COMBINATIONS OF RESPONSE-REINFORCER RELATIONS IN PERIODIC AND APERIODIC SCHEDULES

Key pecking of 4 pigeons was studied under a two‐component multiple schedule in which food deliveries were arranged according to a fixed and a variable interfood interval. The percentage of response‐dependent food in each component was varied, first in ascending (0, 10, 30, 70 and 100%) and then in...

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Published inJournal of the experimental analysis of behavior Vol. 99; no. 2; pp. 199 - 210
Main Authors Kuroda, Toshikazu, Cançado, Carlos R. X., Lattal, Kennon A., Elcoro, Mirari, Dickson, Chata A., Cook, James E.
Format Journal Article
LanguageEnglish
Published United States Blackwell Publishing Ltd 01.03.2013
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ISSN0022-5002
1938-3711
1938-3711
DOI10.1002/jeab.13

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Abstract Key pecking of 4 pigeons was studied under a two‐component multiple schedule in which food deliveries were arranged according to a fixed and a variable interfood interval. The percentage of response‐dependent food in each component was varied, first in ascending (0, 10, 30, 70 and 100%) and then in descending orders, in successive conditions. The change in response rates was positively related to the percentage of response‐dependent food in each schedule component. Across conditions, positively accelerated and linear patterns of responding occurred consistently in the fixed and variable components, respectively. These results suggest that the response–food dependency determines response rates in periodic and aperiodic schedules, and that the temporal distribution of food determines response patterns independently of the response–food dependency. Running rates, but not postfood pauses, also were positively related to the percentage of dependent food in each condition, in both fixed and variable components. Thus, the relation between overall response rate and the percentage of dependent food was mediated by responding that occurred after postfood pausing. The findings together extend previous studies wherein the dependency was either always present or absent, and increase the generality of the effects of variations in the response–food dependency from aperiodic to periodic schedules.
AbstractList Key pecking of 4 pigeons was studied under a two-component multiple schedule in which food deliveries were arranged according to a fixed and a variable interfood interval. The percentage of response-dependent food in each component was varied, first in ascending (0, 10, 30, 70 and 100%) and then in descending orders, in successive conditions. The change in response rates was positively related to the percentage of response-dependent food in each schedule component. Across conditions, positively accelerated and linear patterns of responding occurred consistently in the fixed and variable components, respectively. These results suggest that the response-food dependency determines response rates in periodic and aperiodic schedules, and that the temporal distribution of food determines response patterns independently of the response-food dependency. Running rates, but not postfood pauses, also were positively related to the percentage of dependent food in each condition, in both fixed and variable components. Thus, the relation between overall response rate and the percentage of dependent food was mediated by responding that occurred after postfood pausing. The findings together extend previous studies wherein the dependency was either always present or absent, and increase the generality of the effects of variations in the response-food dependency from aperiodic to periodic schedules.
Key pecking of 4 pigeons was studied under a two-component multiple schedule in which food deliveries were arranged according to a fixed and a variable interfood interval. The percentage of response-dependent food in each component was varied, first in ascending (0, 10, 30, 70 and 100%) and then in descending orders, in successive conditions. The change in response rates was positively related to the percentage of response-dependent food in each schedule component. Across conditions, positively accelerated and linear patterns of responding occurred consistently in the fixed and variable components, respectively. These results suggest that the response-food dependency determines response rates in periodic and aperiodic schedules, and that the temporal distribution of food determines response patterns independently of the response-food dependency. Running rates, but not postfood pauses, also were positively related to the percentage of dependent food in each condition, in both fixed and variable components. Thus, the relation between overall response rate and the percentage of dependent food was mediated by responding that occurred after postfood pausing. The findings together extend previous studies wherein the dependency was either always present or absent, and increase the generality of the effects of variations in the response-food dependency from aperiodic to periodic schedules.Key pecking of 4 pigeons was studied under a two-component multiple schedule in which food deliveries were arranged according to a fixed and a variable interfood interval. The percentage of response-dependent food in each component was varied, first in ascending (0, 10, 30, 70 and 100%) and then in descending orders, in successive conditions. The change in response rates was positively related to the percentage of response-dependent food in each schedule component. Across conditions, positively accelerated and linear patterns of responding occurred consistently in the fixed and variable components, respectively. These results suggest that the response-food dependency determines response rates in periodic and aperiodic schedules, and that the temporal distribution of food determines response patterns independently of the response-food dependency. Running rates, but not postfood pauses, also were positively related to the percentage of dependent food in each condition, in both fixed and variable components. Thus, the relation between overall response rate and the percentage of dependent food was mediated by responding that occurred after postfood pausing. The findings together extend previous studies wherein the dependency was either always present or absent, and increase the generality of the effects of variations in the response-food dependency from aperiodic to periodic schedules.
Key pecking of 4 pigeons was studied under a two-component multiple schedule in which food deliveries were arranged according to a fixed and a variable interfood interval. The percentage of response-dependent food in each component was varied, first in ascending (0, 10, 30, 70 and 100%) and then in descending orders, in successive conditions. The change in response rates was positively related to the percentage of response-dependent food in each schedule component. Across conditions, positively accelerated and linear patterns of responding occurred consistently in the fixed and variable components, respectively. These results suggest that the response-food dependency determines response rates in periodic and aperiodic schedules, and that the temporal distribution of food determines response patterns independently of the response-food dependency. Running rates, but not postfood pauses, also were positively related to the percentage of dependent food in each condition, in both fixed and variable components. Thus, the relation between overall response rate and the percentage of dependent food was mediated by responding that occurred after postfood pausing. The findings together extend previous studies wherein the dependency was either always present or absent, and increase the generality of the effects of variations in the response-food dependency from aperiodic to periodic schedules. [PUBLICATION ABSTRACT]
Author Kuroda, Toshikazu
Dickson, Chata A.
Cançado, Carlos R. X.
Elcoro, Mirari
Lattal, Kennon A.
Cook, James E.
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  givenname: Carlos R. X.
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Snippet Key pecking of 4 pigeons was studied under a two‐component multiple schedule in which food deliveries were arranged according to a fixed and a variable...
Key pecking of 4 pigeons was studied under a two-component multiple schedule in which food deliveries were arranged according to a fixed and a variable...
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StartPage 199
SubjectTerms Animals
aperiodic schedules
Behavior
Birds
Body Weight
Columbidae
Conditioning, Operant
Experiments
Female
Food
key peck
Male
periodic schedules
pigeons
Reinforcement (Psychology)
Reinforcement Schedule
response rate
response-reinforcer dependency
Studies
temporal patterns of responding
Title COMBINATIONS OF RESPONSE-REINFORCER RELATIONS IN PERIODIC AND APERIODIC SCHEDULES
URI https://api.istex.fr/ark:/67375/WNG-P060K825-S/fulltext.pdf
https://onlinelibrary.wiley.com/doi/abs/10.1002%2Fjeab.13
https://www.ncbi.nlm.nih.gov/pubmed/23319450
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Volume 99
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