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Responding changes systematically within sessions during conditioning procedures

F K McSweeney1, J M Roll

  • 1Department of Psychology, Washington State University, Pullman 99164-4820.

Journal of the Experimental Analysis of Behavior
|November 1, 1993
PubMed
Summary
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Systematic changes in behavior occur within experimental sessions, even when procedures are constant. These within-session response changes are not mere learning effects and have significant implications for conditioning research.

Area of Science:

  • Behavioral science
  • Experimental psychology
  • Animal behavior

Background:

  • Behavioral responses often change systematically within an experimental session.
  • These within-session changes are distinct from learning curves or satiation effects.
  • Such changes are observed across various experimental paradigms, including reinforcement, punishment, and discrimination tasks.

Purpose of the Study:

  • To highlight the prevalence and significance of within-session response changes in behavioral research.
  • To differentiate these changes from other potential explanations like learning or satiation.
  • To underscore the theoretical and methodological implications for the study of conditioning.

Main Methods:

  • Systematic observation of behavioral responses under constant experimental procedures.

Related Experiment Videos

  • Analysis of data across diverse experimental settings (e.g., reinforcement, avoidance, discrimination).
  • Distinguishing within-session changes from established concepts like learning curves and satiation.

    • Main Results:

    • Within-session response changes are a common phenomenon across a wide range of behavioral procedures.
    • Aversive stimuli typically lead to increased responding early in a session.
    • Positive reinforcement can result in varied response patterns, including increases, decreases, or bitonic functions.
    • Both strong and minimal reinforcement can decrease positively reinforced behavior within a session.

    Conclusions:

    • Within-session response changes are a critical factor in behavioral research that requires careful consideration.
    • These changes have significant theoretical implications for understanding conditioning processes.
    • Methodological approaches in behavioral research must account for these systematic within-session variations.