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. 1986 Sep;46(2):113–136. doi: 10.1901/jeab.1986.46-113

The economics of the law of effect.

G H Collier, D F Johnson, W L Hill, L W Kaufman
PMCID: PMC1348280  PMID: 3760748

Abstract

A corollary of the law of effect predicts that the larger the reinforcement, the greater the rate of responding. However, an animal must eat more small portions than large portions to obtain the same daily intake, and one would predict, therefore, that when eating smaller portions an efficient animal would eat less (conserving time and energy) and/or respond faster (conserving time). The latter of these predictions was supported by the present experiments with free-feeding rats for which portion size (pellet size or duration of feeder presentation) and portion price within meals were varied. Response rate was a function of the unit price (responses/g) of food: Rats responded faster when portions were smaller or when prices were higher. Meal size and frequency were relatively unaffected by unit price, but were influenced by the price of meal initiation. The results are discussed in relation to the economic differences between traditional operant and free-feeding paradigms and to both traditional and more recent formulations of the law of effect.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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