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Operant Variability: A Conceptual Analysis
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Barba, Lourenco de Souza – Behavior Analyst, 2012
Some researchers claim that variability is an operant dimension of behavior. The present paper reviews the concept of operant behavior and emphasizes that differentiation is the behavioral process that demonstrates an operant relation. Differentiation is conceived as change in the overlap between two probability distributions: the distribution of…
Descriptors: Probability, Reinforcement, Operant Conditioning, Animals
Variability as a Subject Matter in a Science of Behavior: Reply to Commentaries
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Barba, Lourenco de Souza – Behavior Analyst, 2012
In his article, the author claimed that studies of operant variability that use a lag-"n" or threshold procedure and measure the obtained variability through the change in U value fail to provide direct evidence that variability is an operant dimension of behavior. To do so, he adopted Catania's (1973) concept of the operant, which takes the…
Descriptors: Reinforcement, Operant Conditioning, Experiments, Feedback (Response)