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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

Showing 226 to 231 of 231 results
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Bouton, Mark E.; Woods, Amanda M.; Pineno, Oskar – Learning and Motivation, 2004
Two appetitive conditioning experiments with rats examined reacquisition after conditioned responding was eliminated by either extinction or by a partial reinforcement procedure in which reinforced trials were occasionally presented among many nonreinforced trials. In Experiment 1, reacquisition to a conditional stimulus (CS) that had been…
Descriptors: Reinforcement, Learning Processes, Conditioning, Cues
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McSweeney, Frances K.; Kowal, Benjamin P.; Murphy, Eric S.; Isava, Duane M. – Learning and Motivation, 2004
McSweeney and Weatherly (1998) argued that differential habituation to the reinforcer contributes to the behavioral interactions observed during multiple schedules. The present experiment confirmed that introducing dishabituators into one component of a multiple schedule increases response rate in the other, constant, component. During baseline,…
Descriptors: Habituation, Interaction, Reinforcement, Responses
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Grant, Douglas S.; Blatz, Craig W. – Learning and Motivation, 2004
Pigeons were trained in a matching task in which samples involved presentation of a white line on a green background (feature-present) or on an otherwise dark key (feature-absent). After asymmetrical training in which one group was initially trained with the feature-present sample and another was initially trained with the feature-absent sample,…
Descriptors: Retention (Psychology), Training, Animals, Cognitive Processes
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Thomas, Brian L.; Ayres, John J. B. – Learning and Motivation, 2004
In four experiments using albino rats in an ABA fear renewal paradigm, we studied conditioned fear in the A test context following extinction in Context B. Conditioned suppression of operant responding was the index of fear. In Experiments 1-3, we found that extinguishing a feared cue in compound with a putative conditioned inhibitor of fear led…
Descriptors: Fear, Learning Processes, Animals, Cues
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Ward-Robinson, Jasper – Learning and Motivation, 2004
Three mechanisms can explain second-order conditioning: (1) The second-order conditioned stimulus (CS2) could activate a representation of the first-order conditioned stimulus (CS1), thereby provoking the conditioned response (CR); The CS2 could enter into an excitatory association with either (2) the representation governing the CR, or (3) with a…
Descriptors: Conditioning, Stimuli, Reinforcement, Animals
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Capaldi, E. J.; Miller, Ronald Mellado – Learning and Motivation, 2004
Findings obtained by providing rats with a single fixed series of events, A-B-C-..., often are equally compatible with three alternative serial learning interpretations: that the signal for items is (A) their position in the series (position view), (B) the prior item of the series (chaining view), and (C) one, two, or more prior items of the…
Descriptors: Animals, Serial Learning, Hypothesis Testing, Cues
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