Monday, April 25, 2011

Extinction of Extinction

Extinction is the practice of not providing reinforcement to a previously reinforced behavior. This strategy, when combined with reinforcement for an appropriate alternative behavior, is a strong behavior change mechanism. However, it can be difficult to ignore some behaviors. New research from the Journal of Applied Behavior Analysis has demonstrated another method that does not require extinction. They tested increasing the duration of access to a reinforcer, providing a higher quality reinforcer for the desired behavior and a lower quality reinforcer for the undesired behavior, delaying reinforcement by 30-60s for an undesired behavior compared to the desired behavior, and a combination of all of the above. The data showed that a combination of the above: providing a high quality, immediate reinforcer for a longer time for a desired behavior also lead to behavior change.

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