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Nevin, John A.; Davison, Michael; Odum, Amy L.; Shahan, Timothy A. – Journal of the Experimental Analysis of Behavior, 2007
A theory of attending and reinforcement in conditional discriminations (Nevin, Davison, & Shahan, 2005) is extended to working memory in delayed matching to sample by adding terms for disruption of attending during the retention interval. Like its predecessor, the theory assumes that reinforcers and disruptors affect the independent probabilities…
Descriptors: Behavior Theories, Attention, Reinforcement, Short Term Memory
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Brown, Glenn S.; White, K. Geoffrey – Journal of the Experimental Analysis of Behavior, 2005
Two experiments examined whether postsample signals of reinforcer probability or magnitude affected the accuracy of delayed matching to sample in pigeons. On each trial, red or green choice responses that matched red or green stimuli seen shortly before a variable retention interval were reinforced with wheat access. In Experiment 1, the…
Descriptors: Accuracy, Retention (Psychology), Probability, Intervals