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Educational Psychology

Utah State University

Timothy A. Shahan

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Full-Text Articles in Education

Accuracy Of Discrimination, Rate Of Responding, And Resistance To Change, John A. Nevin, Jessica S. Milo, Amy Laurie Odum, Timothy A. Shahan Jan 2003

Accuracy Of Discrimination, Rate Of Responding, And Resistance To Change, John A. Nevin, Jessica S. Milo, Amy Laurie Odum, Timothy A. Shahan

Timothy A. Shahan

Pigeons were trained on multiple schedules in which responding on a center key produced matching-to-sample trials according to the same variable-interval 30-s schedules in both components. Matching trials consisted of a vertical or tilted line sample on the center key followed by vertical and tilted comparisons on the side keys. Correct responses to comparison stimuli were reinforced with probability .80 in the rich component and .20 in the lean component. Baseline response rates and matching accuracies generally were higher in the rich component, consistent with previous research. When performance was disrupted by prefeeding, response-independent food during intercomponent intervals, intrusion of ...