicate that the psychometric properties of test items can differ significantly depending on their order within the test, highlighting the importance of considering item order effects in test design and interpretation.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:Multiple-choice tests are widely favored in large scale assessments and classroom evaluations due to their practicality and efficiency.
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Temel Bulgular & Veri:However, such variations can affect student performance across different test forms.
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Sonuç & Katkı:The findings indicate that the psychometric properties of test items can differ significantly depending on their order within the test, highlighting the importance of considering item order effects in test design and interpretation.
🔬Tür:Modelleme & Sayısal Simülasyon
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:item order · position effects · explanatory item response model

Abstract

Multiple-choice tests are widely favored in large scale assessments and classroom evaluations due to their practicality and efficiency. Their ease of administration and scoring makes multiple-choice tests highly practical, but they also come with disadvantages, such as the potential for cheating and the possibility of guessing the correct answer. To reduce the risk of cheating, it is common practice to administer multiple versions of a test with items arranged in different orders. However, such variations can affect student performance across different test forms. For instance, students who begin with the most difficult items may feel discouraged at the start of the test. Additionally, the psychometric properties of test items may vary across different test forms where the same items are arranged in different orders. This study aims to examine the impact of this phenomenon on the estimation of test item psychometric properties. The study sample consists of 8TH grade students in Türkiye who took a national exam for high school admission. Data from three different subtests in four different booklets of this exam were analyzed. Item parameters were estimated using both classical test and item response theory and were compared across different test forms using the same items. Furthermore, the varying item positions were incorporated into a explanatory item response theory and structural equation model as a explanatory variable. The findings indicate that the psychometric properties of test items can differ significantly depending on their order within the test, highlighting the importance of considering item order effects in test design and interpretation.

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Bu Makaleye Atıf Yap

Kabasakal, K. A., Doğan, N. (2025). The Impact of Item Position on Item Parameters: A Multi-Method Approach. Eğitimde ve Psikolojide Ölçme ve Değerlendirme Dergisi, Volume: 16 Issue: 2. https://doi.org/10.21031/epod.1661135

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