A positive reinforcer refers to a stimulus or event that, when presented after a behavior, increases the likelihood of that behavior occurring again in the future. It is something desirable or rewarding that strengthens and encourages a desired response.
Related terms
Negative Reinforcement: Negative reinforcement involves removing an aversive stimulus after a behavior, increasing the probability of that behavior happening again.
Primary Reinforcer: A primary reinforcer is an innately satisfying stimulus that fulfills basic needs such as food, water, or sleep.
Secondary Reinforcer: A secondary reinforcer is a learned or conditioned reinforcer that gains value through its association with primary reinforcers.