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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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Navarro, Anton D.; Fantino, Edmund – Journal of the Experimental Analysis of Behavior, 2005
The sunk cost effect is the increased tendency to persist in an endeavor once an investment of money, effort, or time has been made. To date, humans are the only animal in which this effect has been observed unambiguously. We developed a behavior-analytic model of the sunk cost effect to explore the potential for this behavior in pigeons as well…
Descriptors: Reinforcement, Hypothesis Testing, Animals, Animal Behavior