Abstract
Monkeys were maintained on a four-component multiple fixed-ratio (FR) schedule of reinforcement in which FRs of 1, 20, 60, or 180 were in effect in the presence of different colored lights. In each session a maximum of eight food pellets could be earned, and a session began every 2 h around the clock. Supplementary food pellets were given at the same time each morning. As the number of supplementary pellets was increased from 0 to 180, fewer pellets were earned, and longer latencies to the onset of responding each component occurred. In all cases effects were greatest on components requiring the most responding for food presentation.
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Nevin, J. A. Response strength and reinforcement value as resistance to change. Paper presented at the meeting of the Midwestern Association of Behavior Analysis, Chicago, 1977.
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In conducting the research described in this report, the investigators adhered to the “Guide for Laboratory Animal Facilities and Care,” as promulgated by the Committee of the Guide for Laboratory Animal Facilities and Care of the Institute of Laboratory Animal Resources, National Academy of Sciences, National Research Council.
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Elsmore, T.F. Supplementary feeding effects on multiple fixed-ratio performance of rhesus monkeys. Bull. Psychon. Soc. 13, 367–370 (1979). https://doi.org/10.3758/BF03336897
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DOI: https://doi.org/10.3758/BF03336897