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Psychology of Learning EXP4404

Psychology of Learning EXP4404. Chapter 6: Schedules of Reinforcement Dr. Steve. Topics Covered. Intermittent Schedules of Reinforcement FR, VR, FI, VI Other Simple Schedules Resistance to Extinction Partial Reinforcement Effect Theories of PRE Complex Schedules Matching Law

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Psychology of Learning EXP4404

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  1. Psychology of LearningEXP4404 Chapter 6: Schedules of Reinforcement Dr. Steve

  2. Topics Covered • Intermittent Schedules of Reinforcement • FR, VR, FI, VI • Other Simple Schedules • Resistance to Extinction • Partial Reinforcement Effect • Theories of PRE • Complex Schedules • Matching Law • Applications of Research

  3. Schedules of Reinforcement • Schedule of Reinforcement • Continuous vs. Intermittent Schedules • Continuous Reinforcement (CRF) • Intermittent Reinforcement Schedules

  4. Intermittent Schedules • Fixed Ratio (FR) • Post-Reinforcement Pause (aka, Preratio Pause)

  5. Intermittent Schedules • Variable Ratio (VR)

  6. Intermittent Schedules • Fixed Interval (FI)

  7. Intermittent Schedules • Variable Interval (VI)

  8. Intermittent Schedules

  9. Other Simple Schedules • Fixed Duration (FD) • Variable Duration (VD)

  10. Other Simple Schedules • Differential Reinforcement of Low Rate (DRL) • Differential Reinforcement of High Rate (DRH)

  11. Other Simple Schedules • Noncontingent Reinforcement (NR) – • Fixed Time (FT) • Variable Time (VT)

  12. Resistance to Extinction • Stretching the Ratio

  13. Resistance to Extinction • Partial Reinforcement Effect (PRE)

  14. Resistance to Extinction Partial Reinforcement Effect

  15. Resistance to Extinction • Theories to Explain PRE • Discrimination Hypothesis • Frustration Hypothesis

  16. Resistance to Extinction • Theories to Explain PRE • Sequential Hypothesis • Response Unit Hypothesis

  17. Resistance to Extinction Response Unit Hypothesis *Response (unit) defined as the number of lever presses required for reinforcement

  18. Complex Schedules • Multiple Schedule

  19. Complex Schedules • Mixed Schedule • Chain Schedule • Tandem Schedule

  20. Complex Schedules • Comparison of Complex Schedules (so far)

  21. Complex Schedules • Cooperative Schedules • Social Loafing? • Concurrent Schedules

  22. Matching Law • Given the choice of 2 schedules, what happens? • Matching Law (Herrnstein, 1961) • B1/B2 = r1/r2

  23. Applications of Schedules of Reinforcement • Training • Problem of errorless training • Parenting

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