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Published byNorman Price Modified over 9 years ago
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Chapter 6: Learning
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Classical Conditioning Ivan Pavlov A type of learning in which a neutral stimulus acquires the ability to elicit a response. How his theory began
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Figure 6.1 Classical conditioning apparatus
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Classical Conditioning Terminology –Unconditioned Stimulus (UCS) –Conditioned Stimulus (CS) –Unconditioned Response (UCR) –Conditioned Response (CR)
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Classical Conditioning
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UCSCS NS CR UCR Pair
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Figure 6.2 The sequence of events in classical conditioning
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Figure 6.3 Classical conditioning of a fear response
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Basic Processes in Classical Conditioning Acquisition –Learning a response tendency Extinction –Weakening of a response tendency Spontaneous recovery –An extinguished response reappears
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Basic Processes in Classical Conditioning Stimulus generalization –Conditioning generalizes to similar stimuli Stimulus discrimination –Response occurs only for a specific stimulus Higher-order conditioning –CS serves as a UCS for new conditioning
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Figure 6.8 Higher-order conditioning
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Operant Conditioning B.F. Skinner (1953) –Consequences of a behavior determine if the behavior will continue. –“Skinner box” –Shaping
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Figure 6.9 Reinforcement in operant conditioning
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Figure 6.10 Skinner box and cumulative recorder
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Basic Processes in Operant Conditioning Acquisition Shaping Extinction
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Reinforcement: Consequences that Strengthen Responses Primary Reinforcers –Satisfy biological needs Secondary Reinforcers –Conditioned reinforcement
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Consequences: Reinforcement and Punishment Increasing a response: –Positive reinforcement = Presentation of something pleasant –Negative reinforcement = Removal of something unpleasant Escape learning Avoidance learning Decreasing a response: –Punishment –Problems with punishment
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Consequences: Reinforcement and Punishment Increasing a response: –Positive reinforcement = Presentation of something pleasant –Negative reinforcement = Removal of something unpleasant Escape learning Avoidance learning
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Consequences: Reinforcement and Punishment Decreasing a response: –Punishment Presentation of something unpleasant Removal of something pleasant –Problems with punishment
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Figure 6.14 Positive reinforcement versus negative reinforcement
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Figure 6.15 Escape and avoidance learning
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Figure 6.16 Comparison of negative reinforcement and punishment
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Schedules of Reinforcement Continuous reinforcement Intermittent (partial) reinforcement –Ratio schedules Fixed Variable –Interval schedules Fixed Variable
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Figure 6.13 Schedules of reinforcement and patterns of response
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Changing Directions in the Study of Conditioning Biological Constraints on Conditioning –Instinctive Drift –Conditioned Taste Aversion –Arbitrary vs. ecological conditioned stimuli Cognitive Influences on Conditioning –Latent learning –Signal relations –Response-outcome relations
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Figure 6.19 Latent learning
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Observational Learning Albert Bandura –Observational learning Basic processes –attention –retention –reproduction –motivation
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Figure 6.20 Observational learning
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