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Related Concept Videos

Classification of Signals01:30

Classification of Signals

In signal processing, signals are classified based on various characteristics: continuous-time versus discrete-time, periodic versus aperiodic, analog versus digital, and causal versus noncausal. Each category highlights distinct properties crucial for understanding and manipulating signals.
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  3. Signal Detection In Fixed-ratio Schedules.
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  3. Signal Detection In Fixed-ratio Schedules.

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SIGNAL DETECTION IN FIXED-RATIO SCHEDULES.

M RILLING, C MCDIARMID

    Science (New York, N.Y.)
    |April 23, 1965

    View abstract on PubMed

    Summary
    This summary is machine-generated.

    This study shows that as fixed-ratio schedules become more similar, animals make more errors when discriminating between them. The research clarifies the difference between discrimination ability and response bias in animal behavior studies.

    Keywords:
    BEHAVIOR, ANIMALBIRDSDISCRIMINATION LEARNINGEXPERIMENTAL LAB STUDYPSYCHOLOGY, EXPERIMENTAL

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    Area of Science:

    • Behavioral science
    • Animal psychophysics

    Background:

    • Discrimination of stimuli is crucial for understanding animal behavior.
    • Fixed-ratio schedules are commonly used to study operant conditioning.

    Purpose of the Study:

    • To measure stimulus discrimination using a psychophysical choice technique.
    • To differentiate between discrimination and response bias in animal psychophysics.

    Main Methods:

    • Utilized a psychophysical choice technique.
    • Employed two fixed-ratio schedules to present stimuli.
    • Analyzed errors in discrimination as a function of ratio difference.

    Main Results:

    • Increased errors in discrimination were observed as the difference between the two fixed-ratio schedules decreased.
  • The analysis successfully distinguished between discrimination and response bias.

    • Conclusions:

    • The psychophysical choice technique is effective for measuring discrimination of fixed-ratio schedules.
    • Reducing the discriminability of stimuli increases errors and highlights the importance of distinguishing discrimination from response bias in animal studies.