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LEARNING Behaviorism chapter 7 A change in behavior due to experience.
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CLASSICAL CONDITIONING Ivan Pavlov: Russian Scientist Early 1900’s
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Unconditioned Stimulus UCS A stimulus that leads to a certain response without any previous training. ex. Food
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Unconditioned Response UCR A response that occurs naturally and automatically when the UCS is presented. Ex. Salivation to food (natural).
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Neutral Stimulus NS A stimulus that has no effect on the organism. Ex. Bell
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Conditioned Stimulus CS A neutral stimulus paired with the UCS. Ex. Bell ----Food
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Conditioned Response CR A learned response.
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The Office
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John B. Watson Little Albert
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Generalization A response spread from one specific stimulus to other stimuli that resemble the original. Ex. White rat –White fur – White beard etc..
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Discrimination The ability to respond differently to distinct stimuli. Ex. White fur vs. Black fur
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Extinction The gradual disappearance of a conditioned response because the CS (bell) is repeatedly presented without the UCS (Food).
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Aversion Conditioning Phobias and Treatment Aversion Conditioning: (Garcia) Learning to hate what you love. Example “Clockwork Orange” Systematic Desensitization: Slowly deconditioning phobias (baby steps) Flooding/Exposure: Sudden overwhelming exposure to fear (roller coaster)
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OPERANT CONDITIONING Subject operates on the environment and produces a result that will influence whether he or she will operate in the same way in the future. Shaping
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B.F. Skinner 1904 – 1990 Walden Two Shaping Skinner Box Behavior Modification Schedules of Reinforcement
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Behavior Modification B.F. Skinner
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TERMS TO KNOW + POSITIVE: TO PRESENT (ADD) - NEGATIVE: TO REMOVE (SUBTRACT) REINFORCEMENT = INCREASE BEHAVIOR PUNISHMENT = DECREASE BEHAVIOR
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POSITIVE REINFORCEMENT GIVE A STIMULIS THAT INCREASES A BEHAVIOR. EXAMPLES: Verbal Praise, Gold Star, High Grade, Attention, Warm Fuzzy
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NEGATIVE REINFORCEMENT TAKE AWAY AN AVERSIVE STIMULUS CAUSING AN INCREASE IN THE RESPONSE. EXAMPLES: Escape or Avoidance conditioning, Increased freedom or removal of restrictions after grades or appropriate behavior increases.
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POSITIVE PUNISHMENT Give something bad to DECREASE a behavior. EXAMPLES: A scolding, spanking, shock, lecture from P’s, A “Switch”
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NEGATIVE PUNISHMENT The removal of a good stimulus, causing a decrease in the response. Examples: Grounded, Not being allowed to watch T.V. or play Games, not having dessert, being suspended from school (supposedly).
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CHART + RGIVE GOOD - RTAKE BAD + PGIVE BAD - PTAKE GOOD
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Behavior Modification B.F. Skinner
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TERMS TO KNOW + POSITIVE: TO PRESENT (ADD) - NEGATIVE: TO REMOVE (SUBTRACT) REINFORCEMENT = INCREASE BEHAVIOR PUNISHMENT = DECREASE BEHAVIOR
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POSITIVE REINFORCEMENT GIVE A STIMULIS THAT INCREASES A BEHAVIOR. EXAMPLES: Verbal Praise, Gold Star, High Grade, Attention, Warm Fuzzy
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NEGATIVE REINFORCEMENT TAKE AWAY AN AVERSIVE STIMULUS CAUSING AN INCREASE IN THE RESPONSE. EXAMPLES: Escape or Avoidance conditioning, Increased freedom or removal of restrictions after grades or appropriate behavior increases.
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POSITIVE PUNISHMENT Give something bad to DECREASE a behavior. EXAMPLES: A scolding, spanking, shock, lecture from P’s, A “Switch”
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NEGATIVE PUNISHMENT The removal of a good stimulus, causing a decrease in the response. Examples: Grounded, Not being allowed to watch T.V. or play Games, not having dessert, being suspended from school (supposedly).
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CHART + RGIVE GOOD - RTAKE BAD + PGIVE BAD - PTAKE GOOD
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Schedules of Reinforcement Ratio = Behavior Interval = Time
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Schedules Experiment O = attempt X = reward X OOX OOX OOX OOX OOX OOX X OOX OX OOOOOX OOX OOOOX 10 seconds X, 10 Seconds X, 10 seconds X 5 seconds X, 15 seconds X, 10 seconds X, 15 seconds X, 5 seconds X, 10 seconds X (5 20 30 45 50 60)
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Fixed Ratio Reinforcement depends on a certain amount of behavior being emitted. OOOXOOOXOOOXOOOXOOOX Examples: Subway card, piece work, Commission.
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Variable Ratio The number of required responses varies around some average rather than being fixed. OXOOOOXXOOOOOOOOOXOOOX Examples: Slot Machine, Sports (Baseball), Most Sales Jobs.
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FIXED INTERVAL Reinforcement is available at a predetermined time. 10 seconds X, 10 seconds X, 10 seconds X, Examples: School Bells, hourly pay, yearly salary, holidays.
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VARIABLE INTERVAL The time at which a reinforcer will be available varies around some average rather than being fixed. 3 seconds X, 12 seconds X, 7 seconds X, 25 seconds X. Examples: Weather, earthquakes, phone calls.
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Graph of Schedules
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STORY
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Concepts of Learning Primary Reinforcer = natural reinforcer. Conditioned Reinforcer=Signal for a reinforcer or punisher.
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Feedback Necessary for learning. Finding out the results of an action or performance.
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Transfer Positive Transfer A previous learned response helps you to learn a new task. Negative Transfer A previously learned task hinders learning.
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Practice The repetition of a task helps to bind responses together. zyxwvutsrqponmlkjihgfedcba
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Learned Helplessness Seligman Numerous experiences in which actions have no effect on your world. Learned Depression Learned Laziness
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Chaining Responses that follow one another in a sequence are put together. Swimming, Bowling
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Social Learning All learning in a social situation. Albert Bandura “a more complex explanation for behavior is needed.”
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Observational Learning Imitation – Parent to child. (Speech patterns, personal habits) How you react to others.
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Modeling Behavior of others increases the chance that we will do the same thing. (Social situations)
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Disinhibition Threatening activity.
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