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Canada (158,372)
Psychology (9,573)
PSYA02H3 (932)
John Bassili (149)
Chapter 11

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University of Toronto Scarborough
John Bassili

Chapter 11 ChainingBehavioural chain complex behaviour consisting of many component behaviours that occur together in a sequenceExamples of behavioural chains o Chewing gum 1 Reach into pocket 2 Pull out pack of gum 3 Pull a single stick out of pack 4 Unwrap piece of gum 5 Put gum into mouthEach behaviour in the chain can be completed only after previous behaviours in chain have been completed in sequenceStimulus response chain another name for behavioural chain o Each behaviour or response in chain produces a stimulus change that acts as an Sd for the second response in the sequence second response produces Sd for third response etc o Whole stimulusresponse chain is under stimulus control so first response occurs when stparticular Sd is presented eg gum in pocket is Sd for 1 response bin full of towels o Behavioural chain continues only if last response in chain results in reinforcing consequence o Folded towel in box is conditioned reinforcer for behavioural chain of folding towel bc its associated with other reinforcers such as getting paid and being praised by bossEstablishing operationmaking the reinforcer more reinforcing at a certain time this increases likelihood that youll start the behavioural chain in gum example stinky breathTask analysis process of analyzing a behavioural chain by breaking it down into its individual stimulusresponse components 1 Identify all behaviours necessary to perform task and write them down in order 2 Identify Sd associated with each behaviour in taskDifferent ways to conduct a task analysis o Observe a competent person engage in the task o Ask an expert a person who performs the task well o Perform the task yourself and record each of the component responsesIf learner having difficulty with certain behaviour in chain may break it down into more components if learner is mastering then can combine units of behaviour into one 5 step into 3 stepChaining procedures strategies for teaching complex tasks behavioural chains o Involves systematic application of prompting and fading strategies to each stimulusresponse components in the chain o 3 different chaining procedures1 Backward chaining 2 Forward chaining 3 Total task presentation
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