Which technique removes a reinforcer to reduce the frequency of a behavior?

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Extinction is the technique where the reinforcer that was previously supporting a behavior is removed, leading to a decrease in the frequency of that behavior. Positive reinforcement (B) and negative reinforcement (C) both involve the addition or removal of a reinforcer to increase the frequency of a behavior. Systematic desensitization (D) is a technique used in behavior therapy to gradually reduce anxiety associated with a specific phobia.

Which Technique Removes a Reinforcer to Reduce the Frequency of a Behavior