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Positive reinforcement is a powerful method for teaching new behaviors to both animals and humans. B.F. Skinner demonstrated this with his experiments using rats in a Skinner box. When a rat pressed a lever, it received a food pellet. This immediate reward encouraged the rat to repeat the behavior. This method, where a reward follows every instance of the behavior, is known as continuous reinforcement. It is highly effective for establishing new behaviors quickly.
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Explaining Performance on Interval and Ratio Schedules with a Molar View of Behavior.

William M Baum1

  • 1University of California, Davis, and University of New Hampshire, 1305 Boulevard Way, Apt. 302, Walnut Creek, CA 94595 USA.

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Behavior analysis explains performance differences using a molar view, not a molecular one. This approach clarifies activity rates on interval and ratio schedules, especially at low food rates.

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Area of Science:

  • Behavioral science
  • Animal behavior
  • Operant conditioning

Background:

  • Differences in performance on interval and ratio schedules are fundamental in behavior analysis.
  • Previous explanations lacked mechanisms or used a limited molecular perspective.

Purpose of the Study:

  • To explain the differences in activity rates between interval and ratio schedules.
  • To address the inability of ratio schedules to maintain activity at low food rates.

Main Methods:

  • Utilized a molar view of behavior, focusing on feedback systems.
  • Applied principles of induction by phylogenetically important events (PIE) and matching theory.
  • Developed a feedback system model to predict activity rate and PIE rate relationships.

Main Results:

  • The molar view successfully explains activity rate differences and performance on low food rates.
  • A feedback system model with consistent parameters predicted observed relations.
  • Differences in activity rate stem from distinct units of activity selected by schedule types.

Conclusions:

  • The molar perspective provides a more robust explanation for schedule-controlled behavior than molecular approaches.
  • This framework enhances understanding of operant conditioning principles and their application.