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Chapter 11

PSYB45H3 Chapter Notes - Chapter 11: Forward Chaining, Backward Chaining, Task Analysis

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Zachariah Campbell

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Chapter 11 Chaining
Task analysis: is the process of analyzing a behavioural chain by breaking it down into its individual
stimulus-response components. Goal is to teach a complex task to a person that involves two or more
component responses. First, identify all the behaviours necessary to perform the task and write them
down in order. Next, indentify the SD associated with each behaviour in the task.
Different ways to conduct a task analysis:
1. Observe a competent person engage in a task
2. Ask an expert ( a person who performs the task well)
3. Perform the task yourself and record each of the competent responses
Chaining procedures: are strategies that are used to teach complex tasks (behavioural chains). It
involves the application of prompting and fading strategies to each stimulus-response component in the
Three types of chaining procedures:
1. Backward chaining
2. Forward chaining
3. Total task presentation
Similarities between backward and forward chaining
both are used to teach a chain of behaviours
to use both procedures, you first have to conduct a task analysis that breaks down the chain into
stimulus-response components
both teach one behaviour (one component of the chain) at a time and chain the behaviours
both procedures use prompting and fading to teach each component
Differences between backward and forward chaining
forward chaining teaches the first component first, whereas backward chaining teaches the last
With backward chaining, because you teach the last component first, the learner completes the
chain in every learning trial and receives the natural reinforce in every learning trial. In forward
chaining, the learner does not complete the chain in every learning trial; artificial reinforcers are
used until the last component of the chain is taught. The natural reinforcer occurs after the last
behaviour of the chain.
When to use the total task presentation
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