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DeFulio, Anthony; Hackenberg, Timothy D. – Journal of the Experimental Analysis of Behavior, 2008
Pigeons pecked a response key on a variable-interval (VI) schedule, in which responses produced food every 40 s, on average. These VI periods, or components, alternated in irregular fashion with extinction components in which food was unavailable. Pecks on a second (observing) key briefly produced exteroceptive stimuli (houselight flashes)…
Descriptors: Stimuli, Responses, Observation, Time
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Shahan, Timothy A.; Podlesnik, Christopher A.; Jimenez-Gomez, Corina – Journal of the Experimental Analysis of Behavior, 2006
Attempts to examine the effects of variations in relative conditioned reinforcement rate on choice have been confounded by changes in rates of primary reinforcement or changes in the value of the conditioned reinforcer. To avoid these problems, this experiment used concurrent observing responses to examine sensitivity of choice to relative…
Descriptors: Reinforcement, Predictor Variables, Intervals, Conditioning
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O'Daly, Matthew; Angulo, Samuel; Gipson, Cassandra; Fantino, Edmund – Journal of the Experimental Analysis of Behavior, 2006
This set of studies explored the influence of temporal context across multiple-chain and multiple-successive-encounters procedures. Following training with different temporal contexts, the value of stimuli sharing similar reinforcement schedules was assessed by presenting these stimuli in concurrent probes. The results for the multiple-chain…
Descriptors: Stimuli, Reinforcement, Time Perspective, Conditioning