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Updated: Jun 14, 2026

Using the Race Model Inequality to Quantify Behavioral Multisensory Integration Effects
Published on: May 10, 2019
The race model inequality for censored reaction time distributions
Stefan Rach1, Adele Diederich, Rike Steenken
1Department of Psychology, University of Oldenburg, Oldenburg, Germany. stefan.rach@uni-oldenburg.de
Abstract:
The race model inequality (RMI) introduced in Miller (1982) puts an upper limit on the amount of reaction time facilitation within the redundant-signals paradigm that is consistent with a race model. Here, it is shown through theoretical analysis and numerical simulation that inferences from the RMI test may become invalid when the experimenter misses a proportion of the responses by limiting the recording interval (right censoring) or excluding outliers from analysis (left and/or right censoring). Moreover, a correction of the inequality test for right-censored reaction time distributions is proposed.
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