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. 1969 Sep;12(5):677-87.
doi: 10.1901/jeab.1969.12-677.

A two-state analysis of fixed-interval responding in the pigeon

B A Schneider

A two-state analysis of fixed-interval responding in the pigeon

B A Schneider. J Exp Anal Behav. 1969 Sep.

Abstract

The behavior of pigeons on six geometrically spaced fixed-interval schedules ranging from 16 to 512 sec is described as a two-state process. In the first state, which begins immediately after reinforcement, response rate is low and constant. At some variable time after reinforcement there is an abrupt transition to a high and approximately constant rate. The point of rapid transition occurs, on the average, at about two-thirds of the way through the interval. Response rate in the second state is an increasing, negatively accelerated function of rate of reinforcement in the second state.

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