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Related Experiment Videos

Temporal proximity and reinforcement sensitivity in multiple schedules.

K G White, M E Pipe, A P McLean

    Journal of the Experimental Analysis of Behavior
    |September 1, 1985
    PubMed
    Summary

    Sensitivity to reinforcement in multiple schedules was examined. Results indicate that component duration did not affect sensitivity, but sensitivity decreased over time within longer components, challenging the "short-component effect."

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    Area of Science:

    • Behavioral psychology
    • Operant conditioning
    • Animal behavior

    Background:

    • Understanding reinforcement sensitivity is crucial for behavioral analysis.
    • Previous research suggested a "short-component effect" in multiple schedules, where shorter component durations increase sensitivity to reinforcement.

    Purpose of the Study:

    • To investigate the impact of component duration on reinforcement sensitivity in multiple variable-interval schedules.
    • To examine the temporal dynamics of reinforcement sensitivity within longer components.

    Main Methods:

    • Multiple variable-interval schedules were employed with varying component durations (15s and 60s).
    • Reinforcer distributions between components were manipulated.
    • Sensitivity to reinforcement was quantified using the exponent of a power function relating response ratios to obtained reinforcer ratios.

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    Main Results:

    • No significant difference in reinforcement sensitivity was found between 15-s and 60-s component durations.
    • Sensitivity to reinforcement systematically decreased as time progressed within the 60-s components.
    • Sensitivity was higher in the initial 15-s subinterval of the 60-s component compared to a full 15-s component.

    Conclusions:

    • The hypothesized "short-component effect" was not observed, aligning with reanalyzed prior data.
    • Temporal factors within components, rather than just average component duration, significantly influence reinforcement sensitivity.
    • Varying component duration and sampling behavior at different times since component transition are not equivalent methods for studying temporal effects in reinforcement.