Ch 7: Learning – Flashcards

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Learning
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a relatively permanent behavior change due to experience; most is associative
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Adaptability
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our capicity to learn new behaviors that help us cope with changing circumstances; allows us to learn new things
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Associative Learning
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learning that certain events occue together; events could be 2 stimuli (classical) or a response and its consequences (operant); mind naturally connects events that occur in sequence
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Conditioning
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process of learning associations
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Classical Conditioning
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Ivan Pavlov; we learn to associate 2 stimuli and thus to anticipate events; associations are made between a natural stimulus and a learned, neutral stimulus; Ex: lightning signals impending thunder, so we brace ourselves when it flashes
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Stimulus
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anything that causes some kind of reaction Ex: Meat
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Unconditioned Stimulus (UCS)
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a stimulus that natually and automatically elicits a response. Ex: meat causes salivation automatically.
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Neutral Stimulus (NS)
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a stimulus that doesn't elicit any response by itself, ex: experiment subject may associate NS with the UCS (associate experimenter with food)
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Conditioned Stimulus (CS)
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an originially irrelevent stimulus that, after associated with the UCS, comes to trigger a response; same as NS Ex: experimenter after conditioned response.
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Response
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reaction Ex: salivation
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Unconditioned Response (UCR)
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the unlearned, natually occuring response to the UCS. Ex: salivation
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Conditioned Response (CR)
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the learned response to a previously neutral stimulus; Ex: Dog learns to respond to experimenter alone
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Behaviorism
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Watson; view that psychology (1) should be an objective science that (2) studies behavior without reference to mental processes; today agrees with 1, but not 2
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John B Watson
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1st american promoter of behaviorism; human could spread fear by pairing things together; unethical; "Little Albert" experiment
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Mary C Jones
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Watson's student; used same principles to eliminate fear; paried fearful item with favored item, until association is formed; still used today
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Acquisition in CC
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initial stage of learning; phase where an association between neutral stimulus and unconditioned stimulus occurs; NS needs to come before UCS;
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Stimuli Congruity
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occcuring of stimuli together in time and space
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Simultaneous Conditioning in CC
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CS and UCS begin and end together
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Short-Delayed Conditioning in CC
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CS begins just before the UCS, end together
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Trace Conditioning
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CS begins and ends before UCS is presented
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Extinction in CC
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the diminishing of a conditioned response; CR (salivation) will eventually become extinct when UCS (food) doesn't follow CS (experimenter)
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Spontaneous Recovery in CC
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after rest period, extinguished CR (salivation) spontaneously recovers, but if CS (experimenter or bell) persists alone, CR becomes extinct again
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Generalization in CC
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the tendency, once a response has been conditioned, for stimuli similar to the CS to elicit similar responses; conditioned the dog's salivation (CR) by using miniature devices that made vibrations (CS) on the thigh. When he subsequently stimulated other parts of the dog's body, salivation dropped.
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Discrimination/Distinction in CC
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opposite generalization; the learned ability to distinguish between a conditioned stimulus and other stimuli that do not signal an unconditioned stimulus.; the response is to a specific stimulus... similar stimuli don't work.
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Higher-Order Conditioning
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occurs when a CS functions as if it were a UCS to established new conditioning; (condition to respond to a tone with saliva, pair the tone with a light).
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Respondent Behavior
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behavior that occurs as an automatic response to some stimulus; involved in classical conditioning Ex: salivating in response to meat and later in response to a tone
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Biological Predispositions in CC
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each species has its own predispositions that prepare it to learn associations that enhance its survival; conditioned taste aversions can be readily acquired, after only 1 trial and when stimuli aren't contiguous
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Signal Relations Theory
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the predictive value of a CS is an influential factor governing classical conditioning.
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Operant Conditioning
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type of associative learning where behavior is strengthened if followed by reward, and weakened if followed by punishment
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Operant Behavior
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behavior that operates on environment to produce positive or negative consequences; ex: toilet training
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Law of Effect
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Thorndike; behaviors followed by reward will re-occur, and behaviors followed by punishment won't occur again; if a response in the presence of a stimulus leads to satisfying effects, the association between the stimulus and response is strengthened
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B F Skinner
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psychologist most closely associated with operant conditioning; Thorndike's "law of effect" became the cornerstone of Skinner's theory; Skinner's experiments extend Thorndike's thinking
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Operant Chamber
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Skinner; operational conditioning research; chamber with bar or key that animal manipulates to obtain food/water reinforcer; devides in it also record how much bar/key is pressed/pecked
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Discriminative Stimulus
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signals that a response will be reinforced
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Emission of Response
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Because operant responses tend to be voluntary, they are said to be emitted rather than elicited.
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Reinforcement Contingencies
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The circumstances, or rules, that determine whether responses lead to the presentation of reinforcers.
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Reinforcer
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in OC, any event that strengthens the behavior it follows. ex: food or money
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Reinforcement
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organisms tend to repeat responses followed by positive rewards; increases tendency to make response
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Positive Reinforcement
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presenting a pleasant stimulus to increase the frequency of a desired behavior.
