PREFERENCE FOR CONDITIONED REINFORCEMENT
作者:
Ben A. Williams,
Roger Dunn,
期刊:
Journal of the Experimental Analysis of Behavior
(WILEY Available online 1991)
卷期:
Volume 55,
issue 1
页码: 37-46
ISSN:0022-5002
年代: 1991
DOI:10.1901/jeab.1991.55-37
出版商: Blackwell Publishing Ltd
关键词: conditioned reinforcement;choice;concurrent chains;timeout;key peck;pigeons
数据来源: WILEY
摘要:
Pigeons were presented with a concurrent‐chains schedule in which both choice alternatives led to the same terminal‐link stimulus, which was followed by food. Superimposed on the food‐reinforced presentations of the terminal‐link stimulus was a second schedule of presentations of the same stimulus that were followed by no food. The absolute number of these no‐food stimulus presentations was held constant while their relative frequency assigned to one or the other choice alternative was systematically varied. Preference for a given choice alternative tracked the relative frequency of these stimulus presentations, thus demonstrating that they served as reinforcers. These results resolve conflicts in the literature regarding the effect of conditioned reinforcement
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