Module 19, 20 2-11-2010 - Introductory Psychology TA:...

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Introductory Psychology TA: Jennifer Wong February 11, 2010 Module 19: Operant Conditioning 1. Reinforcers 1. Reinforcement: any event that strengthens the behavior it follows. 1. Positive: add a desirable stimulus 2. Negative: remove an aversive stimulus (fastening a seatbelt to turn off beeping) 2. Types of Reinforcers 1. Primary: An innately reinforcing stimulus like food or drink. 2. Conditioned: A learned reinforcer that gets its reinforcing power through association with the primary reinforcer 3. Immediate: A reinforcer that occurs instantly after a behavior. (Food) 4. Delayed: A reinforcer that is delayed in time for a certain behavior. (A paycheck) – works better with humans than with animals 3. Schedules 1. Continuous reinforcement: reinforces the desired response each time it occurs 2. Partial reinforcement: reinforces a response only part of the time. Though this results in slower acquisition in the beginning, it shows greater resistance to extinction later on. 3. Fixed-ratio schedule: Reinforces a response only after a specified number of
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Module 19, 20 2-11-2010 - Introductory Psychology TA:...

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