MULTIPLE AND CONCURRENT SCHEDULE PERFORMANCE: INDEPENDENCE FROM CONCURRENT AND SUCCESSIVE SCHEDULE CONTEXTS
- 1 July 1977
- journal article
- research article
- Published by Wiley in Journal of the Experimental Analysis of Behavior
- Vol. 28 (1), 27-39
- https://doi.org/10.1901/jeab.1977.28-27
Abstract
Six pigeons were trained on multiple variable‐interval schedules and performance was measured in the presence or absence of another variable‐interval schedule (the common schedule) arranged concurrently with both components. Manipulations included varying the rate of reinforcement on the common schedule, leaving the common schedule unchanged while the components of the multiple schedule were varied, varying the multiple schedule components in the absence of the common schedule, and varying one component of the multiple schedule while the other component and the common schedule were unchanged. The normal rate‐increasing and rate‐decreasing effects of reinforcement rate increase were found, except that changing one multiple schedule component did not affect the response rate in the successively available common schedule component. Both concurrent and multiple schedule performance undermatched obtained reinforcement‐rate ratios, but the degree of undermatching in multiple schedules was reliably greater. Allocation of responses between multiple schedule components was unaffected by the concurrent availability of reinforcement, and allocation of responses between concurrent schedules was unaffected by the successive availability of different reinforcement rates.Keywords
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