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Positive Reinforcer
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any stimulus that, when presented after a response, strengthens the response
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Negative Reinforcement
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removing an unpleasant stimulus to increase the frequency of a desired behavior
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Negative Reinforcer
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any stimuli that, when removed after a response, strengthens the response; NOT punishment
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Primary Reinforcers
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stimuli that are inheritently/innately reinforcing because they satifsy biological needs ex: food, sex, water
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Secondary/Conditioned Reinforcers
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stimuli that acquire reinforcing qualities by being associated with primary reinforcers (learned, or conditioned reinforcment) ex: money, good grades, attention
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Immediate Reinforcers
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a reinforcer that occurs instantly after a behavior; more appealing
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Delayed Reinforcers
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a reinforcer delayed in time for certain behavior; ex: paycheck
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Continuous Reinforcement
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reinforcing the desired response every time it occurs; results in faster acquisition, but also faster extinction
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Partial (Intermittent) Reinforcement
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reinforcing a response only part of the time; slower aqcuisition but greater resistance to extinction ex: slot machines
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Ratio Schedules
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requires organism to make designated response a certain number of times to gain reinforcer
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Fixed-Ratio Schedule
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reinforces a response only after a specificed (fixed) number of non-reinforced responses; ex: punch cards at movies
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Variable-Ratio Schedule
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reinforces a response after an unpredicatable number of non-reinforced responses; hard to extinguish because of unpredictability ex: gambling
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Interval Schedules
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require a time period to pass between presentation of reinforcers; ex: pigeons peck key more frequently as anticipated time for reward nears
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Fixed Interval Schedule
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reinforces a response only after a specific time interval has elapsed ex: paycheck
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Variable Interval Schedule
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reinforces a response after unpredictable time interval has elapsed ex: pop quiz, fishing
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Punishment
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process of weakening a response by following it with unpleasant consequences
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Punisher
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any consequence that decreases the frequency of a preceding behavior
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Positive Punishment
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adding an unpleasant stimulus to decrease the frequency of an undesired behavior
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Negative Punishment
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removing a pleasant stimulus to decreased the frequenc of an undesired behavior
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Acquisition in OC
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As in classical conditioning, acquisition refers to the initial stage of learning.
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Extinction in OC
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the gradual weakening and disappearance of a response tendency because the response is no longer followed by a reinforcer ex: if you stop giving a rat food when it presses a lever, the rat will show a brief surge of responding (pressing the lever) followed by a gradual decline until it approaches zero.
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Stimulus Generalization in OC
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a behavior that spreads from one situation to a similar one. (A new stimulus is responded to as if it were the original); Occurs when an organism responds to one stimulus, but not another one similar to it ex: A small boy pats two different dogs and both dogs wag their tails. Generalization= The boy assumes all dogs are friendly
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Shaping in OC
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reinforcers guide behavior closer and closer towards a goal; Successive approximations ex: learning how to swim in the deep end
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Chaining in OC
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learning simple skills, that when combined together enable the subject to perform more complex tasks; used when there are multiple steps to a certain sequence that we want completed in a specific order; We begin by reinforcing each part of the sequence individually, then we move to linking the parts together and reinforcing the connections between the parts.
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Cognitive Processes
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focuses on mental processes involved in learning
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Latent Learning
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Tolman and Honzik; learning that has taken place but doesn't show up until later when there is an incentive to demonstrate it; occurs without reinforcement but you don't see it until there is a reinforcement ex: by learning the map of the maze, the rats use it when necessary, like to get food
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Cognitive Map
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a mental representation of the layout of one's environment ex: after exploring maze, rats act as if they've learned cognitive map of it
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Learned Helplessness
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Martin Selegman; when a person starts to believe that their actions have no effect on their env; people tend to be less motivated and low self-esteem
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Intrinsic Motivation
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desire to perform a behavior for its own sake; excessive rewards can undermine this
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Extrinsic Motivation
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desire to perform a behavior due to promised rewards or threats of punishment
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Biological Predispositions in OC
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Breland & Breland; biological constraints predispose organisms to learn associations that are naturally adaptive
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Instinctual Drift
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when an organism reverts to a biologically predisposed pattern; Breland and Breland
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Social Learning
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Bandura; learning from the behavior of others; refers to all learning in a social situation; Bobo doll experiment
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Observational Learning
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organism observes and imitates the behavior of others; behavior you don't know; watch someone else do it, repeat it and learn it; one of the processes used for social learning in which we observe our surroundings for cues on how to behave. ex: sports skills
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Vicarious Conditioning in OL
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occurs by an organism wathcing another organism ( a model) be conditioned; observational leanring can occur for CC and OC
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Attention in OL
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First the organism must pay attention to the model
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Retention in OL
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It must retain the information observed
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Reproduction in OL
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Be able to reproduce the behavior
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Motivation in OL
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Finally, an observed response is unlikely to be reproduced unless the organism is motivated to do so, i.e., they believe there will be a pay off.
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Modeling
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process of observing and imitating a specific behavior
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Mirror Neurons
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frontal lobe neurons that fire when performing certain actions or when observing others doing them; the brain's mirroring of another's action may enable imitation and empathy
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Prosocial Behavior
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positive, constructive, helpful behavior; opposite of anti-social; prosocial models have prosocial effects
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Behavior Modification
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Using classical conditioning, operant conditioning, or social learning to change a person's actions or feelings
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Token Economy
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giving tokens for desired behavior that can be exchanged for stuff ex: bonus bucks
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Self Control/ Self Modification
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Setting up a personal system of rewards and punishments to shape their own thoughts and actions. ex: quitting smoking
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Feedback
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Finding out the results of an action or performance ex: getting tests back, advice from coaches
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Transfer
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When previous learning affects new learning
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Positive Transfer
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old learning helps new learning ex: instruments, video games
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Negative Transfer
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old learning hinders new learning ex: keyboarding, driving in England
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Practice
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repitition of a task; Better to practice over a period of time than do it all at once; mass rehearsal vs. cramming;
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