Dr. Raphael Hartmann
Dr. Raphael Hartmann successfully completed the SMiP program. Since February 2021 he holds a postdoctoral researcher position at the University of Freiburg.
Primary Advisor: Prof. Dr. Andrea Kiesel (University of Freiburg)
Additional Supervisors: Prof. Dr. Christoph Klauer, Prof. Jeffrey Rouder, Ph.D.
Dissertation Proposal: Response time extended multinominial processing trees – implementation in R, evaluation, model comparison, and validation
Research Areas
- Multinomial Processing Tree Models
- Item Response Theory
Teaching (SMIP)
- Workshop „Multinomial processing tree models with reaction times“ (together with Karl Christoph Klauer)
Publications
Hartmann, R. (2021). Facilitating the use of and extending the RT-MPT model class (unpublished doctoral dissertation). University of Freiburg, Freiburg.
Hartmann, R., Johannsen, L., & Klauer, K.C. (2020). rtmpt: An R package for fitting response-time extended multinomial processing tree models. Behavior Research Methods, 52, 1313–1338. https://doi.org/10.3758/s13428–019-01318-x
Hartmann, R., & Klauer, K. C. (2020). Extending RT-MPTs to enable equal process times. Journal of Mathematical Psychology, 96, 102340. https://doi.org/10.1016/j.jmp.2020.102340
Talks
Hartmann, R. , Klauer, K. C., & Johannsen, L. (2019). Response time extended multinomial processing trees in R. In 50th Meeting of the European Mathematical Psychology Group (EMPG), Heidelberg.
Hartmann, R. (2019, June). Response time extended multinomial processing tree (RT-MPT) models in R. Talk given at the 34th IOPS/
SMiP Summer Conference, Utrecht, the Netherlands. Posters
Hartmann, R. (2018, March 11–14). Recovering Rasch model parameters when the true latent traits are not normally distributed: Comparison of Bayesian and likelihood-based approaches [Poster presentation]. 60. Tagung experimentell arbeitender Psychologen, Marburg, Germany.