Generalizations of the Race Model Inequality

Gondan, Matthias and Blurton, Steven P. (2013) Generalizations of the Race Model Inequality. MULTISENSORY RESEARCH, 26 (1-2). pp. 95-122. ISSN 2213-4794,

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Abstract

In redundant signals tasks, participants respond in the same way to two different stimuli which are presented either alone or in combination (redundant stimuli). Responses to redundant stimuli are typically faster than responses to single stimuli. Different explanations account for such redundancy gains, including race models and coactivation models. Race models predict that the cumulative response time distribution for the redundant stimuli never exceeds the summed distributions of the single stimuli (race model inequality, RMI, Miller, 1982). Based on work by Townsend and Nozawa (1995) we demonstrate that the RMI is a special case of a more general interaction contrast of response time distributions for stimuli of different intensity, or stimuli presented with onset asynchrony. The generalization of the RMI is, thus, suited for a much wider class of experiments than the standard setup in which response times for single stimuli are compared to those for double stimuli. Moreover, predictions can be derived not only for the race model, but for serial, parallel, and coactive processing modes with different stopping rules. Compared to the standard RMI, statistical power of these interaction contrasts is satisfactory, even for small onset asynchronies.

Item Type: Article
Uncontrolled Keywords: REACTION-TIME; DIVIDED ATTENTION; REDUNDANT-SIGNALS; STATISTICAL FACILITATION; SELECTIVE INFLUENCE; TASK PERFORMANCE; ONSET ASYNCHRONY; RESPONSE-TIME; DUAL-TASK; PARALLEL; Multisensory processes; mental architecture; response time models
Subjects: 100 Philosophy & psychology > 150 Psychology
Divisions: Human Sciences > Institut für Psychologie > Lehrstuhl für Psychologie I (Allgemeine Psychologie I und Methodenlehre) - Prof. Dr. Mark W. Greenlee
Depositing User: Dr. Gernot Deinzer
Date Deposited: 28 Apr 2020 12:55
Last Modified: 28 Apr 2020 12:55
URI: https://pred.uni-regensburg.de/id/eprint/17375

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