learning. adaptation to the environment learning—any process through which experience at one time...
TRANSCRIPT
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Learning
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Adaptation to the Environment
• Learning—any process through which experience at one time can alter an individual’s behavior at a future time
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Learning Processes
• Operant conditioning
• Behaviorism
• Classical conditioning
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B. F. Skinner’s Operant Conditioning
• Did not like Thorndike’s term “satisfying state of affairs”
• Interested in emitted behaviors
• Operant—voluntary response that acts on the environment to produce consequences
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B. F. Skinner (1904–1990)
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Reinforcement—the occurrence of a stimulus following a response that increases the likelihood of the response being repeated
Operant Conditioning
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Behaviorism
• The attempt to understand observable activity in terms of observable stimuli and observable responses
• John B. Watson (1913)• B. F. Skinner (1938)
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Reinforcers
• Primary—a stimulus that is inherently reinforcing for a species (biological necessities)
• Conditioned—a stimulus that has acquired reinforcing value by being associated with a primary reinforcer
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Punishment
Presentation of a stimulus following a behavior that acts to decrease the likelihood that the behavior will be repeated
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Problems with Punishment
• Does not teach or promote alternative, acceptable behavior
• May produce undesirable results such as hostility, passivity, fear
• Likely to be temporary
• May model aggression
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Observation Learning
• Observation
• Modeling
• Imitation
• Albert Bandura
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Ivan Pavlov (1849–1936)
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Pavlov’s Dogs
• Digestive reflexes and salivation
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Neutral Stimulus—Bell
• Does not normally elicit a response or reflex action by itself– a bell ringing
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Unconditioned Stimulus—Food
• Always elicits a reflex action: an unconditioned response– food
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Unconditioned Response —Salivation
• A response to an unconditioned stimulus—naturally occurring– Salivation at smell of food
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Conditioned Stimulus—Bell
• The stimulus that was originally neutral becomes conditioned after it has been paired with the unconditioned stimulus
• Will eventually elicit the unconditioned response by itself
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Conditioned Response
• The original unconditioned response becomes conditioned after it has been elicited by the neutral stimulus
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John B. Watson and Little Albert
• Conditioned emotional responses
• Generalization
• Extinction
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