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Background activities, induction, and behavioral allocation in operant performance.

William M Baum1, Michael Davison

  • 1University of California, Davis.

Journal of the Experimental Analysis of Behavior
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Summary
This summary is machine-generated.

This study clarifies background activities in operant behavior research. Food-related activities (BO) are proportional to reinforcers and influenced by food rate, impacting Herrnstein's matching law.

Keywords:
background activitybehavioral allocationextraneous reinforcersinduced activityinductionmatching lawphylogenetically important event

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Area of Science:

  • Behavioral psychology
  • Operant conditioning
  • Animal behavior

Background:

  • Herrnstein's matching law provides a framework for understanding how organisms allocate behavior.
  • The law's parameter for background reinforcers (rO) lacked specificity regarding the activities (BO) producing them.
  • Previous research has not fully elucidated the nature of background activities and their influence on operant behavior.

Purpose of the Study:

  • To investigate the nature of background activities (BO) that compete with operant behavior.
  • To analyze how background reinforcers (rO) and activities (BO) are influenced by food reinforcement rates.
  • To refine the matching law by incorporating a more detailed understanding of competing activities.

Main Methods:

  • Analysis of data from three studies involving pairs of variable-interval schedules with varying food delivery rates.
  • Calculation of background reinforcers (rO) using the matching equation.
  • Development and application of a model based on allocation, induction, and contingency to explain deviations from the matching law.

Main Results:

  • Background reinforcers (rO) were found to be directly proportional to background activities (BO).
  • Both rO and BO were dependent on the rate of food delivery, suggesting BO comprises food-induced activities.
  • Deviations from the matching law were explained by unequal competition for time allocation among operant activity (B), food-induced activities (BO), and non-food activities (BN).

Conclusions:

  • Background activities (BO) are influenced by food reinforcement, challenging the original formulation of the matching law.
  • A refined model incorporating power-function induction preserves the generalized matching law for operant behavior.
  • Understanding the interplay between different activity types is crucial for accurately predicting behavioral allocation.