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Journal of Experimental Psychology: Human Perception and Performance
 

Summary: Journal of Experimental Psychology:
Human Perception and Performance
1982, Vol. 8, No. 6, 834-864
Copyright 1982 by the American Psychological Association, Inc.
0096-1523/82/0806-0834S00.75
Experimental Test of Contemporary Mathematical
Models of Visual Letter Recognition
James T. Townsend
Purdue University
F. Gregory Ashby
Ohio State University
A letter confusion experiment that used brief durations manipulated payoffs
across the four stimulus letters, which were composed of line segments equal in
length. The observers were required to report the features they perceived as well
as to give a letter response. The early feature-sampling process is separated from
the later letter-decision process in the substantive feature models, and predictions
are thus obtained for the frequencies of feature report as well as letter report.
Four substantive visual feature-processing models are developed and tested
against one another and against three models of a more descriptive nature. The
substantive models predict the decisional letter report phase much better than

  

Source: Ashby, F. Gregory - Department of Psychology, University of California at Santa Barbara

 

Collections: Biology and Medicine; Computer Technologies and Information Sciences