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Related Experiment Videos

Preference and resistance to change in concurrent variable-interval schedules.

Matthew C Bell1, Ben A Williams

  • 1Santa Clara University, Psychology Department, 500 El Camino Real, Santa Clara, CA 95053, USA. mbell@scu.edu

Animal Learning & Behavior
|May 23, 2002
PubMed
Summary

Pigeons showed a preference for a variable-interval 40-sec schedule when paired with an 80-sec interval over one paired with a 20-sec interval. Preference and resistance to change in pigeons did not consistently covary.

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Area of Science:

  • Behavioral Psychology
  • Animal Cognition

Background:

  • Pigeons were trained on complex schedules to study choice behavior.
  • Understanding preference and resistance to change is key in behavioral economics.

Purpose of the Study:

  • To investigate pigeon preference between concurrent variable-interval schedules.
  • To examine if preference and resistance to change covary in pigeons.

Main Methods:

  • Pigeons were exposed to a multiple schedule with two components.
  • Concurrent variable-interval (VI) 40-sec/VI 80-sec and VI 40-sec/VI 20-sec schedules were used.
  • Extinction probe choice tests and resistance-to-change manipulations were conducted.

Main Results:

  • Pigeons preferred the VI 40-sec schedule when paired with VI 80-sec over when paired with VI 20-sec.

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  • Resistance to change was assessed through prefeeding, added free food, and extinction.
  • Preference and resistance to change did not consistently covary.

    • Conclusions:

    • Pigeons exhibit predictable preferences in concurrent schedules.
    • The relationship between preference and resistance to change is complex and not always direct.