Professional Learning in the Learning Profession - Learning Forward
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Learning’ from Observations
Psychology
Qambrani Shoaib AnwerDBA – BBA (Finance)
ESL Certified
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Acquiring new, or modifying existing, knowledge, behaviors, skills.
Immediate response to a change in its environment
Children modeling after pro wrestlers
Bob
Dae
mm
rich
/ The
Im
age
Wor
ks
Gla
ssm
an/ T
he I
mag
e W
orks
Learning & Orienting Response
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Classical or Pavlovian Conditioning
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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
Basic Principles Acquisition Extension Spontaneous Recovery Generalization Discrimination Phobia
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Operant Conditioning
Associate a response and its consequence
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Operant Conditioning
Operant Conditioning type of learning in which behavior is
strengthened if followed by reinforcement or diminished if followed by punishment
Law of Effect 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 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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Types of Reinforcers
Reinforcement: Any event that strengthens the behavior it follows. A heat lamp positively reinforces a meerkat’s behavior in the cold.
Reuters/ C
orbis
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Punishment
Punishment aversive event that
decreases the behavior that it follows
powerful controller of unwanted behavior
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Shaping
Guide behavior towards the desired target behavior through successive
approximations.
A rat shaped to sniff mines. A manatee shaped to discriminateobjects of different shapes, colors and sizes.
Kham
is Ram
adhan/ Panapress/ Getty Im
ages
Fred Bavendam
/ Peter Arnold, Inc.
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Schedules of Reinforcement
Fixed Ratio (FR) 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
Variable Ratio (VR) 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
Fixed Interval (FI) reinforces a response only after
a specified time has elapsed response occurs more
frequently as the anticipated time for reward draws near
Mail delivery, waiting for cake to bake
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Schedules of Reinforcement
Variable Interval (VI) reinforces a response at
unpredictable time intervals produces slow steady responding like pop quiz, waiting for a busy
phone line to clear.
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Stimulus Generalization
Tendency to respond to stimuli similar to the CS is called generalization. Pavlov conditioned the dog’s salivation (CR) by
using miniature vibrators (CS) on the thigh. When
he subsequently stimulated other parts of the dog’s body, salivation
dropped.
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Stimulus Discrimination
Discrimination is the learned ability to distinguish between a conditioned stimulus and other stimuli
that do not signal an unconditioned stimulus.
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Stimulus Discrimination
Primary Reinforcer
sleep, food, air, water
Primary Punisherpainful stimulation which would serve as a punisher in many cases
Condition Reinforcersound from a clicker, as used in clicker as clicker training.
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