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Related Experiment Videos

[An experimental analysis on the relation between reward value and choice behavior ].

I Fukui1, H Kimura

  • 1Department of Psychology, School of Letters, Waseda University, Tokyo.

Shinrigaku Kenkyu : the Japanese Journal of Psychology
|June 1, 1987
PubMed
Summary
This summary is machine-generated.

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Undergraduates exposed to concurrent variable-interval schedules showed undermatching, allocating fewer responses to richer schedules. This behavioral economics study reveals preference shifts based on reinforcement value.

Area of Science:

  • Behavioral Psychology
  • Animal Behavior
  • Operant Conditioning

Context:

  • This study investigates choice behavior under concurrent variable-interval (VI-VI) schedules.
  • Six undergraduate students participated, engaging in a two-choice task involving token reinforcement.

Purpose:

  • To examine the relationship between response allocation and reinforcement magnitude in a human operant conditioning setting.
  • To determine if undermatching occurs and how it is affected by different reinforcement ratios.

Summary:

  • Participants were divided into two groups: one receiving 1 yen for the left choice and 5 yen for the right, and another receiving 3 yen for the left and 2 yen for the right.
  • Linear regression analysis of log response ratio against log reinforcement ratio indicated undermatching in all subjects.

Related Experiment Videos

  • Group 1-5 showed a preference for the higher-value 5-yen reinforcement, while Group 3-2 did not exhibit a clear preference pattern.

    • Impact:

    • The findings contribute to understanding choice behavior and reinforcement sensitivity in humans.
    • Results suggest that undermatching is a robust phenomenon, influenced by the magnitude of reinforcement.
    • This research has implications for designing effective reinforcement systems in various applied settings.