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DeFulio, Anthony; Hackenberg, Timothy D. – Journal of the Experimental Analysis of Behavior, 2007
Two experiments examined pigeons' postponement of a signaled extinction period, or timeout (TO), from an ongoing schedule of response-dependent food delivery. A concurrent-operant procedure was used in which responses on one (food) key produced food according to a variable-interval schedule and responses on a second (postponement) key delayed the…
Descriptors: Stimuli, Timeout, Intervals, Animals