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Direct linkMadden, 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
Shull, Richard L.; Grimes, Julie A. – Journal of the Experimental Analysis of Behavior, 2006
Rats obtained food-pellet reinforcers by nose poking a lighted key. Experiment 1 examined resistance to extinction following single-schedule training with different variable-interval schedules, ranging from a mean interval of 16 min to 0.25 min. That is, for each schedule, the rats received 20 consecutive daily baseline sessions and then a session…
Descriptors: Training, Positive Reinforcement, Intervals, Animals
