Psyc 2000 Exam 2 Condensed – Flashcards
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classical conditioning
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- learning to make an involuntary response to a stimulus other than the original, natural stimulus that normally produced it - all about reflex response (little albert example) - for this to be effective, the conditioned stimulus must be distinctive - ex.: Lisa eats Canes right before getting the flu and a year later she is still nauseated at the sight of Canes
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operant conditioning
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- learning to make voluntary responses through the effects of positive or negative consequences - to skinner, this was voluntary behavior
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conditioned stimulus
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- previously neutral stimulus that begins to cause the same kind of involuntary response when paired repeatedly with the unconditioned stimulus - dog gets excited at the sound of his food bowl moving (same bowl used every time)
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unconditioned stimulus
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- original, naturally occurring stimulus that ordinarily leads to an involuntary response
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conditioned response
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- response that is given to the conditioned stimulus - emotional response that arises from: 1. parent holding a belt 2. eerie music from a movie you thought was scary 3. a Christmas tree all lit up
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unconditioned response
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- involuntary response to the unconditioned stimulus
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negative reinforcement
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- removal, escape or avoidance of unpleasant stimulus - taking away something negative - ex.: leaving your apartment when your roommate and her boyfriend are fighting - ex.: layla playing a loud annoying noise to get her dog to stop biting the curtains
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positive reinforcement
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- addition or experiencing of a pleasurable stimulus - ex.: louise makes dean's list so her parents buy her a new TV
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punishment
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- any event or stimuli that when following a behavior makes the behavior less likely to happen again
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punishment by application
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- ex.: John swears at his mother & as a result she washes his mouth out with soap
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punishment by removal
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- taking away something good - ex.: 4th grade class plays a prank on teacher & as a result she makes them stay inside for recess
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partial reinforcement effects
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- leads to a response that is resistant to extinction - schedule can be specified by the pattern/ratio of responses or by time/interval - both ratio and interval schedules can be either fixed or variable - more resistant to extinction that continuous reinforcement
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fixed interval
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- interval of time that must pass before reinforcement becomes possible is always the same
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variable interval
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- dependent on time & the times on which they are reinforced are varied - interval of time that must pass before reinforcement becomes possible is different for each event - ex.: Joe waiting various time amounts to get paid - ex.: clicker questions are random
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fixed ratio
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- number of responses required for reinforcement is always the same - ex.: for every 25 boxes tammy sells, her scout group gets $1 - ex.: loyalty card, for every 10 coffees you buy the 11th is free
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variable ratio
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- number of responses required for reinforcement is different for each trial or event - not dependent on time but of the number of behaviors - ex.: slot machines, the number of spins is random
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pavlov
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- coined term classical conditioning
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skinner
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- all about learning voluntary responses (operant conditioning) - box: used in operant conditioning of animals, which limits the available responses and thus increases the likelihood that the desired response will occur - most behaviorists made the false assumption that all responses are equally able to be conditioned to any stimulus
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tolman
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- rats in maze; latent learning
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bandura
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- observational learning - later added aggression to his studies with children and bobo dolls - says to learn anything through observation, the learner must first pay attention
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learning
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- relatively permanent, involves changes in behavior and experience - brought about by changes in experience or practice - ex.: ama slows down after seeing a police officer on the side of the road
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observational learning
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- learning of new behavior through observing a model - typically associated with bandura & bobo doll
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explicit memory
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- easy to verbal describe - declarative memories - begins to form about after age two when the hippocampus is more fully developed
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implicit memory
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- hard to verbally describe - procedural memories
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proactive interference
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- old info interfering with new into - ex.: Brian grows up in US and moves to England and has a difficult time remembering to drive on the left side of the road - ex.: marcia and david date for a long time then they break up and marcia goes on a date with a guy named oliver and accidentally calls him david
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serial position curve
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- people remember things early in the list (primacy effect) and late in the list (recency effect) - effects ex.: go to party and remember the first couple of people you met & the last person you met, but not the people in the middle of the party
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sensory memory
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- holds info in a relatively raw unprocessed form for a short time after the physical stimulus is no longer available but before this info is interpreted further up in the cognitive system - all info lost within a second or so - two types: iconic and echoic
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iconic store
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- for vision
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echoic store
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- for hearing - memory is very limited in capacity & less limited in duration
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short term memory
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- information we conscious of and can rehearse - all thinking is basically a process that occurs here - capacity -> 7 (+/- 2) - units: chunks - unrehearsed info lost in 15-30 seconds - tends to be encoded primarily in auditory form
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long term memory
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- info is retained indefinitely although some may be difficult to retrieve - declarative -> episodic - ex.: lisa spends night cramming for exam in the morning and all her information is stored here
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episodic memory
