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Ward, Ryan D.; Bailey, Ericka M.; Odum, Amy L. – Journal of the Experimental Analysis of Behavior, 2006
This experiment assessed the effects of "d"-Amphetamine and ethanol on reinforced variable and repetitive key-peck sequences in pigeons. Pigeons responded on two keys under a multiple schedule of Repeat and Vary components. In the Repeat component, completion of a target sequence of right, right, left, left resulted in food. In the Vary component,…
Descriptors: Animals, Control Groups, Drug Use, Reinforcement
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Odum, Amy L.; Ward, Ryan D.; Burke, K. Anne; Barnes, Christopher A. – Journal of the Experimental Analysis of Behavior, 2006
Four experiments examined the effects of delays to reinforcement on key peck sequences of pigeons maintained under multiple schedules of contingencies that produced variable or repetitive behavior. In Experiments 1, 2, and 4, in the repeat component only the sequence right-right-left-left earned food, and in the vary component four-response…
Descriptors: Reinforcement, Animal Behavior, Animals, Behavioral Science Research