Abstract
To determine the sensitivity of successive discrimination reversal (SDR) measures to differences in motivational level, performances of two groups of Squirrel monkeys on a spatial reversal were compared at 10% and 30% body weight reduction values. Greater error scores were made by the 30% group. As in previous work with pigeons, the locus of the motivational effect appeared to be increased resistance to extinction of the previously correct response.
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1. Supported in part by a grant No. GB-4799 from NSF awarded to the senior author.
2. We wish to thank Mr. Philip Slonim for his assistance in gathering some of the data reported in this study.
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Gossette, R.L., Feldman, J. An examination of the sensitivity of successive discrimination reversal (SDR) measures to differences in motivational level with squirrel monkeys. Psychon Sci 11, 157–158 (1968). https://doi.org/10.3758/BF03328169
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DOI: https://doi.org/10.3758/BF03328169