POSITIVE INTERACTION (INDUCTION) IN MULTIPLE VARIABLE‐INTERVAL, DIFFERENTIAL‐REINFORCEMENT‐OF‐HIGH‐RATE SCHEDULES1

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Abstract
The effect of increases in the rate of responding in one component of a multiple schedule upon the rate of responding in a second component was investigated. Pigeons were exposed to a multiple schedule where both components were initially variable-interval schedules having the same parameter value. After rate of key pecking stabilized, one component was changed to a schedule that differentially reinforced high rates of responding. Rate of reinforcement in this varied component was adjusted to remain equal to rate of reinforcement in the constant (variable-interval) component. Four of five pigeons showed a maintained increase in rate of responding during both the constant and varied components, even though rates of reinforcement did not change.

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