A moving average model for sequenced reaction-time data |
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Authors: | Joseph B Kadane Jill H Larkin Richard H Mayer |
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Institution: | Carnegie-Mellon University USA;University of California, Santa BarbaraUSA |
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Abstract: | Reaction times are often collected in order to study the durations of hypothesized subprocesses. In many important cases, reaction times are collected for a sequence of tasks in which the processing for one task is a subset of the processing required for the next in the sequence. Data of this sort have been analyzed by multiple-regression methods. Here we propose a more sophisticated moving average model for such data. We show that ordinary multiple-regression methods produce estimates that are consistent, but not efficient, and that the usual R2 statistic may provide a misleading impression of goodness of fit. One consequence of the suggested statistical model is that it allows the same quantity of data to be used to fit a psychological model to a larger range of tasks. |
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Keywords: | Correspondence concerning the article should be sent to the first author Department of Statistics Carnegie-Mellon University Pittsburgh PA 15213 |
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