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Positive reinforcement is a powerful method for teaching new behaviors to both animals and humans. B.F. Skinner demonstrated this with his experiments using rats in a Skinner box. When a rat pressed a lever, it received a food pellet. This immediate reward encouraged the rat to repeat the behavior. This method, where a reward follows every instance of the behavior, is known as continuous reinforcement. It is highly effective for establishing new behaviors quickly.
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Reinforcement value and fixed-interval performance.

Jonathan Buriticá1, Cristiano V Dos Santos1

  • 1Centro de Estudios e Investigaciones en Comportamiento, Universidad de Guadalajara.

Journal of the Experimental Analysis of Behavior
|August 30, 2017
PubMed
Summary
This summary is machine-generated.

Reinforcement devaluation, by delaying rewards or reducing hunger, decreased response rates and lengthened pauses in behavior studies. This suggests devaluation may weaken stimulus control over actions.

Keywords:
Wistar ratslever pressreinforcement valuereinforcer delaytiming

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Area of Science:

  • Behavioral psychology
  • Animal behavior studies
  • Operant conditioning

Background:

  • Reinforcement value is key to understanding how variables like delay and deprivation influence behavior.
  • Previous research suggests reinforcement devaluation can alter timing and performance under fixed-interval (FI) schedules.

Purpose of the Study:

  • To investigate the impact of reinforcement devaluation on performance under fixed-interval (FI) schedules.
  • To examine how delaying reinforcement and diminishing deprivation affect behavior.

Main Methods:

  • Experiments involved devaluing reinforcement through delay (Experiments 1A, 1B, 2) and diminished deprivation (Experiments 3A, 3B).
  • Behavioral responses under fixed-interval schedules were measured.

Main Results:

  • Reinforcement devaluation led to reduced response rates and increased post-reinforcement pauses.
  • The number of one-response intervals also increased following devaluation.
  • Effects on other timing measures like quarter life and breakpoint were inconsistent.

Conclusions:

  • Reinforcement devaluation, encompassing delayed reinforcement and diminished deprivation, significantly impacts behavior.
  • Devaluation may reduce the effectiveness of stimulus control.
  • The mechanisms of delayed reinforcement might explain broader devaluation effects through reinforcement value.