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learning
process of gaining, through experience, relatively permanent information and behaviors
classical conditioning
type of learning, stimulus gains the power to cause a response, learning by association
stimulus
anything in the environment that one can respond to
response
any action of behavior
US
unconditioned stimulus is a stimulus that triggers a response reflexively and automatically
UR
unconditioned response is an automatic response to the US, relationship between US and UR must be reflexive and automatic, not learned
CS
conditioned stimulus is a previously neutral stimulus that, through learning, gains the power to cause a response, must be a neutral stimulus before conditioning occurs
CR
conditioned response is the response to the conditioned stimulus, usually same behaviour as UR
acquisition
process of developing a new learned response, subject learns a new response (CR) to a previously neutral stimulus (CS)
extinction
gradual disappearance of a learned response after repeated presentation of the conditioned stimulus alone, continual presentation of CS without the US
generalization
producing the same response to two similar stimuli
discrimination
ability to distinguish between two signals or stimuli and produce different responses, subjects learns one stimuli predicts the US and the other does not
behaviorism
theory the psychology should only study observable behaviors not mental processes
systematic desensitization
most common form of therapy for phobias, clients are gradually taught to associate feelings of relaxation with what they fear
cognition
all mental processes associated with thinking, knowing, and remembering
ivan pavlov
discovered classical conditioning by using meat to train a dog to salivate to the sound of a tuning fork
john watson
believed you could control a learner's behavioural response by manipulating a stimulus in the environment, conducted Little Albert with Rosaline Rayner
John Garcia and Robert Koelling
showed how classical conditioning taste aversion could develop through rats
operant conditioning
type of learning in which the frequency of a behaviour depends on the consequence that follows that behaviour, frequency will increase if the consequence if reinforcing to subject, frequency will decrease if the consequence if not reinforcing to subject
law of effect
principle that forms the basic of operant conditioing, Edward Thorndike, behaviours with favourable consequences will occur more frequently, behaviours with unfavourable consequences will occur less frequently
B.F. Skinner
behavioural psychologist, developed the fundamental principles and techniques of operant conditioning, designed Skinner Box and air crib
reinforcement and punishment
reinforcement is any consequence that increases the future likelihood of a behaviour, punishment is any consequence that decreases that future likelihood of a behaviour, the learner/subject determines if a consequence is reinforcing or punishing
positive reinforcement
anything that increases the likelihood of a behaviour by following it with a desirable event or state, subject receives something they want, strengthens behaviour
negative reinforcement
anything that increases the likelihood of a behaviour of following it with the removal of undesirable event or state, something subject does not like is removed, strengthens behaviour
immediate reinforcement
more effective than delayed reinforcement in the short term
delayed reinforcement
ability to delay gratification predicts higher achievement long term
primary reinforcement
something that is naturally reinforcing (food if hungry)
secondary reinforcement
something that you have learned to value (money or words of approval)
positive punishment
undesirable event following a behaviour, something undesirable is given
negative punishment
desirable state or event ends following a behaviour, something desirable is removed
problematic effects of punishment
punishment does not end the desire to engage in a behaviour, can lead to fear, anxiety, and lower self-esteem
minimal use of punishment
punishment can effectively control certain behaviours, generally most effective when used least/sparingly, most recommended is reinforcing
shaping
reinforcement of behaviours that are increasingly similar to the desired one, used to establish a new behaviour, used in training complex/multi-step behaviours
discrimination
ability to distinguish between two similar signals or stimuli and produce different responses, learning to respond to one stimuli but not to a similar stimuli
extinction
loss of a behaviour when no consequences follows it, subject no longer responds
continuous reinforcement
schedule of reinforcement in which a reward follows every correct response, most useful way to establish a behaviour, behaviour will extinguish quickly once the reinforcement stops
partial reinforcement
schedule of reinforcement in which a reward follows only some correct responses, when our behaviour is reinforced sometimes, we get our hopes up and are reluctant to give up
fixed-interval schedule
partial schedule that rewards only the first correct response after some defined period, all responses made during the time interval are not reinforced
variable-interval schedule
partial reinforcement schedule that rewards that first correct responses after an unpredictable amount of time, all responses made during the time interval are not reinforced
fixed-ratio schedule
partial reinforcement schedule that rewards a response only after some defined number of correct responses faster the subject responds, the more reinforcement they will recieve
variable-ratio schedule
partial reinforcement schedule that rewards an unpredictable number of correct responses, very resistant to extinction, "gambler's schedule"
latent learning
learning that occurs but is not apparent until the learner has an incentive to demonstrate it
cognitive map
mental representation of a place
biological predisposition
some species are biologically predisposed to learn specific behaviours, learn some behaviours easily and others with great difficulty, operant conditioning works best when it focuses on behaviours that come naturally to a species
overjustification effect
effect of promising a reward for doing what one already likes, reward may lessen and replace person's original motivation, direct opposite of the effect Skinner's principles
observational learning
learning by observing others, cognitive process as we learn by modelling our behaviour after another person
model
person observed in observational learning
modelling
process of observing and imitating a specific behaviour, model practices or repeat behaviours which the learned observes and mimics
albert bandura
major figure in the study of observational learning, studied the consequences a model has on subject, Bobo Doll experiments
vicarious learning
learning by seeing the consequences of another person's behaviour, depends on the learners understanding consequences he or she has observed, observational learning can occur without consequences
modelling requirements
attention, retention, ability to reproduce the behaviours, motivation
mirror neurons
brain cells located in the front of the brain that either activate when a person performs certain actions or when the person observes another doing so
antisocial behavior
negative, disruptive, unhelpful behaviour
prosocial behaviour
positive, constructive, helpful behaviour
violence in media stats
average US student has witnessed about 8000 murders and over 100 00o violent acts by end of elementary school in the media, half of the cases show sanitized media and doesn't show pain of the victim
APA commission on violence and youth
higher levels of violence on TV are associated with increased acceptance of aggressive attitude and behaviour, children's exposure to TV violence has harmful, lifelong consequences, portrayals of women as victims and minorities as aggressive lead to more violence, TV programs and commercials affect our concept of reality