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Using a Regression Method for Estimating Performance in a Rapid Serial Visual Presentation Target-Detection Task

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Technical Report,01 May 2016,31 Oct 2017

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US Army Research Laboratory Aberdeen Proving Ground United States

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Estimating target-detection performance in the rapid serial visual presentation RSVP target-detection paradigm can be challenging when the interstimulus interval is small relative to the variability in human response time. The challenge arises because assigning a particular response to the correct image cannot be done with certainty. Existing solutions to this challenge establish a heuristic for assigning responses to images and thereby determining which responses are hits and which are false alarms. We developed a regression-based method for estimating hit rate and false-alarm rate that corrects for expected errors in a likelihood-based assignment of responses to stimuli. Simulations show that this regression method results in an unbiased and accurate estimate of target detection performance. The regression method had lower estimation error than 3 existing methods, and, in contrast to the existing methods, the errors made by the regression method do not depend strongly on the true values of hit rate and false-alarm rate. Based on its better estimation of hit rate and false-alarm rate, the regression method proposed here appears to be the best choice when estimating the hit rate and false-alarm rate is the primary interest.

Subject Categories:

  • Active and Passive Radar Detection and Equipment

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