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Chapter 14

Chapter 14 Notes

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University of Toronto Scarborough
Zachariah Campbell

Chapter 14: Applying Extinction Extinction: Use of extinction to eliminate a problem behaviour. Extinction is a basic principle of behaviour in which eliminating the reinforcing consequence for a behaviour results in the decrease in the frequency of the behaviour. To use extinction you must first identify the reinforcer that maintains the problem behaviour and then eliminate it. A behaviour that is no longer reinforced will decrease in frequency and stop. Case of Willy - 54 year old w mild mental retardation - moved into group home - PROBLEM BEHAVIOUR: argued when asked by staff person to do a training activity ie. Cooking, cleaning, laundry, or another independent living skill. - Functional assessment interview & ABC observations produced info: o Antecedent : a female staff person asked Willy to perform a daily living task. Willy didnt do this when a male staff person asked him to perform a task. o Problem Behaviour: Willy verbally refused to do the task & made statements ie. Thats womens work etc. This continued up to 15 minutes, but usually he would complete the task eventually. o Consequence: the female staff member argued w Willy, said he was making sexist comments, & tried to convince him that men have to do these also, often became visibly upset & argued with him until he started to perform the task. o Hypothesis: the antecedent event: female member asking Willy to complete a task & staff persons attention (arguing, explaining, emotional reaction) after the problem behaviour was the reinforcing consequence o ** Negative reinforcement (escape) didnt play a role because Willy eventually completed the task. o Outcome: Willy is more likely to refuse to do tasks and make sexist remarks when female staff members make a request. - Goal: decrease the frequency of Willys problem behaviour. - THUS: Female staff members would have to eliminate their attention after the behaviour - Group home meeting w staff to teach them how to use extinction w Willy. www.notesolution.com
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