Chapters 10 handout - Today’s Objectives Today’s Any...

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Unformatted text preview: Today’s Objectives Today’s Any questions? Review Verbal Behavior Chapter 10: Shaping – – – – – – What it is Basic procedures Real life examples Clinical examples Procedures for shaping Pitfalls of shaping Questions/Thoughts/Comments? Review : Verbal Behavior Review Mand ex: Mand – (demand, command, forceful request) – What time is it? What is that? – Determined by the motivating Operations Determined (satiation or deprivation) (satiation Tact ex: – Determined by an immediately prior non verbal Determined behavior behavior – Could be labeling something. Ex saying chair Could when we see a chair etc. when Shaping Shaping Sometimes, a behavior has never occurred, and Sometimes, you need a procedure to establish a behavior that never/rarely occurs never/rarely Shaping Shaping This is called shaping: This shaping The development of a new behavior by the The successive reinforcement of closer approximations of the behavior of Shaping is a series of differential reinforcements of Shaping only those behaviors which more and more closely resemble the terminal behavior So, you gradually change the requirements for So, reinforcement, so that the behavior must look more and more like the target behavior more Shaping: Basic Concepts Shaping: Choose a behavior (an initial behavior) that Choose occurs at least occasionally and resembles the terminal behavior along some meaninful deminsion (topography, latency, quality) deminsion When that response occurs at a high When frequency, stop reinforcing it and reinforce a behavior that is closer to the target behavior – (intermediate behavior) Continue reinforcing closer and closer “Real Life” examples of Shaping “Clinical” Examples of shaping Shaped speaking in a psychotic patient – Issacs, Thomasand Goldiamond – Reinforced successive approximations of Reinforced speech with gum speech Shaped glasses-wearing in an autistic child – Wolf et al. (1964) – Reinforced with candy successive Reinforced approximations of wearing the glasses (holding them, bringing them to close his face, touchin Procedures in Shaping Procedures Specifiy the terminal behavior Choose a starting behavior Identify the specific steps in shaping Pace the steps appropriately Pitfalls of shaping Pitfalls Can sometimes inadvertently shape Can inappropriate behavior inappropriate – Ex: Self Injurious behaviors – Progression of externalized behavior – Punishing approximations of behavior, because Punishing it is not perfect it Wrap-up Wrap-up Questions/thoughts/comments? Next Time: Chapter 11 ...
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This note was uploaded on 05/29/2011 for the course PSY 310 taught by Professor . during the Spring '11 term at Grand Valley State University.

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