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The role of stimulus disparity in concurrently available reinforcement schedules |
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| Authors: | James T Miller Samuel S Saunders Gordon Bourland |
| Institution: | 1. University of Texas at Arlington, 76019, Arlington, Texas 2. Department of Engineering Psychology, McDonnell Douglas Astronautics Company, P.O. Box 516, 63166, St. Louis, Missouri 3. John F. Kennedy Institute, Johns Hopkins University School of Medicine, 21205, Baltimore, Maryland 4. Colin Anderson Center, 26170, St. Marys, West Virginia |
| Abstract: | Eight White King pigeons were exposed to various two-component arrangements of concurrently available variable-interval reinforcement schedules. Line orientation stimuli associated with each component differed by 45,15, or 0 deg for different subjects. Relative responding matched relative reinforcement with 45 deg separation, while undermatching resulted with 15 deg separation and extreme undermatching resulted with 0 deg separation. Since obtained relative reinforcement indicated contact with the contingencies in all conditions of line orientation disparity, it is concluded that stimulus disparity between components of concurrently available reinforcement schedules is an important determinant of response distribution between components. |
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