Lecture 9 - Lecture 9 More Learning Types of Consequences...

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7/6/2009 1 Lecture 9: More Learning Types of Consequences Classes of Reinforcers Primary reinforcers Innately rewarding Secondary reinforcers Through classical conditioning Schedules of Reinforcement Continuous reinforcement Reinforcement occurs after every response Example: Vending machine (hopefully) Partial reinforcement Intermittent Example: Slot machines
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7/6/2009 2 Partial Reinforcement Schedules Schedules and Response Patterns slot machines midterms pop quizzes Acquisition and Extinction Continuous reinforcement schedules Easiest to acquire and extinguish Example: vending machine Partial reinforcement schedules Hardest to extinguish Example: slot machine Biological constraints Some response-reinforcer associations are evolutionarily built in Unable to learn opposing associations Pecking is a feeding behavior. Wing flapping is an escape behavior.
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7/6/2009 3 When Skinner Boxes break down: Food every 15 seconds Not based on behavior Repeat behavior that occurred just before reinforcement Spinning in circles Bowing Pecking at corners Superstitious Behavior
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