Tugay Kaçak

Tugay Kaçak

PhD Candidate | Educational Measurement and Evaluation

Hacettepe University, Ankara, Turkey

I am a PhD candidate in Educational Measurement and Evaluation at Hacettepe University. My research focuses on psychometrics, factor analysis methods, exploratory factor analysis, and educational assessment. I am particularly interested in developing and validating measurement instruments and exploring methodological issues in educational research.

Research Interests

  • Educational Measurement and Evaluation
  • Measurement and Psychometrics
  • Factor Analysis Methods
  • Educational Assessment

Education

📚 Publications

Peer-Reviewed Journal Articles

Kaçak, T., Temurtaş, A., & Kılıç, A. F. (2025)

The Role of Cross-Loadings in Factor Retention: Insights from Monte Carlo Simulations

Psihologija

https://doi.org/10.2298/PSI250410050K

Kaçak, T., & Kılıç, A. F. (2025)

Factor extraction in exploratory factor analysis for ordinal indicators: Is principal component analysis the best option?

International Journal of Assessment Tools in Education, 12(1), 113-130

https://doi.org/10.21449/ijate.1481201

Kaçak, T., & Kılıç, A. F. (2024)

The effects of missing data handling methods on reliability coefficients: A Monte Carlo simulation study

Eğitimde ve Psikolojide Ölçme ve Değerlendirme Dergisi, 2, 166-182

https://doi.org/10.21031/epod.1485482

Kılıç, A. F., Acar Güvendir, M., Güler, G., & Kaçak, T. (2024)

Examining the wording effect: What are we measuring?

Measurement: Interdisciplinary Research and Perspectives, 1-17

https://doi.org/10.1080/15366367.2024.2329505

Aydoğdu, M. Z., Kılıç, A. F., & Kaçak, T. (2025)

Investigation of Mathematics Teacher Candidates' Problem Solving and Problem Posing Abilities: The Mediating Role of Belief and Self-Efficacy

Pamukkale University Journal of Education Accepted

Aydoğdu, M. Z., Türk Kurtça, T., & Kaçak, T.

The Role of Value on Mathematics Between Self-Efficacy and Like Mathematics: A Moderated Mediation Analysis

Sakarya University Journal of Education Accepted

Ekici, G., & Kaçak, T.

Easing the Burden: How Teacher Self-Efficacy Mediates the Association Between Occupational Stress and Job Satisfaction? International Evidence from PISA2022

Journal of Teacher Education and Lifelong Learning Accepted

Book Chapters

Kaçak, T. (2025)

İlk Okuma ve Yazma Öğretiminde Ölçme ve Değerlendirme

In: 2024 Türkiye Yüzyılı Maarif Modeli Öğretim Programına Uygun İlk Okuma Yazma Öğretimi (Eds: Coşkun, İ. & Kadıoğlu-Ateş, H.), pp. 247-274. Vizetek Yayıncılık

Kaçak, T. (2025)

JASP'ın Kurulumu, Veri Girişi ve Betimsel İstatistikler (2nd ed.)

In: JASP ile İstatiksel Analiz: Uygulamalı Bir Rehber (Eds: Acar-Güvendir, M. & Kılıç, A.F.), pp. 1-31. Pegem Akademi

Kaçak, T. (2024)

JASP'ın Kurulumu, Veri Girişi ve Betimsel İstatistikler

In: JASP ile İstatiksel Analiz: Uygulamalı Bir Rehber (Eds: Acar-Güvendir, M. & Kılıç, A.F.), pp. 1-31. Pegem Akademi

Under Review

Kaçak, T.

Invariance of Like Reading and Reading Self-Efficacy Scales in PIRLS 2021 Across Subgroups: Evidence from Psychometric Networks

Under Review

Kaçak, T., & Kılıç, A. F.

To What Extent Interfactor Correlations Effect on Factor Retention Methods' Performances

Under Review

Kaçak, T., & Kılıç, A. F.

Structing Psychopathology: A Stress-Test of Factor Retention Methods in Complex Hierarchical Methods

Assessment Under Review

Kaçak, T., Kılıç, A. F., & Doğan, N.

Comparison of Factor Retention Methods: Is Exploratory Graph Analysis Suitable for Mixed-Format Data

Methodology Under Review | Also presented as virtual poster at AERA 2025

Kaçak, T.

Dimensionality Assessment of Ordinal Items with the Combination of Common Factor Retention Methods

Under Review

Kaçak, T., & Kılıç, A. F.

The Impact of Correlated Errors on Reliability Coefficients

Applied Measurement in Education Under Review

Kaçak, T.

Evaluating Measurement Invariance of Students' Positive and Negative Beliefs Towards ICT in ICILS2023: MGCFA and Alignment Optimization Approach

Under Review

Kaçak, T.

Exploratory Bi-factor Analysis with Ordinal Data

Journal of Measurement and Evaluation in Education and Psychology Revision

Kaçak, T., & Aktaş, M.

Q-Matrix Validation in the Presence of Missing Data: A Simulation-Based Comparison of Multiple Imputation Methods

Under Review

Güler, G., Acar Güvendir, M., Kılıç, A. F., Aktaş, M., & Kaçak, T.

The Differential Impact of Lottery Incentives on Measurement Outcomes in Paper-and-Pencil vs. Online Assessments

Current Psychology Under Review

Güler, G., Acar Güvendir, M., Kılıç, A. F., Aktaş, M., & Kaçak, T.

Does Item Wording Effect Change the Psychometric Properties of a Scale? An Investigation with the Warwick-Edinburgh Mental Well-Being Scale

Journal of Survey Statistics and Methodology Major Revision

🔗 Resources

Turkish Version of Operational Span Test (OST)

A validated Turkish adaptation of the Operational Span Test for measuring working memory capacity.

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