Abstract:
:Four pigeons were exposed to various fixed-interval (FI) 30-s conditions which included a standard FI30-s condition. In all remaining conditions, a red "start" key light began the interval. Completion of various fixed ratios (FR) on the start key lit a green "work" key light. In Experiment 1, one peck on the start key lit the work key light. Mean postreinforcement pause (PRP) lengthened only slightly when the start-key contingency was imposed. In Experiment 2, the start-key requirement ranged from FR 1 to FR 50. As the FR requirement increased, the pause on the work key, called the poststart pause (PSP), decreased for three birds at FR 2 but, for all four birds, the PRP and interreinforcement interval (IRI) did not lengthen until FR 50. These results support the hypothesis that the PRP is a function of the IRI and both are refractory to change, while the PSP is seen as a variable that adjusts to different schedule constraints.
journal_name
Behav Processesjournal_title
Behavioural processesauthors
Rutter Sdoi
10.1016/0376-6357(90)90015-8subject
Has Abstractpub_date
1990-06-01 00:00:00pages
59-67issue
2-3eissn
0376-6357issn
1872-8308pii
0376-6357(90)90015-8journal_volume
21pub_type
杂志文章abstract::In delay discounting, choice is between two reinforcers that differ in amount and delay, and the subjective value of either reinforcer decreases as a function of delay to its receipt. The steepness of the discounting function is thought to reflect the degree of impulsive choice. Many factors can influence impulsive ch...
journal_title:Behavioural processes
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journal_title:Behavioural processes
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journal_title:Behavioural processes
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journal_title:Behavioural processes
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pub_type: 杂志文章
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journal_title:Behavioural processes
pub_type: 杂志文章
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journal_title:Behavioural processes
pub_type: 杂志文章
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journal_title:Behavioural processes
pub_type: 杂志文章
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journal_title:Behavioural processes
pub_type: 杂志文章
doi:10.1016/s0376-6357(96)00770-x
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pub_type: 杂志文章
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pub_type: 杂志文章,评审
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journal_title:Behavioural processes
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journal_title:Behavioural processes
pub_type: 杂志文章
doi:10.1016/j.beproc.2008.09.012
更新日期:2009-01-01 00:00:00
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journal_title:Behavioural processes
pub_type: 杂志文章
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journal_title:Behavioural processes
pub_type: 杂志文章
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journal_title:Behavioural processes
pub_type: 杂志文章
doi:10.1016/j.beproc.2014.02.006
更新日期:2014-05-01 00:00:00
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journal_title:Behavioural processes
pub_type: 杂志文章
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