Abstract
Rats were given appetitive secondary reinforcement training under three conditions in a Skinner box. In the first condition, CSs and USs occurred randomly and independently; in the second condition, USs intermittently followed CSs, but did so within a specific time period; in the third condition, USs consistently followed CSs within a specific time period. Following acquisition, a test phase was given in which CSs were contingent upon bar pressing. The first condition resulted in less secondary reinforcement acquisition than either of the other two conditions.
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1. This research was supported by USPHS Grant MH-14173 to Dr. Eric Holman. The author wishes to thank Dr. Holman for his help, advice, and critical reading of this paper.
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Jacobs, B.L. Predictability and number of pairings in the establishment of a secondary reinforcer. Psychon Sci 10, 237–238 (1968). https://doi.org/10.3758/BF03331498
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DOI: https://doi.org/10.3758/BF03331498