A reinforcer is a consequence that ________ a behavior, while a punisher is a consequence that ________ a behavior.

A) motivates; stimulates
B) weakens; strengthens
C) inhibits; motivates
D) strengthens; weakens

Reinforcer

In behaviorism, any stimulus which strengthens or increases the probability of a specific response or behavior.

Punisher

A stimulus that decreases the likelihood a behavior will be repeated, often by introducing an adverse outcome or removing a positive one.