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Related Experiment Videos

Stock optimizing: maximizing reinforcers per session on a variable-interval schedule

A Silberberg1, R Bauman, S Hursh

  • 1Department of Psychology, American University, Washington, DC 20016.

Journal of the Experimental Analysis of Behavior
|March 1, 1993
PubMed
Summary
This summary is machine-generated.

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Monkeys increased key presses when food was limited in Experiment 1, but decreased deposits in Experiment 2. This suggests different strategies, like valuing food more or optimizing intake, depending on how session length is signaled.

Area of Science:

  • Behavioral psychology
  • Animal behavior studies

Background:

  • Operant conditioning principles
  • Variable-interval schedules of reinforcement

Purpose of the Study:

  • Investigate how food restriction affects response rates in monkeys.
  • Differentiate between strength and optimizing accounts of behavior under deprivation.

Main Methods:

  • Two experiments using rhesus monkeys under variable-interval schedules.
  • Manipulated session length based on time or response count.
  • Controlled food availability to induce weight loss.

Main Results:

  • Experiment 1: Monkeys increased response rates when food was restricted.
  • Experiment 2: Monkeys decreased response rates when food was restricted.

Related Experiment Videos

  • Contrasting results linked to discriminability of session-ending contingency.

    • Conclusions:

    • Behavioral responses to food restriction depend on the predictability of reinforcement schedules.
    • Strength and optimizing strategies may be employed depending on environmental cues.
    • Response patterns reflect adaptive strategies to maintain energy balance.