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In two experiments, university students were trained on a conditional discrimination task (second-order matching to sample) involving various types of stimulus presentations and experimenter-provided instructions. The students' acquisition of conceptual behavior was assessed during transfer tests...
Behavioral contrast can be defined as an inverse relation between the rate of behavior in one component of a multiple schedule of reinforcement and the conditions of reinforcement in another component. In the present experiment, four pigeons pecked a key for mixed-grain reinforcers delivered by a...