myers’ exploring psychology (6th ed) chapter 7 learning
TRANSCRIPT
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Myers’ EXPLORING PSYCHOLOGY (6th Ed)
Chapter 7
Learning
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Learning
Learning relatively permanent change in an organism’s behavior due to experience
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Association
We learn by association Our minds naturally connect events that
occur in sequence Aristotle 2000 years ago John Locke and David Hume 200 years
ago Associative Learning
learning that two events occur together two stimuli a response and its consequences
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Association
Learning to associate two events
Event 1 Event 2
Sea snail associates splash with a tail shock
Seal learns to expect a snack for its showy antics
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Classical or Pavlovian Conditioning
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Operant Conditioning
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Classical Conditioning
_____________ 1849-1936 Russian
physician/ neurophysiologist
Nobel Prize in 1904
studied digestive secretions
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Pavlov’s Classic Experiment
Before 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
Pavlov’s device for recording salivation
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Classical Conditioning
______________________ organism comes to associate two
stimuli a neutral stimulus that signals an
unconditioned stimulus begins to produce a response that anticipates and prepares for the unconditioned stimulus
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Behaviorism
____________________ viewed psychology as
objective science recommended study of
behavior without reference to unobservable mental processes
“Give me a dozen healthy infants….and I’ll guarantee to train him to be a doctor, lawyer, or even a thief.”
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Classical Conditioning
______________________ stimulus that unconditionally--
automatically and naturally--triggers a response
______________________ unlearned, naturally occurring response
to the unconditioned stimulus salivation when food is in the mouth
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Classical Conditioning
_______________________ originally irrelevant stimulus that, after
association with an unconditioned stimulus, comes to trigger a conditioned response
_______________________ learned response to a previously neutral
conditioned stimulus
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Classical Conditioning
___________________ the initial stage in classical conditioning the phase associating a neutral stimulus
with an unconditioned stimulus so that the neutral stimulus comes to elicit a conditioned response
in operant conditioning, the strengthening of a reinforced response
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Classical ConditioningUCS(passionate kiss) UCR
(sexualarousal)
CS(onionbreath)
CS(onion breath) CR
(sexualarousal)
UCS(passionate Kiss) UCR
(sexualarousal)
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Classical Conditioning
_________________ diminishing of a CR in classical conditioning, when
a UCS does not follow a CS in operant conditioning, when
a response is no longer reinforced
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Classical Conditioning
Spontaneous Recovery reappearance, after a rest
period, of an extinguished CR
_____________________ tendency for stimuli similar
to CS to elicit similar responses
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Classical Conditioning
____________________ in classical conditioning, the
learned ability to distinguish between a CS and other stimuli that do not signal a UCS
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Poor Little Albert
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Operant Conditioning
_______________________ type of learning in which behavior is
strengthened if followed by reinforcement or diminished if followed by punishment
______________________ Thorndike’s principle that behaviors
followed by favorable consequences become more likely, and behaviors followed by unfavorable consequences become less likely
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Operant Conditioning
______________ (1904-1990) elaborated
Thorndike’s Law of Effect
developed behavioral technology
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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
____________________ any event that strengthens the
behavior it follows Shaping
operant conditioning procedure in which reinforcers guide behavior toward closer approximations of a desired goal
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Operant Conditioning
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Schedules of Reinforcement
Continuous Reinforcement reinforcing the desired response each
time it occurs Partial (Intermittent) Reinforcement
reinforcing a response only part of the time
results in slower acquisition greater resistance to extinction
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Schedules of Reinforcement
_____________________ reinforces a response only after a
specified number of responses faster you respond the more
rewards you get different ratios very high rate of responding like piecework pay
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Schedules of Reinforcement
_______________________ reinforces a response after an
unpredictable number of responses
average ratios like gambling, fishing very hard to extinguish because of
unpredictability
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Schedules of Reinforcement
____________________ reinforces a response only after
a specified time has elapsed response occurs more
frequently as the anticipated time for reward draws near
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Schedules of Reinforcement
_______________________ reinforces a response at
unpredictable time intervals produces slow steady responding like pop quiz
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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 and 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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Observational Learning
______________________ learning by observing others
Modelingprocess of observing and imitating a specific behavior
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Observational Learning
Albert Bandura’s Experiments Bobo doll we look and
we learn
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Observational Learning
This 14-month-old boy is imitating behavior he has seen on TV
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Television and Observational Learning