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Schedules of Reinforcement

Schedules of Reinforcement. Skinner and Operant conditioning. Skinner and schedules of reinforcement…. http:// www.youtube.com/watch?v = I_ctJqjlrHA. Types of Reinforcers. Primary - Secondary. Continuous v s Partial. Continuous The behavior is reinforced every time it occurs

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Schedules of Reinforcement

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  1. Schedules of Reinforcement Skinner and Operant conditioning

  2. Skinner and schedules of reinforcement…. • http://www.youtube.com/watch?v=I_ctJqjlrHA

  3. Types of Reinforcers • Primary • - • Secondary

  4. Continuous vs Partial • Continuous • The behavior is reinforced every time it occurs • This schedule is best used at the beginning of a reinforcement exercise • - why wouldn’t continuous reinforcement work?

  5. Partial reinforcement ( aka Intermittent reinforcement) reinforcing a response only part of the time • results in slower acquisition • greater resistance to extinction

  6. The basics… • Fixed- set • Variable- changes • Ratio- number • Interval- time

  7. Fixed Interval • reinforces a response only after a specified time has elapsed • response occurs more frequently as the anticipated time for reward draws near

  8. Variable Interval • reinforces a response at unpredictable time intervals • produces slow steady responding • like pop quiz

  9. Fixed Ratio (FR) • reinforces a response only after a specifiednumber of responses • faster you respond the more rewards you get • different ratios • very high rate of responding • like piecework pay

  10. Variable Ratio (VR) • reinforces a response after an unpredictable number of responses • average ratios • like gambling, fishing • very hard to extinguish because of unpredictability

  11. Number of responses Fixed Ratio 1000 Variable Ratio Fixed Interval 750 Rapid responding near time for reinforcement 500 Variable Interval 250 Steady responding 0 10 20 30 40 50 60 70 80 Time (minutes)

  12. What do we do now? • Complete interval worksheet in purple packet

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