Document Detail


Toward a universal law of generalization for psychological science.
MedLine Citation:
PMID:  3629243     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A psychological space is established for any set of stimuli by determining metric distances between the stimuli such that the probability that a response learned to any stimulus will generalize to any other is an invariant monotonic function of the distance between them. To a good approximation, this probability of generalization (i) decays exponentially with this distance, and (ii) does so in accordance with one of two metrics, depending on the relation between the dimensions along which the stimuli vary. These empirical regularities are mathematically derivable from universal principles of natural kinds and probabilistic geometry that may, through evolutionary internalization, tend to govern the behaviors of all sentient organisms.
Authors:
R N Shepard
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  237     ISSN:  0036-8075     ISO Abbreviation:  Science     Publication Date:  1987 Sep 
Date Detail:
Created Date:  1987-10-06     Completed Date:  1987-10-06     Revised Date:  2007-03-19    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1317-23     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Behavior*
Humans
Mathematics
Models, Psychological*
Probability
Psychology*
Science*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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