a.p. psychology modules 20-22
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A.P. Psychology Modules 20-22. Classical Conditioning, Operant Conditioning & Observational Learning. Learning & Association. Learning relatively permanent change in an organism’s behavior due to experience We learn by association - PowerPoint PPT PresentationTRANSCRIPT
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A.P. Psychology Modules 20-22
Classical Conditioning, Operant Conditioning & Observational Learning
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Learning & Association Learning
relatively permanent change in an organism’s behavior due to experience
We learn by association Our minds naturally connect events that occur in sequence
Associative Learning learning that two events occur together
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Classical or Pavlovian Conditioning We learn to
associate two stimuli
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Classical Conditioning Ivan Pavlov
1849-1936Classical Conditioning organism comes to associate two stimuli
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Pavlov’s Classic ExperimentBefore Conditioning
During Conditioning After Conditioning
UCS (foodin mouth)
Neutralstimulus(tone)
Nosalivation
UCR (salivation)
Neutralstimulus(tone)
UCS (foodin mouth)
UCR(salivation)
CS(tone)
CR (salivation)
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Classical Conditioning Unconditioned Stimulus (UCS)
stimulus that unconditionally--automatically and naturally--triggers a response
Unconditioned Response (UCR) unlearned, naturally occurring response to the
unconditioned stimulus
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Classical Conditioning
Conditioned Stimulus (CS) originally irrelevant stimulus that, after
association with an unconditioned stimulus, comes to trigger a conditioned response
Conditioned Response (CR) learned response to a previously neutral
conditioned stimulus
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Classical Conditioning Acquisition
the initial stage in classical conditioning Extinction
diminishing of a CR Spontaneous Recovery
reappearance of an extinguished CR Generalization
tendency for stimuli similar to CS to elicit similar responses Discrimination
the learned ability to distinguish between a CS and other stimuli that do not signal a UCS
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Behaviorism & Classical Conditioning John B. Watson
viewed psychology as objective science
recommended study of behavior without reference to unobservable mental processes
“Baby Albert” experiment
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Classical Conditioning
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Operant Conditioning Law of Effect
E.L. Thorndike behaviors followed by favorable consequences
become more likely, and behaviors followed by unfavorable consequences become less likely
Operant Conditioning behavior is strengthened if followed by
reinforcement or diminished if followed by punishment
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Operant ConditioningOperant Behavior
operates (acts) on environment produces consequences
Respondent Behavior occurs as an automatic response to stimulus
behavior learned through classical conditioning
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Operant Conditioning
B.F. Skinner (1904-1990)
Skinner's Experiments
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Operant Chamber Skinner Box
chamber with a bar or key that an animal manipulates to obtain a food or water reinforcer
contains devices to record responses
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Operant Conditioning
Reinforcer any event that strengthens the behavior it follows
Shaping procedure in which reinforcers guide behavior toward closer approximations of a desired goal
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Operant Conditioning
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Principles/Schedules of Reinforcement Primary Reinforcer
innately reinforcing stimulus Conditioned Reinforcer
stimulus that gains its reinforcing power through its association with primary reinforcer
secondary reinforcer Continuous Reinforcement
reinforcing the desired response each time it occurs
Partial (Intermittent) Reinforcement reinforcing a response only part of the time
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Schedules of ReinforcementFixed Ratio (FR)
reinforces a response only after a specified number of responses
faster you respond the more rewards you getVariable Ratio (VR)
reinforces a response after an unpredictable number of responses
Fixed Interval (FI) reinforces a response only after a specified time has elapsed
Variable Interval (VI) reinforces a response at unpredictable time intervals produces slow steady responding
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Punishment
Punishment aversive event that decreases the behavior that it follows
powerful controller of unwanted behavior
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Punishment
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Cognition & Operant Conditioning Cognitive Map
mental representation of the layout of one’s environment
Latent Learning learning that occurs, but is not apparent until
there is an incentive to demonstrate it Overjustification Effect
the effect of promising a reward for doing what one already likes to do
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Cognition & Operant Conditioning
Intrinsic Motivation desire to perform a behavior for its own sake and to be effective
Extrinsic Motivation desire to perform a behavior due to promised rewards or threats of punishments
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Classical vs. Operant Conditioning
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Observational Learning
Observational Learning learning by observing others
Modeling process of observing and imitating a
specific behavior Mirror Neurons
frontal lobe neurons that fire when performing certain actions or when observing another doing so
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Observational Learning
Albert Bandura Bobo doll
Bandura's Experiment
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Observational Learning
Prosocial Behavior positive, constructive, helpful behavior
opposite of antisocial behavior
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TV & Observational Learning