Statistical properties of staircase estimates |
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| Authors: | Richard M. Rose Davida Y. Teller Paula Rendleman |
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| Affiliation: | 1. Department of Psychology, University of Washington, 98105, Seattle, Washington
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| Abstract: | The bias and variability of staircase estimators were studied by means of repeated computer simulations of staircase runs. Both forced-choice and yes-no staircases were simulated. The influence of the shape of the psychometric function, the location and spacing of the stimuli, the number of trials in a run, and the method of deriving the estimate from the data are discussed. The forced-choice staircase is compared to the yes-no staircase, and the limitations of the simulation procedure are outlined. |
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