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Chapter 6 Learning – 8th edition Learning Learning – Classical conditioning – Operant/Instrumental conditioning – Observational learning Ivan Pavlov – Classical conditioning Terminology – – – – Unconditioned Stimulus (UCS) Conditioned Stimulus (CS) Unconditioned Response (UCR) Conditioned Response (CR) Table of Contents Demonstration of Pavlov’s Dog http://www.youtube.com/watch?v=CpoLxEN54ho&feature=related Table of Contents Table of Contents Table of Contents Classical Conditioning: More Terminology Trial = pairing of UCS and CS Acquisition = initial stage in learning Stimulus contiguity = occurring together in time and space 3 types of Classical Conditioning – Simultaneous conditioning: CS and UCS begin and end together – Short-delayed conditioning: CS begins just before the UCS, end together – Trace conditioning: CS begins and ends before UCS is presented Classical Conditioning in Everyday Life – – – – Conditioned fears Other conditioned emotional responses Conditioning and physiological responses Conditioning and drug effects – F 6.6 Table of Contents Processes in Classical Conditioning Extinction Spontaneous Recovery Stimulus Generalization Discrimination Higher-order conditioning Applications of classical conditioning – Pavlov and persuasion – the use of images and products in advertisement Table of Contents XX 6.7 Table of Contents XXX 6.8 Table of Contents XX 6.10 Table of Contents Operant Conditioning or Instrumental Learning Edward L. Thorndike (1913) – the law of effect – puzzle box and learning curve – F 6.11 B.F. Skinner (1953) – principle of reinforcement – Operant chamber – “Skinner Box” – F 6.13a – Emission of response – Reinforcement contingencies – antecedents, behaviors, and consequences (ABC) – Cumulative recorder – F 6.13b – http://www.youtube.com/watch?v=AepqpTtKbwo&feature=related Table of Contents XX 6.12 Table of Contents Table of Contents Figure 6.13 Skinner box and cumulative recorder Basic Processes in Operant Conditioning Acquisition Shaping – p. 245 – animal examples Extinction Stimulus Control – Generalization – Discrimination Remote controlled rat – F 6.15 Table of Contents XX 6.14 Table of Contents Table 6.1 Comparison of Basic Processes in Classical and Operant Conditioning Table of Contents Reinforcement: Consequences that Strengthen Responses Delayed Reinforcement – Longer delay, slower conditioning Primary Reinforcers – Satisfy biological needs Secondary Reinforcers – Conditioned reinforcement Table of Contents Schedules of Reinforcement Continuous reinforcement Intermittent (partial) reinforcement Ratio schedules – Fixed – Variable Interval schedules – Fixed – Variable Schedules of reinforcement and everyday life – F 6.16 Table of Contents XX 6.17 Table of Contents Consequences: Reinforcement and Punishment Increasing a response: – Positive reinforcement = response followed by rewarding stimulus – Negative reinforcement = response followed by removal of an aversive stimulus • Escape learning • Avoidance learning Decreasing a response: – Punishment – Problems with punishment – third variable problem and correlation between punishment and aggression – F 6.21 Table of Contents XX 6.18 Table of Contents XX 6.19 Table of Contents XX 6.20 Table of Contents Changes in Our Understanding of Conditioning Biological Constraints on Conditioning – Breland and Breland (1961) – misbehavior of organisms – Instinctive Drift – Conditioned Taste Aversion – Garcia & Koelling (1966) – Figure 6.22 – Preparedness and Phobias Cognitive Influences on Conditioning – Signal relations – Response-outcome relations – Latent learning – F 6.23 Evolutionary Perspectives on learning Table of Contents XX 6.22 Table of Contents Observational Learning: Basic Processes Albert Bandura (1977, 1986) – Observational learning – F 6.24 – Vicarious conditioning – Bandura, Ross, & Ross (1963) – featured study p. 261 – 262 – Figure 6.25 4 key processes – – – – attention retention reproduction motivation acquisition vs. performance Table of Contents xxx 6.24 Table of Contents Bandura, Ross, & Ross (1963) featured study - p. 245 – 246 – Figure 6.25 http://www.youtube.com/watch? v=vdh7MngntnI&feature=related Table of Contents p. 245 Observational Learning and the Media Violence Controversy Studies demonstrate that exposure to TV and movie violence increases the likelihood of physical aggression, verbal aggression, aggressive thoughts, and aggressive emotions The association between media violence and aggression is nearly as great as the correlation between smoking and cancer – F 6.26 – third variable problem Table of Contents Figure 6.27. Comparison of the relationship between media violence and aggression to other correlations. Table of Contents Modify your own behavior? Figures 6.28 and 6.29 Table of Contents