Difference between revisions of "Stochastic matching and the voluntary nature of choice"

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* <section begin=author />Neuringer, A., Jensen, G., & Piff, P.<section end=author />
 
* <section begin=year />2007<section end=year />
[[keyname::2007-Neuringer]]
* <section begin=ref />[[Stochastic matching and the voluntary nature of choice|Neuringer 2007]]<section end=ref />
[[author::Neuringer, A.]]
* <section begin=title />[[Stochastic matching and the voluntary nature of choice]]<section end=title />
[[author::Jensen, G.]]
* <section begin=source />''Journal of the Experimental Analysis of Behavior'', 88, 1-28<section end=source />
[[author::Piff, P.]]
* <section begin=abstract />Attempts to characterize voluntary behavior have been ongoing for thousands of years. We provide experimental evidence that judgments of volition are based upon distributions of responses in relation to obtained rewards. Participants watched as responses, said to be made by "actors," appeared on a computer screen. The participant's task was to estimate how well each actor represented the voluntary choices emitted by a real person. In actuality, all actors' responses were generated by algorithms based on Baum’s (1979) generalized matching function. We systematically varied the exponent values (sensitivity parameter) of these algorithms: some actors matched response proportions to received reinforcer proportions, others overmatched (predominantly chose the highest-valued alternative), and yet others undermatched (chose relatively equally among the alternatives). In each of five experiments, we found that the matching actor's responses were judged most closely to approximate voluntary choice. We found also that judgments of high volition depended upon stochastic (or probabilistic) generation. Thus, stochastic responses that match reinforcer proportions best represent voluntary human choice.<section end=abstract />
[[year::2007]]
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[[cite/author::Neuringer 2007]]
* <section begin=response-list />{{response-ref|Response:2007-Neuringer.1}}<section end=response-list />
[[title::Stochastic matching and the voluntary nature of choice]]
[[published in::Journal of the Experimental Analysis of Behavior]]
[[cite/source::''Journal of the Experimental Analysis of Behavior'', 88, 1-28]]
 
<call func=smw.let.echo key=abstract>Attempts to characterize voluntary behavior have been ongoing for thousands of years. We provide experimental evidence that judgments of volition are based upon distributions of responses in relation to obtained rewards. Participants watched as responses, said to be made by "actors," appeared on a computer screen. The participant's task was to estimate how well each actor represented the voluntary choices emitted by a real person. In actuality, all actors' responses were generated by algorithms based on Baum’s (1979) generalized matching function. We systematically varied the exponent values (sensitivity parameter) of these algorithms: some actors matched response proportions to received reinforcer proportions, others overmatched (predominantly chose the highest-valued alternative), and yet others undermatched (chose relatively equally among the alternatives). In each of five experiments, we found that the matching actor's responses were judged most closely to approximate voluntary choice. We found also that judgments of high volition depended upon stochastic (or probabilistic) generation. Thus, stochastic responses that match reinforcer proportions best represent voluntary human choice.</call>
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Revision as of 17:55, 12 September 2012

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Author
Neuringer, A. +, Jensen, G. +  and Piff, P. +
Cite/author
Neuringer 2007 +
Cite/source
Journal of the Experimental Analysis of Behavior, 88, 1-28 +
Keyname
2007-Neuringer +
Published in
Journal of the Experimental Analysis of Behavior +
Title
Stochastic matching and the voluntary nature of choice +
Year
2007 +