PSYB45H3 Chapter : CH 6.docx

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2 Jun 2012
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Negative and positive reinforcement are processes tht strengthen operant behavior and extinction is a process tht weaken the operant behavior, also punishment. When a person engaged in a behavior and there was an immediate consequence tht made it less likely tht the person would repeat the behavior in similar situations in the future. Punisher: also called aversive stimulus, is a consequence tht mkes a particular behavior less likely to occur in the future. It is defined by the effect of the behavior it follows. A stimulus or event is a punisher when it decreases the frequency of the behavior it follows. you can"t define punishment by whether the consequence appears unfavourable, unpleasant, or aversive. You can conclude tht a particular consequence is punishing only if the behavior decreases in the future. Difference btwn the two is determined by the consequence of the behavior.