Abstract
Pigeons were presented with free grain via a variable-interval tape if or after no pecking had occurred for 2 sec. Concurrently, mismatching-to-sample performance intermittently produced conditioned reinforcement in only one component of a two-component multiple schedule. Throughout a series of experimental manipulations, mismatching was differentially sustained in the conditioned-reinforcement component. Performances were relatively insensitive to changes in the frequency of free gain delivery over a wide range of frequencies. These results extend previous results to complex discrimination and suggest that the frequency of sustained responding is relatively independent of the frequency of free grain.
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References
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Zimmerman, J., Hanford, P.V. Sustained mismatching performance in pigeons with chronically maintained conditioned reinforcement. Bull. Psychon. Soc. 6, 102–104 (1975). https://doi.org/10.3758/BF03333160
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DOI: https://doi.org/10.3758/BF03333160