CHOICE BEHAVIOR OF RATS IN A CONCURRENT‐CHAINS SCHEDULE: AMOUNT AND DELAY OF REINFORCEMENT

CHOICE BEHAVIOR OF RATS IN A CONCURRENT‐CHAINS SCHEDULE: AMOUNT AND DELAY OF REINFORCEMENT Rats were exposed to concurrent‐chains schedules in which the terminal links were equal fixed‐interval schedules terminating in one or three food pellets. Choice proportions for large reward increased with increases in delay intervals programmed on fixed‐interval schedules and supported the predictions derived from a general choice model originally formulated by Fantino and later developed by Navarick and Fantino. In addition, a functional equivalence of two alternatives was established by increasing delay intervals with large reward, whereas delay intervals for small reward were held constant. Functionally equivalent delay intervals with large reward, for each delay interval with small reward, can be described by a power function with exponent smaller than 1.0. A better prediction of choice proportions resulted when this function was used to derive predicted choice proportions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of the Experimental Analysis of Behavior Wiley

CHOICE BEHAVIOR OF RATS IN A CONCURRENT‐CHAINS SCHEDULE: AMOUNT AND DELAY OF REINFORCEMENT

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Publisher
Wiley
Copyright
1982 Society for the Experimental Analysis of Behavior
ISSN
0022-5002
eISSN
1938-3711
DOI
10.1901/jeab.1982.37-383
Publisher site
See Article on Publisher Site

Abstract

Rats were exposed to concurrent‐chains schedules in which the terminal links were equal fixed‐interval schedules terminating in one or three food pellets. Choice proportions for large reward increased with increases in delay intervals programmed on fixed‐interval schedules and supported the predictions derived from a general choice model originally formulated by Fantino and later developed by Navarick and Fantino. In addition, a functional equivalence of two alternatives was established by increasing delay intervals with large reward, whereas delay intervals for small reward were held constant. Functionally equivalent delay intervals with large reward, for each delay interval with small reward, can be described by a power function with exponent smaller than 1.0. A better prediction of choice proportions resulted when this function was used to derive predicted choice proportions.

Journal

Journal of the Experimental Analysis of BehaviorWiley

Published: May 1, 1982

References

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