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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

Psychology of LearningEXP4404

Chapter 6: Schedules of Reinforcement

Dr. Steve

topics covered
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
schedules of reinforcement
Schedules of Reinforcement
  • Schedule of Reinforcement
  • Continuous vs. Intermittent Schedules
    • Continuous Reinforcement (CRF)
    • Intermittent Reinforcement Schedules
intermittent schedules
Intermittent Schedules
  • Fixed Ratio (FR)
  • Post-Reinforcement Pause (aka, Preratio Pause)
intermittent schedules1
Intermittent Schedules
  • Variable Ratio (VR)
intermittent schedules2
Intermittent Schedules
  • Fixed Interval (FI)
intermittent schedules3
Intermittent Schedules
  • Variable Interval (VI)
other simple schedules
Other Simple Schedules
  • Fixed Duration (FD)
  • Variable Duration (VD)
other simple schedules1
Other Simple Schedules
  • Differential Reinforcement of Low Rate (DRL)
  • Differential Reinforcement of High Rate (DRH)
other simple schedules2
Other Simple Schedules
  • Noncontingent Reinforcement (NR) –
    • Fixed Time (FT)
    • Variable Time (VT)
resistance to extinction
Resistance to Extinction
  • Stretching the Ratio
resistance to extinction1
Resistance to Extinction
  • Partial Reinforcement Effect (PRE)
resistance to extinction2
Resistance to Extinction

Partial Reinforcement Effect

resistance to extinction3
Resistance to Extinction
  • Theories to Explain PRE
    • Discrimination Hypothesis
    • Frustration Hypothesis
resistance to extinction4
Resistance to Extinction
  • Theories to Explain PRE
    • Sequential Hypothesis
    • Response Unit Hypothesis
resistance to extinction5
Resistance to Extinction

Response Unit Hypothesis

*Response (unit) defined as the number of lever presses required for reinforcement

complex schedules
Complex Schedules
  • Multiple Schedule
complex schedules1
Complex Schedules
  • Mixed Schedule
  • Chain Schedule
  • Tandem Schedule
complex schedules2
Complex Schedules
  • Comparison of Complex Schedules (so far)
complex schedules3
Complex Schedules
  • Cooperative Schedules
    • Social Loafing?
  • Concurrent Schedules
matching law
Matching Law
  • Given the choice of 2 schedules, what happens?
    • Matching Law (Herrnstein, 1961)
      • B1/B2 = r1/r2
applications of schedules of reinforcement
Applications of Schedules of Reinforcement
  • Training
    • Problem of errorless training
  • Parenting