PSYB45H3 Chapter Notes - Chapter 6: Tantrum, Vending Machine, Reinforcement

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S extinction- in operant conditioning, process or procedure in which reinforcement is terminated for a previously reinforced behaviour, making it less likely to occur in future. ->it is process where rate & force in performing the no-longer reinforced response decreases e. g. helen"s psychotic talk - nurses ignored it (used procedure of extinction), since nurses paying attention was past reinforcer . She reduced her psychotic talk from 90% of her speech to. Extinction for positive reinforcement positive reinforcement (receiving tangible/social reinforcers) = extinction involves making sure those rewards no longer provided. ->e. g. intervention tht used extinction to reduce arithmetic errors by bob which had received positive reinforcement: ->bob, reversed the digits in two-digit sum which was reinforced when he got attention from teacher: ->when teacher marked 20-problem work sheets, she marked each correct answer with c & each incorrect (reversed digits) with x which appeared to provide attention from teacher that served as reinforcer for reversals.

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