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Psychology of Learning EXP4404. Chapter 10: Generalization, Discrimination, and Stimulus Control Dr. Steve. Topics Covered. Generalization Measurement Semantic Generalization Discrimination Discrimination Training S D vs. S Δ Procedures Stimulus Control
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Psychology of LearningEXP4404 Chapter 10: Generalization, Discrimination, and Stimulus Control Dr. Steve
Topics Covered • Generalization • Measurement • Semantic Generalization • Discrimination • Discrimination Training • SD vs. SΔ • Procedures • Stimulus Control • Theories of Generalization and Discrimination • Analysis of Behavior
Generalization • Generalization • Classical Conditioning • Operant Conditioning
Generalization • Generalization is vital to learning and survival and crucial to research • Increase generalization by learning or practicing in a variety of settings
Generalization • Generalization Gradient
Generalization • Primary vs. Secondary Generalization • Primary- • Secondary
Generalization • Semantic Generalization
Generalization • Generalization of behaviors following punishment or extinction • Inhibitory generalization Responses S-
Discrimination • DiscriminationTraining • Training procedure: • Acquisition of response in one situation • Extinction of response in all other situations
Discrimination • Discrimination Training Methods • Successive Discrimination Training • Simultaneous Discrimination Training • Matching to Sample • Oddity Matching
Discrimination • Discrimination Training S+ S- Video example discrimination training to encourage stair use
Discrimination • Errorless Discrimination Training • Differential Outcome Effect
Stimulus Control • Stimulus Control Imprecise Stimulus Control Precise Generalization Discrimination
Stimulus Control • Variables that effect stimulus control (Generalization vs. Discrimination) • Practice • Schedule of Reinforcement • Delay of Reinforcement • Goal of Training • Generalization • Discrimination
Theories of Generalization & Discrimination • Discrimination Training characterized by:
Theories of Generalization & Discrimination Peak Shift Behavioral contrast S-
Theories of Generalization & Discrimination • Pavlov’s Theory • The more closely a neutral stimulus resembles a CS+, • If neutral stimulus resembles CS-,
Theories of Generalization & Discrimination • Spence’s Theory • (excitatory gradient) • (inhibitory gradient) • (algebraic summation) Peak Shift Excitatory Gradient Net Gradient P(Response) Inhibitory Gradient S+ S- 250 500 750 1000 Hz
Theories of Generalization & Discrimination • Lashley-Wade Theory
Theories of Generalization & Discrimination • Kohler’s Relational Theory • Transpositional Effect S+ S- Discrimination Training Learned “lighter than”
Analysis of Behavior • Mental Rotation or Discrimination Training?
Analysis of Behavior • Smoking Relapse
Analysis of Behavior • Experimental Neuroses • Type of learned helplessness • E.g., child who can’t figure out how to please mother (what is considered a properly made bed)