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Operant Procedures for Assessing Behavioral Flexibility in Rats
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Operant variability: a conceptual analysis.

Lourenço de Souza Barba1

  • 1Universidade de São Paulo, Brazil.

The Behavior Analyst
|March 2, 2013
PubMed
Summary
This summary is machine-generated.

Behavioral variability is not directly demonstrated as an operant dimension. Operant behavior requires differentiation, measured by changes in reinforcement and response probability distributions on the same property, which current variability studies do not meet.

Keywords:
U valuelag n procedureoperant variabilitythreshold procedure

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Area of Science:

  • Behavioral science
  • Psychology
  • Operant conditioning

Background:

  • Some researchers propose that behavioral variability is an operant dimension.
  • Operant behavior is fundamentally demonstrated through differentiation.
  • Differentiation involves changes in the overlap between reinforcement probability (S distribution) and response property probability (R distribution).

Purpose of the Study:

  • To critically evaluate whether differentially reinforced behavioral variability aligns with the concept of operant behavior.
  • To determine if existing methodologies in operant variability research adequately demonstrate an operant relation.

Main Methods:

  • Review of the concept of operant behavior and the process of differentiation.
  • Analysis of common procedures (lag n, threshold) and dependent variables (U value) in operant variability studies.
  • Examination of how S and R distributions are established in relation to the measured response property.

Main Results:

  • Differentiation requires S and R distributions to be based on the same response property for measurement.
  • Lag n and threshold procedures establish S distributions on properties different from the U value.
  • Consequently, differentiation cannot be directly measured using the U value in current operant variability studies.

Conclusions:

  • Studies on operant variability have not provided direct evidence that variability is an operant dimension of behavior.
  • Future research should focus on methodologies where variability measures can directly assess differentiation.
  • Such studies would offer stronger support for variability as an operant dimension.