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Showing that the race model inequality is not violated

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When participants are asked to respond in the same way to stimuli from different sources (e. g., auditory and visual), responses are often observed to be substantially faster when both stimuli are presented simultaneously (redundancy gain). Different models account for this effect, the two most important being race models and coactivation models. Redundancy gains consistent with the race model have an upper limit, however, which is given by the well-known race model inequality (Miller, 1982). A number of statistical tests have been proposed for testing the race model inequality in single participants and groups of participants. All of these tests use the race model as the null hypothesis, and rejection of the null hypothesis is considered evidence in favor of coactivation. We introduce a statistical test in which the race model prediction is the alternative hypothesis. This test controls the Type I error if a theory predicts that the race model prediction holds in a given experimental condition. © 2011 Psychonomic Society, Inc.
OriginalsprogEngelsk
TidsskriftBehavior Research Methods
Vol/bind44
Udgave nummer1
Sider (fra-til)248-255
Antal sider8
ISSN1554-351X
DOI
StatusUdgivet - mar. 2012

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