A reinforcer is a consequence that Strengthens a behavior, while a punishment is a consequence that Weakens a behavior.
Behavior is how someone acts. It is what a person does to make something happen, to make something change or to keep things the same. Behavior is a response to things that are happening: internally - thoughts and feelings. externally - the environment, including other people.
A reinforcer is any consequence that causes the preceding behavior to increase. The increase may be in intensity, frequency, magnitude or some other quality. There are two subtypes: Positive.
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