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Related Experiment Videos

Preference for intermittent reinforcement.

S B Kendall

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

    Pigeons pecked more at keys offering intermittent reinforcement after a delay, especially when stimuli signaled outcomes. This behavior shifted when stimuli were uncorrelated, favoring consistent reinforcement.

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    Area of Science:

    • Behavioral psychology
    • Animal behavior studies
    • Operant conditioning principles

    Background:

    • Pigeons demonstrate complex decision-making under reinforcement schedules.
    • Understanding choice behavior is crucial for behavioral science.

    Purpose of the Study:

    • To investigate pigeon preference between intermittent and continuous reinforcement schedules following a delay.
    • To examine the role of stimulus-correlated outcomes in choice behavior.

    Main Methods:

    • Concurrent chain schedules were used in two experiments with pigeons.
    • Key pecking rates were measured under conditions of correlated and uncorrelated stimuli signaling reinforcement or timeout.
    • Variable-interval schedules were employed in the initial link of Experiment II.

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    Main Results:

    • Pigeons preferred keys with intermittent reinforcement when stimuli were correlated with outcomes.
    • Preference shifted to the key with 100% reinforcement when stimuli were uncorrelated.
    • Performance was influenced by delay duration, reinforcement percentage, and prior conditions.

    Conclusions:

    • Stimulus control plays a significant role in pigeons' choice between reinforcement schedules.
    • Pigeons can discriminate and prefer schedules based on predictive cues, even when intermittent.
    • Findings contribute to understanding choice behavior and the impact of signaling in reinforcement learning.