Combining Speed and Accuracy in Cognitive Psychology: Is the Inverse Efficiency Score (IES) a Better Dependent Variable than the Mean Reaction Time (RT) and the Percentage Of Errors (PE)?
Experiments in cognitive psychology usually return two dependent variables: the percentage of errors and the reaction time of the correct responses. Townsend and Ashby (1978, 1983) proposed the inverse efficiency score (IES) as a way to combine both measures and, hence, to provide a better summary o...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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Ubiquity Press
2011-02-01
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| Series: | Psychologica Belgica |
| Online Access: | http://www.psychologicabelgica.com/articles/53 |