Farshad Effatpanah Hesari, M.A.

Forschungsschwerpunkte

• Educational and Psychological Measurement
• Quantitative Research Methods
• Test Validiation and Scaling
• Item Response Theory
• Rasch Model
• Diagnostic Classification Models

Publikationen

Book

Baghaei, P., & Effatpanah, F. (2022). Elements of psychometrics (2nd Ed.). Mashhad, Iran: Sokhan Gostar  
Publishing.

Book Chapter

Baghaei, P., & Effatpanah, F. (2023). An alternative strategy for modelling local item dependence in C-tests. In N. Dobric, H. Cesnik, & C. Harsch (Eds.), Festschrift in honour of Guenther Sigott: Advanced methods in language testing (pp. 153–164). Frankfurt/am: Peter Lang.
 

Articles

2026
Effatpanah, F., Noroozi, S., & Chen, Y.-H (2026). Using parametric logistic item response theory model trees to detect differential item functioning in a high-stakes reading comprehension test. International Journal of Testing. doi.org/10.1080/15305058.2026.2639761

Effatpanah, F., Kunina-Habenicht, O., Hornung, C., Bernard, S., & Sonnleitner, P. (2026). Optimizing large-scale mathematical assessments: Leveraging hierarchical attribute structures and diagnostic classification models for enhanced student diagnostics. Educational Measurement: Issues and Practice, 45(2), e70016. doi.org/10.1111/emip.70016

Effatpanah, F., Ravand, H., Abdi Tabari, M., Chen, Y.-H., & Kunina-Habenicht, O. (2026). How do L2 writing subskills interact hierarchically? Insights from diagnostic classification models. Assessing Writing, 68, 101029. doi.org/10.1016j.asw.2026.101029

Effatpanah, F., Schmitt, M., Kunina-Habenicht, O., & Doebler, P. (2026). Investigating differential item functioning of the simplified Beck Depression Inventory using partial credit tree model. Measurement and Evaluation in Counseling and Development, 59(2), 208–231. doi.org/10.1080/07481756.2025.2540341

2025
Ravand, H., Shahi, R., Effatpanah, F., & Moghadamzadeh, A. (2025). Measuring cognitive levels in high-stakes testing: A cognitive diagnostic modeling analysis of a university entrance examination using Bloom’s Taxonomy. Frontiers in Education, 10, 1644811. doi.org/10.3389/feduc.2025.1644811

Ravand, H., Effatpanah, F., Kunina-Habenicht, O., & Madison, M. J. (2025). A didactic illustration of writing skill growth through a longitudinal diagnostic classification model. Frontiers in Psychology, 15, 1521808. doi.org/10.3389/fpsyg.2024.1521808

Effatpanah, F., Ravand, H., & Doebler, P. (2025). Differential item functioning analysis of Likert scales: An overview and demonstration of rating scale tree model. Psychological Reports. Advance Online Publication. doi.org/10.1177/00332941241308806

Effatpanah, F., Baghaei, P., Ravand, H., & Kunina-Habenicht, O. (2024). Fitting the mixed Rasch model to the listening comprehension section of the IELTS: Identifying latent class differential item functioning in L2 listening comprehension. International Journal of Testing, 25(1), 50–89. doi.org/10.1080/15305058.2024.2414423

Effatpanah, F., Baghaei, P., Tabatabaee-Yazdi, M., & Babaii, E. (2024). A new scoring method for item response theory analysis of C-Tests. Language Testing, 42(2), 167–192. doi.org/10.1177/02655322241265350

Ravand, H., Effatpanah, F., Ma, W., de la Torre, J., Baghaei, P., & Kunina-Habenicht, O. (2024). Exploring interrelationships among L2 writing subskills: Insights from cognitive diagnostic models. Applied   Measurement in Education, 37(4), 329–355. doi.org/10.1080/08957347.2024.2424550

2024
Baghaei, P., & Effatpanah, F. (2024). Nonparametric kernel smoothing item response theory analysis of Likert items. Psych, 6(1), 236–260. doi.org/10.3390/psych6010015

Effatpanah, F., & Baghaei, P. (2024). Examining the dimensionality of linguistic features in L2 writing using the Rasch measurement model. Educational Methods & Practice, 2, 9. URL: emp-open.de/Full_text

Effatpanah, F., Baghaei, P., & Karimi, M. N. (2024). A mixed Rasch model analysis of multiple profiles in L2 writing. Assessing Writing, 59, 100803. doi.org/10.1016/j.asw.2023.100803

2023
Effatpanah, F., & Baghaei, P. (2023). Kernel smoothing item response theory in R: A didactic. Practical Assessment, Research, and Evaluation, 28(7), 1–26. Available at: scholarworks.umass.edu/pare/vol28/iss1/7

2022
Effatpanah, F., & Baghaei, P. (2022b). Exploring rater quality in rater-mediated assessment using the non-parametric item characteristic curve estimation. Psychological Test and Assessment Modeling, 64(3), 216–252. URL: www.psychologie-aktuell.com/fileadmin/Redaktion/Journale/ptam_2022-3/PTAM__3-2022_2_kor.pdf

Effatpanah, F., & Baghaei, P. (2022a). Evaluating different scoring methods for the speeded cloze-elide test: The application of the Rasch partial credit model. The Quantitative Methods for Psychology, 18(3), 241–254. doi.org/10.20982/tqmp.18.3.p241

2021
Effatpanah, F., & Baghaei, P. (2021). Cognitive components of writing in a second language: An analysis with the linear logistic test model. Psychological Test and Assessment Modeling, 63(1), 13–44. URL: www.psychologie-aktuell.com/journale/search/ergebnis.html

2019
Effatpanah, F., Baghaei, P., & Boori, A. A. (2019). Diagnosing EFL learners’ writing ability: A diagnostic classification modeling analysis. Language Testing in Asia, 9(12), 1–23. doi.org/10.1186/s40468-019-0090-y

Effatpanah, F. (2019). Application of cognitive diagnostic models to the listening section of the International English Language Testing System (IELTS). International Journal of Language Testing, 9(1), 1–28. URL: www.ijlt.ir/article_114295.html

Konferenzbeiträge, Symposien und Kolloquien

2026
Effatpanah, F., Kunina-Habenicht, O., & Baghaei, P. (2026, Accepted). Applying mixture IRT models to a high-stakes reading comprehension test to detect L2 reader profiles [Conference presentation]. The Second Scandinavian Applied Measurement Conference (SAMC). University of Copenhagen, Copenhagen, Denmark.

