Abstract
Groups of rats received either no pretraining (Group N), pretraining with noncontingent FI-2 min. reinforcement (Group FI), or pretraining with noncontingent VI-2 min. reinforcement (Group VI) prior to learning to bar press on a FI-2 min. reinforcement schedule. The FI scallop was acquired most rapidly by Group FI and least rapidly by Group VI. Moreover, FI pretraining led to faster acquisition of both low post-reinforcement response rates and high pre-reinforcement response rates than VI pretraining.
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This research was supported by Research Grant MH-08799-01 from the National Institute of Mental Health to Milton A. Trapold.
An Erratum for this chapter can be found at http://dx.doi.org/10.3758/BF03343495
An erratum to this article is available at http://dx.doi.org/10.3758/BF03343495.
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Trapold, M.A., Carlson, J.G. & Myers, W.A. The effect of noncontingent fixed- and variable-interval reinforcement upon subsequent acquisition of the fixed-interval scallop. Psychon Sci 2, 261–262 (1965). https://doi.org/10.3758/BF03343440
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DOI: https://doi.org/10.3758/BF03343440