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Related Experiment Videos

Relations between baseline contingencies and equivalence probe performances.

C Pilgrim, M Galizio

    Journal of the Experimental Analysis of Behavior
    |November 1, 1990
    PubMed
    Summary

    This study investigated how changes in reinforcement affect learned behavior. Results show that even when reinforcement rules change, established behavioral patterns, particularly those related to equivalence classes, can persist.

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    Area of Science:

    • Behavioral Psychology
    • Learning Theory
    • Cognitive Science

    Background:

    • Equivalence classes are fundamental in understanding complex learned behavior.
    • Conditional discriminations are believed to underpin the formation and maintenance of equivalence classes.
    • Investigating the impact of altered reinforcement contingencies is crucial for refining learning theories.

    Purpose of the Study:

    • To examine how changes in reinforcement contingencies influence established equivalence classes.
    • To assess the relationship between conditional discrimination performance and equivalence class responding under altered conditions.
    • To explore discrepancies between baseline and probe performance in the context of reinforcement contingency shifts.

    Main Methods:

    • Five college students participated in a study involving conditional discrimination tasks.

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  • Participants were exposed to altered reinforcement schedules, including reversed and random contingencies for AC relations.
  • Performance was assessed using symmetry and transitivity probes following modifications to reinforcement.

    • Main Results:

    • Baseline conditional discrimination performance was influenced by reinforcement contingencies.
    • Symmetry probe performance varied with baseline responding in some participants when contingencies were reversed.
    • Transitivity probe performance remained consistent with initial equivalence classes despite changes in reinforcement.

    Conclusions:

    • Established equivalence classes can exhibit resilience to alterations in reinforcement contingencies.
    • Inconsistencies between baseline and probe performance highlight the complexity of behavioral control.
    • The differential impact on symmetry versus transitivity probes offers insights into the structure of learned relations.