Dr. Raphael Hartmann

• Multinomial Processing Tree Models
• Item Response Theory

• Workshop „Multinomial processing tree models with reaction times“ (together with Karl Christoph Klauer)

Hartmann, R., Meyer-Grant, C. G., & Klauer, K. C. (in press). An adaptive rejection sampler for sampling from the Wiener diffusion model. Behavior Research Methods.

Hartmann, R. (2021). Facilitating the Use of and Extending the RT-MPT Model Class (Unpublished doctoral dissertation). University of Freiburg, Freiburg.

Hartmann, R. & Klauer, K. C. (2021). Partial derivatives for the first-passage time distribution in Wiener diffusion models. Journal of Mathematical Psychology, 103, 102550. https://doi.org/10.1016/j.jmp.2021.102550

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

Hartmann, R., Klauer, K. C., & Johannsen, L. (2019, August). Response time extended multinomial processing trees in R [Talk]. 50^th Meeting of the European Mathematical Psychology Group (EMPG). Heidelberg, Germany.

Hartmann, R. (2019, June). Response time extended multinomial processing tree (RT-MPT) models in R [Talk]. 34^th IOPS/SMiP Summer Conference. Utrecht, the Netherlands.

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.