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Fakultät Rehabilitationswissenschaften

Farshad Effatpanah Hesari, M.A.


E-Mail: farshad.effatpanah@tu-dortmund.de

Fa­kul­tät Re­ha­bili­ta­tions­wissen­schaf­ten

Fach­ge­biet Psychologische Diagnostik

Telefon: (+49)231 755-5502


Sprechzeiten nach Ver­ein­ba­rung

Adresse: Emil-Figge-Str. 50 | Raum

© Farshad Effatpanah Hesari​/​ TU Dortmund
Farshad Effatpanah Hesari, M.A.


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



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.


Ravand, H., Effatpanah, F., Baghaei, P., de la Torre, J., & Ma, W. (under review). What cognitive diagnostic modeling reveals about the interrelationships among writing sub-skills?

Baghaei, P., & Effatpanah, F. (under review). Nonparametric kernel smoothing item response theory analysis of Likert items.

Effatpanah, F., Baghaei, P., & Ravand, H. (under review). Fitting the mixed Rasch model to the listening comprehension section of the IELTS: Identifying latent class differential item functioning in L2 listening comprehension.

Effatpanah, F., Tabatabaee-Yazdi, M., Baghaei, P., & Babaii, E. (under review). A comparison of different scoring strategies for C-tests.

Effatpanah, F., Baghaei, P., & Karimi, M. N. (2024). A mixed Rasch model analysis of multiple profiles in L2 writing. Assessing Writing, 59, 1˗15. https://doi.org/10.1016/j.asw.2023.100803.

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: https://scholarworks.umass.edu/pare/vol28/iss1/7.

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. https://doi.org/10.20982/tqmp.18.3.p241.

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:https://www.psychologie-aktuell.com/fileadmin/Redaktion/Journale/ptam_2022-3/PTAM__3-2022_2_kor.pdf.

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:https://www.psychologie-aktuell.com/journale/psychological-test-and-assessment-modeling/currently-available.html.

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. https://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:https://www.ijlt.ir/article_114295.html.



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

Presenter: Farshad Effatpanah

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

Presenter: Farshad Effatpanah


Weitere Informationen


M.A. in Teaching English as a Foreign Language (TEFL), Islamic Azad University, Mashhad Branch, Mashhad, Iran.

Master Thesis Topic: Cognitive Diagnostic Assessment of Iranian EFL University Students’ Writing Ability: Selecting the Best Model.

2013 - 2017

B.A. in Teaching English as a Foreign Language (TEFL), Islamic Azad University, Mashhad Branch, Mashhad, Iran.

Membership to Association

  • ALTE (Association of Language Testers in Europe), U.K., (March  2022-present)

Journal Editing and Reviewing Acitivities

16-17 February 2023

Cognitive Diagnostic Modeling. Methods Center at the University of Tübingen, Tübingen, Germany.

5-6 September 2018

Innovations in Classroom Practice (ICP). Tabaran Institute of Higher Education, Mashhad, Iran.

3 May 2018

Applied Linguistics: Past, Present, and Future Horizons. Isfahan University, Isfahan, Iran.

3 May 2018

Against Dogma: Translation in the Language Classroom. Isfahan University, Isfahan, Iran.

9 February 2018

Structural Equation Modeling, Islamic Azad University of Mashhad, Mashhad, Iran.