Commentary on Jacobs and Michaels (2001): calibration and perceptual learning in event perception. |
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Authors: | G P Bingham D S McConnell M M Muchisky |
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Institution: | Department of Psychology, 1101 East Tenth Street, Indiana University, Bloomington, IN 47405, USA. gbingham@indiana.edu |
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Abstract: | Jacobs and Michaels (2001) have argued that increased precision in judgments of the viewing distance to a perceived event should be attributed in part to perceptual learning. They found that observers used feedback to attune to the appropriate information variables gradually. McConnell, Muchisky, and Bingham (1998) had found that observers used feedback to calibrate event-specific scaling coefficients, that the calibration of one type of event generalized to other types, and that calibration occurred suddenly. We argue that Jacobs and Michaels must be partially correct and that, in our experiments, both calibration and perceptual attunement were required for accurate and precise judgments. |
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