Lecture 12 - Operant Conditioning

Lecture 12 - Operant Conditioning - Lecture 12 Classical...

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Lecture 12 1 Operant Conditioning Josh Wede Psych 100 Classical Conditioning Classical conditioning forms associations between stimuli (CS and US). Also relies on respondent behavior Automatic response to a stimulus Operant Conditioning Operant conditioning forms association between behaviors and resulting events. Behavior that operates on environment, producing consequences Skinner’s Experiment Law of effect rewarded behavior is likely to recur Created an operant chamber (Skinner box) Skinner Box (Operant Chamber) Could train animals to do unnatural behaviors Walk in figure 8, play Ping-Pong Shaping Reinforcers guide behavior closer towards a desired behavior If want dog to roll over Give treat when sits Then when lays down Finally, when rolls over Called successive approximations
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Lecture 12 2 Shaping Can train animals to discriminate many types of objects and events Pigeons can discriminate flowers, people, cars and chairs Even Bach’s and Stravinsky’s music Types of Reinforcers Any event that strengthens the behavior it follows Positive reinforcement Increasing behaviors by presenting positive stimuli Negative reinforcement Increasing behaviors by removing
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Lecture 12 - Operant Conditioning - Lecture 12 Classical...

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