Profile

* The following is a list of methodological publications in the past five years. Please see CV for the full list of publications.

Kasli, M., Zopluoglu, C., & Toton, S. (2023). A Deterministic Gated Lognormal Response Time Model to Identify Examinees with Item Preknowledge. Journal of Educational Measurement, 60(1), 148-169. https://doi.org/10.1111/jedm.12340

Wang J., Combs T., Zopluoglu C. (2022). Fitting hyperbolic cosine unfolding models using the Stan Language. Journal of Applied Measurement, 23(1/2), 61-73.

Zopluoglu, C., Kasli, M., & Toton, S. (2021). The Effect of Item Preknowledge on Response Time: Analysis of Two Datasets Using the Multiple-Group Lognormal Response Time Model with a Gating Mechanism. Educational Measurement: Issues and Practices, 40(3), 42-51. https://doi.org/10.1111/emip.12428

Patel, Z.S., Jensen-Doss, A. & Zopluoglu, C (2021). Illustrating the Applicability of IRT to Implementation Science: Examining an Instrument of Therapist Attitudes. Administration and Policy in Mental Health Services Research, 48, 921-935.

Park, S.E., Ahn, S., & Zopluoglu, C. (2021). Differential item functioning effect size from the multigroup confirmatory factor analysis for a meta-analysis: A simulation study.Educational and Psychological Measurement,81(1), 182-199. https://doi.org/10.1177/0013164420925885

Zopluoglu, C. (2020). A Finite mixture item response theory model for continuous measurement outcomes. Educational and Psychological Measurement, 80(2), 346–364.https://doi.org/10.1177/0013164419856663

Zopluoglu, C. (2019). Computation of response similarity index M4 in R under the dichotomous and nominal item response models. International Journal of Assessment Tools in Education, 6 (5), 1-19. https://doi.org/10.21449/ijate.527299

Zopluoglu, C. (2019). Detecting examinees with item preknowledge in large-scale testing using Extreme Gradient Boosting (XGBoost). Educational and Psychological Measurement, 79(5), 931–961. https://doi.org/10.1177/0013164419839439

Sideridis, G.D., & Zopluoglu, C. (2018). Validation of response similarity analysis for the detection of academic cheating: An experimental study. Journal of Applied Measurement, 19(1), 59-75.