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![Page 1: Types of Learning Habituation: simple type: progressive decrease in response. Classical conditioning: classic S-R connective associations. Operant.](https://reader036.fdocuments.net/reader036/viewer/2022070401/56649f165503460f94c2c755/html5/thumbnails/1.jpg)
Types of Learning
Habituation: simple type: progressive decrease in response.
Classical conditioning: classic S-R connective associations.
Operant conditioning: associations between response and reinforcement.
Observational learning: see and (may) do; Reinforcement secondary to learning.
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Learning
Alteration in behavior/understanding as result of an encountered experience.
Excludes effects due to factors such as fatigue, drugs, maturation, disease, injury.
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Habituation
Is a decrease in R (response) to a stimulus that is repeatedly presented.
A two step process: Orienting response— attention is
directed toward the object. Habituate— a decrease in the
orienting response.
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Classical (Pavlovian) Conditioning
Basic-- Unconditioned Response (reflex). UCS-- unconditioned stimulus (natural). UCR-- unconditioned response (elicited)
by UCS).
UCS---------------->UCR.
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Classical Conditioning
Conditioned Response-- pair a “neutral” stimulus with UCS.
CS + UCS UCR Repeat pairing n times. CSCR It is now a learned response.
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Associated Phenomena(Applies to Operant Conditioning As Well)
Extinction
Spontaneous Recovery
Stimulus Generalization
Stimulus Discrimination: additional learning
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Arrangement Effects Acquisition
Delayed: UCS------------------>UCR CS------------------------
Trace: UCS ---------->UCRCS-------
Simultaneous: UCS------------------>UCRCS ------------------
Backward UCS------CS ---------->UCR
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Operant Conditioning
First identified by Thorndike in law of effect-- responses which produce satisfying results strengthen stimulus-response (S-R) connections.
Puzzle box-- cats.
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Operant Conditioning
B.F. Skinner
Skinner Box Operant-- an emitted response R
S(box) R-----> reinforcer R
repeat n times S-------->R (learned behavior)
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Reinforcement-- a Stimulus Which Increases Probability of Response
Constant/continuous:behavior reinforced for every “correct” response
Leads to rapid acquisition
Partial/intermittent: Variation in
reinforcement for each “correct” response
Leads to increased resistance to extinction
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Partial/Intermittent
Ratio-- based on number of responses
Interval- based on time between responses
Ratio or interval: either
schedule can be fixed or variable
Fixed-- constant pattern
Variable-- irregular pattern
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Reinforcement: behavior is determined by its consequences
Positive reinforcement:
when added (by that R), strengthens occurrence of R.
Negative reinforcement:
when removed (by that R), strengthens the occurrence of R
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Both have effect of increasing occurrence
of R Positive:
Praise Money Tokens (token
economy) candy/food
Negative:
Withdrawal ofshock
nagging anxiety
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Punishment
-- Elimination of R (outcome of R is unfavorable).
Transient effect. Produces anxiety, stress, dislike of
punishing. Effects less predictable.
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Reinforcement vs. Punishment
Reinforcement: acquisition. Punishment: elimination. The behavior results in:
1. Positive: add or introduce element.
2. Negative: element is withdrawn.
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Reinforcement vs. Punishment
+ Reinforcement = behavior produces ST desirable. + Punishment = behavior produces ST undesirable. - Reinforcement = behavior produces ST desirable. - Punishment = behavior produces ST undesirable.
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Reinforcement vs. Punishment
Positive:Rein = increased probability acquisition.
Pun = decreased probability of repetition.
Negative:
Rein = increased probability acquisition.
Pun = decreased probability of repetition.
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Observational Learning
Model (acting) + observer = learned R. Occurs w/o reinforcement.
Reinforcement may facilitate performance (not learning).
Bobo doll: aggressive behavior.
Some watched, others did not; Later were frustrated in same room.
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Observational Learning
Results:
Similar, but 3 IV conditionslive modelfilmed modelcartoon model
DVs: amount aggressive behavior; specificity of R
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Processes
Attention Retention Motor reproduction Motivation
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Reciprocal Determinism
Interaction cause-effect model of behavior
P (beliefs, motives, disposition) E (rewards, structure) B (behavior of P) Each interact with the other to
produce behavior