rtmpt: An R package for fitting response-time extended multinomial processing tree models

Response-time extended multinomial processing tree models (RT-MPT; Klauer and Kellen, Journal of Mathematical Psychology, 82 , 111–130 2018 ) provide estimates of process-completion times for cognitive processes modeled by means of multinomial processing tree (MPT) models (Batchelder and Riefer, Psy...

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Veröffentlicht in:Behavior Research Methods 2020-06, Vol.52 (3), p.1313-1338
Hauptverfasser: Hartmann, Raphael, Johannsen, Lea, Klauer, Karl Christoph
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Sprache:eng
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Zusammenfassung:Response-time extended multinomial processing tree models (RT-MPT; Klauer and Kellen, Journal of Mathematical Psychology, 82 , 111–130 2018 ) provide estimates of process-completion times for cognitive processes modeled by means of multinomial processing tree (MPT) models (Batchelder and Riefer, Psychonomic Bulletin & Review, 6 , 57–86 1999 ). We present the R package rtmpt with which it is possible to fit RT-MPT models easily. The package is free and open source, it can be used with two established MPT syntaxes, and has a number of useful features, such as suppressing process-completion times for specific process outcomes, holding process probabilities constant, and changing some prior parameters. In the background of the R package, an altered version of the original C++ code is used for the MCMC sampling. We provide a guide to using rtmpt, validate the underlying hierarchical Bayesian algorithm of rtmpt using simulation-based calibration and show that previously reported results can be reproduced using rtmpt.
ISSN:1554-3528
1554-3528
DOI:10.3758/s13428-019-01318-x