/// // //

Mehmet Gültaş


mehmet gültaş vesikalık


Office: B203-B

Phone: +90 312 210 5962

Email: mehmetgultas@gmail.com


LinkedIn profile


Web Site


Ph.D., Industrial/Organizational Psychology, Middle East Technical University, ongoing

M.S., Industrial/Organizational Psychology, Middle East Technical University, 2011-2014

B.S., Psychology, Middle East Technical University, 1998-2003


  • Item response theory applications in test development
  • Faking and response distortion in self-report personality and attitude assessment

Toker, Y, & Gültaş, M. (2018). STEM Interest Complexity Inventory Short Form With IRT and DIF Applications. Journal of Carreer Assessment. https://doi.org/10.1177/1069072717748645


Brannick, M. T., & Gültaş, M. (2017). Cross-Hairs: A scatterplot for meta-analysis in R. Research Synthesis Methods, 8, 53-63. https://doi.org/10.1002/jrsm.1220


Gültaş, M., Toker, Y., Sumer, H. C., & Sumer, N. (2017, April). Item response theory analysis of the Big Five Inventory. Poster presented at the 32nd Annual Conference of Society for Industrial and Organizational Psychology, Orlando, Florida, USA.


Toker, Y., & Gültaş, M. (2016, April). An Item Response Theory application to shorten and validate the STEM Interest Complexity Measure. Online full paper repository of the Annual Meeting of the American Educational Research Association, Washington, DC.


Gültaş, M. & Toker, Y. (2015, July). Work discipline compound personality scale development with item response theory. Poster presented at the 14th European Congress of Psychology, Milan, Italy.

ODTÜ Geliştirme Vakfı Süreli Bilimsel Yayın Makale Ödülü