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Bradshaw, Ceri A.; Reed, Phil – Learning and Motivation, 2012
In three experiments, human participants pressed the space bar on a computer keyboard to earn points on random-ratio (RR) and random-interval (RI) schedules of reinforcement. Verbalized contingency awareness (CA) for each schedule was measured after the entire task (Experiments 1 and 2), or after each RR-RI trial (Experiment 3). In all three…
Descriptors: Intervals, Reinforcement, Computers, Task Analysis
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Alessandri, Jerome; Stolarz-Fantino, Stephanie; Fantino, Edmund – Learning and Motivation, 2011
A concurrent-chains procedure was used to examine choice between segmented (two-component chained schedules) and unsegmented schedules (simple schedules) in terminal links with equal inter-reinforcement intervals. Previous studies using this kind of experimental procedure showed preference for unsegmented schedules for both pigeons and humans. In…
Descriptors: Science Activities, Intervals, Research Methodology, Reinforcement
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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