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Related Experiment Videos

Response strength in multiple schedules.

J A Nevin

    Journal of the Experimental Analysis of Behavior
    |May 1, 1974
    PubMed
    Summary
    This summary is machine-generated.

    Pigeons trained on different food reinforcement schedules showed decreased pecking rates when food was presented independently. This decrease, reflecting response strength, depended on the original reinforcement conditions and followed power function relationships.

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    Area of Science:

    • Behavioral psychology
    • Animal behavior studies
    • Operant conditioning

    Background:

    • Pigeons were trained using distinct food reinforcement schedules for key pecking under different visual conditions.
    • Multiple schedule components were established with varying reinforcement parameters.

    Purpose of the Study:

    • To investigate the impact of response-independent food presentation on established operant behavior.
    • To determine how different reinforcement schedules influence resistance to change in response rates.

    Main Methods:

    • Pigeons were subjected to multiple schedule training with differential reinforcement for key colors.
    • Response-independent food was introduced during inter-component dark periods.
    • Pecking rates in each component were measured before and after the introduction of response-independent food.

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    Main Results:

    • Response rates in both schedule components decreased when response-independent food was introduced.
    • The magnitude of this decrease was contingent upon the specific reinforcement parameters (frequency, magnitude, delay, response-rate contingencies) of each component.
    • When reinforcement was terminated, the order of response rate decrease mirrored that observed with response-independent food.
    • The relationship between component response rates was described by power functions.

    Conclusions:

    • The concept of 'response strength,' defined as relative resistance to change, effectively summarizes the effects of various procedures on behavior.
    • The exponent of the power function relating component response rates offers a potential metric for quantifying response strength.