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Madden, Gregory J.; Smethells, John R.; Ewan, Eric E.; Hursh, Steven R. – Journal of the Experimental Analysis of Behavior, 2007
This experiment was conducted to test predictions of two behavioral-economic approaches to quantifying relative reinforcer efficacy. According to the first of these approaches, characteristics of averaged normalized demand curves may be used to predict progressive-ratio breakpoints and peak responding. The second approach, the demand analysis,…
Descriptors: Reinforcement, Economics, Animals, Animal Behavior
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Pinkston, Jonathan W.; Ratzlaff, Kenneth L.; Madden, Gregory J.; Fowler, Stephen C. – Journal of the Experimental Analysis of Behavior, 2008
The reproducibility of experimental outcomes depends on consistent control of independent variables. In food-maintained operant performance, it is of utmost importance that the quantity of food delivered is reliable. To that end, some commercial food pellet dispensers have add-on attachments to sense the delivery of pellets. Not all companies,…
Descriptors: Integrity, Unit Costs, Behavioral Science Research, Food
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Madden, Gregory J.; Smith, Nathaniel G.; Brewer, Adam T.; Pinkston, Jonathan W.; Johnson, Patrick S. – Journal of the Experimental Analysis of Behavior, 2008
Previous research has shown that Lewis rats make more impulsive choices than Fischer 344 rats. Such strain-related differences in choice are important as they may provide an avenue for exploring genetic and neurochemical contributions to impulsive choice. The present systematic replication was designed to determine if these findings could be…
Descriptors: Reinforcement, Individual Characteristics, Animals, Animal Behavior
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Madden, Gregory J.; Smethells, John R.; Ewan, Eric E.; Hursh, Steven R. – Journal of the Experimental Analysis of Behavior, 2007
This experiment was conducted to test the predictions of two behavioral-economic approaches to quantifying relative reinforcer efficacy. The normalized demand analysis suggests that characteristics of averaged normalized demand curves may be used to predict progressive-ratio breakpoints and peak responding. By contrast, the demand analysis holds…
Descriptors: Positive Reinforcement, Correlation, Prediction, Evaluation Methods
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Madden, Gregory J.; Dake, Jamie M.; Mauel, Ellie C.; Rowe, Ryan R. – Journal of the Experimental Analysis of Behavior, 2005
The behavioral economic concept of unit price predicts that consumption and response output (labor supply) are determined by the unit price at which a good is available regardless of the value of the cost and benefit components of the unit price ratio. Experiment 1 assessed 4 pigeons' consumption and response output at a range of unit prices. In…
Descriptors: Food, Mathematical Models, Labor Supply, Cost Effectiveness