Effects of sucrose concentration and goal units on runway behavior in the rat |
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Authors: | Charles F Flaherty Edward P Riley Norman E Spear |
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Institution: | Department of Psychology, Rutgers, The State University New Brunswick, New Jersey 08903 USA |
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Abstract: | Experiment 1 investigated the between-S and within-S effects of sucrose concentration (32 and 6%) and number of goal units (equal volumes of sucrose presented in single or multiple goal cups). The goal-unit variable had no effect on behavior under any of several test conditions employed. Within-S effects of sucrose concentration were approximately equal to between-S effects; no contrast effects were found. When 64 and 6% sucrose solutions were used as reinforcers in Experiment 2, a simultaneous, but not a successive, negative contrast effect was found. Results were discussed in terms of possible functional differences between the successive and simultaneous contrast paradigms and between sucrose solutions and solid food as reinforcers. |
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Keywords: | Requests for reprints should be sent to Charles F Flaherty Department of Psychology Rutgers The State University New Brunswick New Jersey 08903 |
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