Rats show no preference between free and earned water in an advance-response procedure

Animal Learning & Behavior - Tập 8 - Trang 129-134 - 1980
Robert E. DeLong1, Michael G. Grisham1,2
1Department of Psychology, University of Iowa, Iowa City
2Bell Laboratories USA

Tóm tắt

Although an arbitrarily specified instrumental response may persist when free reinforcers are concurrently available, the interpretation that earned reinforcers are preferred is tenuous. The present advance-response procedure used both time allocation and advance response rates as indices of preference between free and earned water in rats. When multiple schedule components were two response-dependent schedules with different overall reinforcement rates, higher rates of reinforcement were preferred. However, when the multiple schedule consisted of response-dependent and response-independent components equated for overall rates of reinforcement, no consistent preference for free or earned reinforcers was evident. That a preference for free reinforcers was not obtained is difficult to reconcile with concepts of least effort.

Tài liệu tham khảo

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