psychology of learning exp4404 chapter 6: schedules of reinforcement dr. steve
TRANSCRIPT
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Psychology of LearningEXP4404
Chapter 6: Schedules of Reinforcement
Dr. Steve
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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
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Schedules of Reinforcement Schedule of Reinforcement
Continuous vs. Intermittent Schedules Continuous Reinforcement (CRF) Intermittent Reinforcement Schedules
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Intermittent Schedules
Fixed Ratio (FR) Post-Reinforcement Pause (aka, Preratio
Pause)
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Variable Ratio (VR)
Intermittent Schedules
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Fixed Interval (FI)
Intermittent Schedules
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Variable Interval (VI)
Intermittent Schedules
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Intermittent Schedules
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Other Simple Schedules
Fixed Duration (FD)
Variable Duration (VD)
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Differential Reinforcement of Low Rate (DRL) Differential Reinforcement of High Rate
(DRH)
Other Simple Schedules
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Noncontingent Reinforcement (NR) – Fixed Time (FT) Variable Time (VT)
Other Simple Schedules
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Resistance to Extinction
Stretching the Ratio
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Partial Reinforcement Effect (PRE)
Resistance to Extinction
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Resistance to Extinction
Partial Reinforcement Effect
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Theories to Explain PRE Discrimination Hypothesis Frustration Hypothesis
Resistance to Extinction
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Theories to Explain PRE Sequential Hypothesis Response Unit Hypothesis
Resistance to Extinction
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Resistance to Extinction
Response Unit Hypothesis
*Response (unit) defined as the number of lever presses required for reinforcement
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Complex Schedules
Multiple Schedule
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Mixed Schedule Chain Schedule Tandem Schedule
Complex Schedules
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Comparison of Complex Schedules (so far)
Complex Schedules
Reinforcement only after All Phases Complete
Reinforcement throughout learning on schedule
Discriminative Stimulus (SD) for each phase
No Discriminative Stimulus (SD) for each phase
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Cooperative Schedules Social Loafing?
Concurrent Schedules
Complex Schedules
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Matching Law
Given the choice of 2 schedules, what happens? Matching Law (Herrnstein, 1961)
B1/B2 = r1/r2
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Applications of Schedules of Reinforcement
Training Problem of errorless training
Parenting