Related Experiment Video
Updated: Aug 7, 2026

07:05
Operant Protocols for Assessing the Cost-benefit Analysis During Reinforced Decision Making by Rodents
Published on: September 10, 2018
Response-reinforcer independence and the economic continuum: A preliminary analysis
Journal of the Experimental Analysis of Behavior
|January 1, 1993
Summary
Pigeons pecked more when less food was available through variable schedules, showing a link between food availability and behavior. This study explores response-reinforcer independence in pigeons.
Area of Science:
- Behavioral science
- Animal behavior
- Operant conditioning
Background:
- Understanding how reinforcement schedules influence behavior is crucial in behavioral science.
- Previous research has explored earned and unearned food delivery, but the 'economic continuum' needs further investigation.
Purpose of the Study:
- To investigate the relationship between earned and unearned food reinforcement schedules in pigeons.
- To analyze how response-reinforcer independence affects key pecking behavior.
- To explore conditions on an 'open-to-closed economy continuum' using variable schedules.
Main Methods:
- Three pigeons were exposed to 1-hour and 4-hour sessions with food earned via a fixed-ratio 50 schedule.
- Additional food was provided using variable-interval or variable-time schedules, with varying frequencies.
- Post-session food was given after 1-hour sessions, creating different economic conditions.
Main Results:
- Key pecking frequency increased as the availability of variable-interval or variable-time food decreased.
- The study observed a clear trend indicating that reduced unearned food led to increased earned responses.
- An economic-continuum analysis using an independence quotient explained the observed behavioral changes.
Conclusions:
- Response-reinforcer independence is a key factor in understanding pigeon behavior under varying food availability.
- The findings support an economic-continuum model for analyzing operant behavior.
- Behavioral economics principles can be applied to predict responses based on reinforcement schedules.
Related Concept Videos
Primary and Secondary Reinforcers
In psychology, reinforcement is a key concept in behavior modification. B.F. Skinner demonstrated this with his experiments involving rats in what is known as a Skinner box. The rats learned to press a lever to receive food, a primary reinforcer that fulfilled their innate need for nourishment.
Effective reinforcers for humans vary depending on the individual and the context. Primary reinforcers, such as food, water, sleep, shelter, and pleasure, have inherent value and satisfy basic biological...
Effective reinforcers for humans vary depending on the individual and the context. Primary reinforcers, such as food, water, sleep, shelter, and pleasure, have inherent value and satisfy basic biological...
Reinforcement Schedules
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.
Once a behavior is learned,...
Once a behavior is learned,...
Reinforcement
Positive and negative reinforcement are key concepts in operant conditioning, a learning process where the consequences of a behavior affect the likelihood of that behavior being repeated.
Positive reinforcement occurs when a behavior is followed by the presentation of a rewarding stimulus, increasing the frequency of that behavior. For example:
Positive reinforcement occurs when a behavior is followed by the presentation of a rewarding stimulus, increasing the frequency of that behavior. For example:
Timing and Consequences on Behavior
In operant conditioning, the timing of reinforcement is crucial. For animals like rats and cats, immediate reinforcement (within a few seconds) is much more effective than delayed reinforcement. For example, a food reward for a rat needs to follow within 30 seconds of pressing a bar to be effective.
Humans, however, can respond to delayed reinforcers. We often make decisions between immediate small rewards and delayed larger rewards. This ability to delay gratification is a significant factor...
Humans, however, can respond to delayed reinforcers. We often make decisions between immediate small rewards and delayed larger rewards. This ability to delay gratification is a significant factor...
Operant Conditioning Intervention
Operant conditioning serves as a foundational principle in therapeutic interventions aimed at modifying maladaptive behaviors. Central to this approach is the notion that behaviors, both adaptive and maladaptive, are learned through reinforcement. By analyzing the environmental factors that reinforce problematic behaviors, clinicians can design interventions to weaken these reinforcements and replace maladaptive behaviors with healthier alternatives.
In operant conditioning, behaviors that are...
In operant conditioning, behaviors that are...
Generalization, Discrimination, and Extinction
Generalization, discrimination, and extinction are key concepts in operant conditioning that influence how behaviors are learned and maintained.
Generalization occurs when a behavior reinforced in one context is performed in similar situations. For instance, a student who studies diligently for calculus and receives excellent grades might apply the same study habits to psychology and history, expecting similar results. Generalization shows how learning in one setting can influence behavior in...
Generalization occurs when a behavior reinforced in one context is performed in similar situations. For instance, a student who studies diligently for calculus and receives excellent grades might apply the same study habits to psychology and history, expecting similar results. Generalization shows how learning in one setting can influence behavior in...

