| pubmed-article:16812363 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:16812363 | lifeskim:mentions | umls-concept:C0035007 | lld:lifeskim |
| pubmed-article:16812363 | lifeskim:mentions | umls-concept:C1280500 | lld:lifeskim |
| pubmed-article:16812363 | lifeskim:mentions | umls-concept:C0205421 | lld:lifeskim |
| pubmed-article:16812363 | lifeskim:mentions | umls-concept:C2003874 | lld:lifeskim |
| pubmed-article:16812363 | pubmed:issue | 2 | lld:pubmed |
| pubmed-article:16812363 | pubmed:dateCreated | 2010-6-29 | lld:pubmed |
| pubmed-article:16812363 | pubmed:abstractText | In previous studies of delayed reinforcement, response rate has been found to vary inversely with the response-reinforcer interval. However, in all of these studies the independent variable, response-reinforcer time, was confounded with the number of reinforcers presented in a fixed period of time (reinforcer frequency). In the present study, the frequency of available reinforcers was held constant, while temporal separation between response and reinforcer was independently manipulated. A repeating time cycle, T, was divided into two alternating time periods, t(D) and t(Delta). The first response in t(D) was reinforced at the end of the prevailing T cycle and extinction prevailed in t(Delta). Two placements for t(D) were defined, an early t(D) placement in which t(D) precedes t(Delta) and a late t(D) placement in which t(D) follows t(Delta). The duration of the early and late t(D) was systematically decreased from 30 seconds (i.e., t(D) = T) to 0.1 second. Manipulation of t(D) placement and duration controlled the temporal separation between response and reinforcement, but it did not affect the frequency of programmed reinforcers, which was 1/T. The results show that early and late t(D) placements of equal duration have similar overall effects upon response rate, reinforcer frequency, responses per reinforcer, and obtained response-reinforcer temporal separation. A stepwise regression analysis using log response rate as the dependent variable showed that the obtained delay was a significant first-step variable for six of eight subjects, with obtained reinforcer frequency significant for the remaining two subjects. | lld:pubmed |
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| pubmed-article:16812363 | pubmed:language | eng | lld:pubmed |
| pubmed-article:16812363 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:16812363 | pubmed:status | PubMed-not-MEDLINE | lld:pubmed |
| pubmed-article:16812363 | pubmed:month | Mar | lld:pubmed |
| pubmed-article:16812363 | pubmed:issn | 0022-5002 | lld:pubmed |
| pubmed-article:16812363 | pubmed:author | pubmed-author:WeirJ FJF | lld:pubmed |
| pubmed-article:16812363 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:16812363 | pubmed:volume | 41 | lld:pubmed |
| pubmed-article:16812363 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:16812363 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:16812363 | pubmed:pagination | 143-55 | lld:pubmed |
| pubmed-article:16812363 | pubmed:dateRevised | 2010-9-14 | lld:pubmed |
| pubmed-article:16812363 | pubmed:year | 1984 | lld:pubmed |
| pubmed-article:16812363 | pubmed:articleTitle | The effects of delayed reinforcement on free-operant responding. | lld:pubmed |
| pubmed-article:16812363 | pubmed:publicationType | Journal Article | lld:pubmed |
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