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Related Experiment Videos

Time allocation in human vigilance.

W M Baum

    Journal of the Experimental Analysis of Behavior
    |January 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    Human subjects demonstrated the matching law by allocating time to key presses according to signal detection frequency. Adjusting response costs and delays improved adherence to this behavioral principle.

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    Area of Science:

    • Behavioral psychology
    • Operant conditioning
    • Decision-making

    Background:

    • The matching law is a fundamental principle in behavioral psychology.
    • It describes how organisms allocate their behavior among concurrent schedules of reinforcement.
    • Understanding choice behavior is crucial for various psychological applications.

    Purpose of the Study:

    • To investigate human adherence to the matching law under conditions of unpredictable signal detection.
    • To examine the influence of changeover delay and response cost on choice behavior.
    • To confirm and extend the concept of time allocation as a measure of behavior.

    Main Methods:

    • Three human subjects participated in a signal detection task using two telegraph keys.
    • The relative frequencies of signal detections for each key were manipulated.

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  • Procedures incorporated a changeover delay and a response cost for key release.

    • Main Results:

    • All subjects exhibited matching behavior, aligning time spent on each key with detection frequency.
    • Increased response cost improved one subject's adherence to the matching law.
    • Increased changeover delay enhanced matching accuracy for another subject.

    Conclusions:

    • The study confirms that human choice behavior conforms to the matching law.
    • Behavior can be accurately measured and understood through time allocation.
    • These findings support the universality of the matching law across different conditions and species.