Baghaei, F., Effatpanah, F., & Strietholt, R. (2026, Accepted). Applying a Rasch tree approach to identify DIF in the Bullying Scale of PIRLS 2021 [Conference presentation]. The Second Scandinavian Applied Measurement Conference (SAMC). University of Copenhagen, Copenhagen, Denmark.

Effatpanah, F., & Garcia, M. L. (2026, Accepted). Parametric logistic IRT model tree approach to detecting DIF in high-stakes reading comprehension tests [Conference presentation]. International Test Commission (ITC) Conference. University of Auckland, Auckland, New Zealand.

Effatpanah, F., & Ravand, H. (2026, April 15–17). Teacher-mediated peer feedback and EFL writing development: A longitudinal diagnostic classification modeling approach [Conference presentation]. The 9th International Conference of the Association of Language Testers in Europe (ALTE), Munich, Germany.

Effatpanah, F. (2026, April 8–12). Does answer option positioning lead to DIF in reading comprehension? An analysis with parametric logistic item response theory model trees [Rasch measurement virtual poster session, i-presentation]. Annual Meeting of American Educational Research Association (AERA). Los Angeles, California, U.S.A.

2025
Effatpanah, F. (2025, November 5–6). Participant. LuxERA Emerging Researchers’ Conference, Luxembourg University, Luxembourg.

Effatpanah, F., Ravand, H., Kunina-Habenicht, O., & Ma, W. (2025, September 28–October 1). Differential item functioning in polytomous diagnostic classification models: An extension of the sequential G-DINA model [Conference presentation]. The 17th Conference of the Methods & Evaluation Section of the German Psychological Society (DGPs), Freie Universität Berlin, Berlin, Germany.

Effatpanah, F., Kunina-Habenicht, O., Bernard, S., & Sonnleitner, P. (2025, September 3–4). Enhancing large-scale mathematical assessments: Integrating cognitive diagnostic models with hierarchical attribute structures for improved student diagnostics [Conference presentation]. The Frontier Research in Educational Measurement (FREMO). Center for Educational Measurement (CEMO), University of Oslo, Oslo, Norway.

Effatpanah, F. (2025, July 22–25). Investigating differential item functioning of the reading comprehension section of a high stakes test across booklet and gender: An analysis with recursive partitioning Rasch tree [Conference presentation]. The European Congress of Methodology. University of La Laguna, Tenerife, Canary Islands, Spain.

Effatpanah, F. (2025, June 25–27). Using Rasch tree to investigate differential item functioning of the eTIMSS 2019 science test [Poster presentation]. The 11th IEA International Research Conference (IEA IRC), Roma Tre University, Rome, Italy.

Kunina-Habenicht, O., & Effatpanah, F. (2025, April 25). Symposium on recent developments and applications of cognitive diagnostic models in educational measurement. Annual Meeting of National Council on Measurement in Education (NCME). Denver, Colorado, U.S.A.

Ravand, H., Effatpanah, F., Kunina-Habenicht, O., & Madison, M. J. (2025, April 25). Exploring fine-grained writing subskill development with the growth diagnostic classification model [Symposium presentation]. Recent developments and applications of cognitive diagnostic models in educational measurement. Annual Meeting of National Council on Measurement in Education (NCME). Denver, Colorado, U.S.A.

2024
Effatpanah, F., Schmitt, M., & Kunina-Habenicht, O. (2024, July 16–19). Investigating measurement invariance of the Simplified Beck Depression Inventory using rating scale tree model [Conference presentation]. International Meeting of the Psychometric Society (IMPS), Prague University of Economics and Business, Prague, Czech Republic.

Effatpanah, F., & Kunina-Habenicht, O. (2024, July 3). A cognitive diagnostic assessment of a large-scale mathematics test: What skills have Luxemborgian students mastered? [Colloquium presentation]. Bildung Schule Inklusion (b-ink) Kolloquium [Education School Inclusion (b-ink) colloquium], TU Dortmund University, Dortmund, Germany.

Effatpanah, F., & Kunina-Habenicht, O. (2024, February 28). Cognitive diagnostic models at a glance: The theoretical foundations and practical applications [Symposium presentation]. Symposium on Mathematic Assessments and Advanced Psychometric Applications & Challenges. TU Dortmund University, Dortmund, Germany.

2022
Tabatabaee-Yazdi, M., Effatpanah, F., & Baghaei, P. (2022, November 9–11). Comparing different scaling methods for C-Tests [Conference presentation]. The 19th International TELLSI Conference. University of Birjand, Birjand, Iran.

Effatpanah, F., & Baghaei, P. (2022, May 17–18). Graphical Kernel smoothing item response theory analysis for rater monitoring: The case of writing assessment [Conference presentation]. The 4th Conference on Interdisciplinary Approaches to Language Teaching, Literature, and Translation Studies. Ferdowsi University of Mashhad, Mashhad, Iran.