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Published byMaude Hamilton Modified over 9 years ago
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Developing New Behavior
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Non Contingent Reinforcement Potency (e.g. amount/quality) of “R+” Include Extinction Vary “Reinforcement”
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Behavioral Momentum High Probability requests Resistance to extinction
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Functional Communication Training Differential Reinforcement Look/ Watch me
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Imitation Any physical functioning as “model” (e.g. antecedent) Immediate imitative behavior follows model – 5 seconds Both model and behavior must be similar – Must “do the same” Model must be controlling variable – “Doing the same is not enough”
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Shaping
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Reinforcing successive approximations to the target response while extinguishing preceding approximations. √ Does not have to be done in an exact way This concept requires understanding of Reinforcement, extinction, and Differential Reinforcement.
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Terms Terminal Behavior: The final goal of an intervention Operant Level: Frequency of responding before reinforcement Initial Behavior: Some behavior that resembles the terminal behavior in some way. Intermediate behaviors: Those behaviors that more closely approximate the target responses.
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Enhancing Shaping: Prompting & Fading Add an SD Physical Guidance Imitative response (Model) – These are all prompts that must be faded
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Lookin’ for a volunteer Who wants to shape up their behavior?
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Chaining √ Must be done in a general stepwise format e. g. making a sandwich √ Each response serves a dual function – Signal for next response – Reinforcer for completion of the previous response.
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Methods of Chaining Forward – R1 R1 R1 – R2 R2 R2 etc. Total-Task – R1 R2 R3 etc. – Provide help when needed – Stop when criterion met (3 times with no help?) Backward – Start with final link – With leap ahead…
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Task Analysis Breaking a behavioral chain into its smaller responses. Extent to which you are successful with teaching new behaviors from a chaining perspective is directly related to your ability to do a good task analysis.
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Time to make a chain Do a task analysis for the problem 359 / 13 Do a task analysis for a chain of responses that you consider yourself an expert in that perhaps no one else in the class is.
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Chaining Assessment Single Opportunity – Measurement of all steps in correct sequence – Quick to conduct – More conservative – Tells little information Multiple-Opportunity – Measurement of each link
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Respondent Conditioning
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Do not say Classical Conditioning - Eliciting not evoking behavior - Automatic Physiological responses not controlled free willed or operant responses
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General Pavlov: Russian Physiologist US UR US + CS CR CS CR
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Examples Example 1: Salivating Dogs and Bells Example 2: Little Albert & White Rats Example 3: Chemo Therapy & Favorite foods Example 4: Mammalary Effusion: Leaking Breasts Example 5: Phobias Example 6: Bedwetting Example 7: Aversion Therapy
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Factors That influence Respondent Conditioning Number of pairings inter-stimulus interval:.5 sec Continuous Pairing > Intermittent Pairing Intense Stimuli (CS US)
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Respondent Extinction Stop pairing the CS with the UCS Q. How is this different than escape extinction?
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Compound Stimulus Two stimuli together is your CS Generalized Conditioning – Second order conditioning, third order and so on – Generally it gets weaker and easier to extinguish √ Difficult due to respondent extinction
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Drug Overdoses Generally due to taking too much poison. Novel environments play major role – Drugs not only produce a high, but also counter effects to reduce the high. – The drug, Room, Needle Prick – Thought? Coke Classic vs. Caffeine Free Coke
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Operant-Respondent Interactions Emotions: Rewards and Punishers are associated with internal events Thinking: Words are associated with senses
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Systematic Self-Desenstization Construct a Fear Hierarchy (0-100; least to most fearful) - SUD : Subjective Unit of Discomfort Deep Muscle Relaxation: Implement Program
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Flooding Putting person in fearful situation with positive outcome. Not allowing the CS to be paired with UCS Not recommended
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