Examlex
What is the difference between the symbol sets and symbol systems as they pertain to augmentative and alternative communication systems?
Antecedent
An event or environment that triggers a response or behavior, often used in the study of behavior and learning.
Negative Reinforcer
A stimulus whose removal following a behavior increases the likelihood of that behavior being repeated in the future.
Positive Reinforcer
Any stimulus that, when presented after a behavior, increases the likelihood of that behavior being repeated in the future.
Punisher
A stimulus or event that follows a behavior and decreases the likelihood of that behavior occurring in the future.
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