An expert-novice comparison of feature choice
Date
2020
Authors
Robson, S.G.
Searston, R.A.
Edmond, G.
McCarthy, D.
Tangen, J.M.
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Journal article
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Applied Cognitive Psychology, 2020; 34(5):984-995
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Samuel G. Robson, Rachel A. Searston, Gary Edmond, Duncan J. McCarthy, Jason M. Tangen
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Abstract
Perceptual experts have learned to rapidly and accurately perceive the structural regularities that define categories and identities within a domain. They extract important features and their relations more efficiently than novices. We used fingerprint examination to investigate expert–novice differences in feature choice. On each fingerprint within our set, experts and novices selected one feature they thought was most useful for distinguishing a particular print and one feature theythought was least useful. We found that experts and novices often differed in thefeatures they chose, and experts tended to agree more with each other. However,any such expert–novice difference appeared to depend on the image at hand typically emerging when salient or more conspicuous features of a fingerprint were unclear. We suggest that perceptual training ought to direct attention to useful features with the understanding that what is useful may change depending on the clarity of the stimuli.
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© 2020 John Wiley & Sons, Ltd.