Precision, speed, and distraction in time-limit tests

Pieters, Jo P. M.
Van der Ven, Ad H. G. S.
1982
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Precision, speed, and distraction in time-limit tests

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1982

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Three models are presented that account for the effects of speed and precision in mental test scores as measured by time-limit intelligence tests. To estimate precision, it is shown that the Rasch model- and, as a special case, the binomial error model -can be used, focusing on the number of items correct and the number of items attempted (usually considered as estimators of these effects). To estimate speed, a model called the Poisson-Erlang model is presented. It is shown that speed can be analyzed into two components: processing time and distraction time. Parameters of the Poisson-Erlang model are used to estimate these components. An outline is given of a new method for analyzing time-limit tests, combining the different models. In addition, it is shown that the Poisson-Erlang model can be used to account for response latencies commonly observed in mental concentration tests.

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Applied Psychological Measurement, Volume 06, 1982

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Pieters, Jo P & Van der Ven, Ad H. (1982). Precision, speed, and distraction in time-limit tests. Applied Psychological Measurement, 6, 93-109. doi:10.1177/014662168200600110

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Pieters, Jo P. M.; Van der Ven, Ad H. G. S.. (1982). Precision, speed, and distraction in time-limit tests. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/101370.

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