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- declarative - memory for particular events or episodes, specific time and place index - personally experienced events
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repisodic memory
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- failure of episodic memory - same as episodic memory except it never really happened
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maintenance rehearsal
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- type I - repeats the analysis of the info on the same superficial level it was carried out originally - doesn't help you remember things that much - ex.: repeat phone number until you get to your phone but once you type it you won't remember it
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elaboration rehearsal
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- type II - repeats info at a deeper level - a way of transferring info from the STM into the LTM by making the info meaningful in some way
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misinformation effect
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- the tendency of misleading info presented after an event to alter the memories of the event itself
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context effects
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- to remember info it helps if you are surrounded by the same settings as you were when you learned it - ex.: diver learns first set of words underwater and repeats them underwater; learns second set of words underwater and repeats them on land; results that he had a higher percentage of correct words underwater
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encoding specificity
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- in order to remember info it helps to be surrounded by the same cues as when you learned the info
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encoding failure
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- never put the info in your memory to begin with because not paying attention - ex.: maggie pulls all nighter; goes to park bike next day at class; later that afternoon can't remember where she parked it
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semantic memory
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- organized knowledge of the world that is unassociated with any particular event or experience (facts) - type of explicit memory
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chunking
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- units of STM - strategic organization of info into meaningful units
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confirmation bias
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- a tendency to search for evidence that fits your beliefs and ignore all others - ex.: randall believes aliens landed in western US in 1950s and only goes to sites and talks with friends who support this belief
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validity
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- how well a test measures what its supposed to measure
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reliability
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- is the test able to produce the same result when given to the same person in the same/almost the same situation - a test can still be this even if it's NOT valid (car clock 5 minutes fast example) - ex.: marjorie took personality test in april, june and december and received similar scores
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morpheme
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- smallest unit of measuring within a language - in some languages, changing this of a spoken word can change its entire meaning
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IQ
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- normal mean of population of this is 100 - test is culture specific; in US are normed on predominately caucasian sample
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availability
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- represents judgments of frequent or probability based on the availability of examples in memory (ease of recall) - more english words with third letter k than first letter k - ex.: kid thinks smoking isn't unhealthy because his grandfather smoked three packs a day and lived to be 100
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activeness
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- likelihood that A belongs to or was created by B judged by the degree that A resembles B - Gambler's fallacy
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Gambler's fallacy
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- belief that a random event is more likely if it hasn't happened recently
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functional fixedness
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- refers to the fact that we have problems using objects in new ways - dunker's candle problem - ex.: jim doesn't have wine opener and doesn't realize he could use a screw and pliers
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set effects
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- habitual ways of structuring a problem which can prevent finding the best solution
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simple problems
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- well defined - don't require special knowledge - can be completed in a relatively short time (puzzles)
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problem space
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- every possible state of a problem
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heuristics
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- rule of thumb
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normative models
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- beginning in philosophy & mathematics - later formalized in economics - De Mere, Pascal, De Fermat
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descriptive models
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- psychological and tend to represent how you actually make decisions - preferences are constructed and relative - framing effects presentation of options can influence choice - loss aversion (losses loom larger)
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loss aversion
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- explains why we view loosing $5 as having a greater magnitude than gaining $5
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fMRI
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- showed the overlap between brain areas activated during visual mental imagery tasks and actual tasks involving visual perception
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kohler
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- determined that insight cannot be gained through trial and error learning alone
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cocktail party effect
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- ex.: in a room filled with people, where several conversations are going on, you are able to hear your name being spoken
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cognition
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- the mental events that take place inside a person's mind while behaving - recent studies support rosch-heider's theory of this rather than the sapir-whorf hypothesis
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communicate
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- researchers have found that animals do this with one another
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concepts
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- can help us interpret or deal with new information that we have never encountered
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conditioned taste aversion
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- ex.: coyotes ate sheep laced with lithium chloride, got extremely sick that one time, then stopped eating sheep meat
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BDNF
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- continued everyday learning stimulates this - it is a key protein involved in the formation of memories
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cultural bias
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- what the dove counterbalance general intelligence test was designed to highlight
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declarative memory
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- memory for facts - called this because facts are things that are known and can be stated outright
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goleman
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- said emotional intelligence is a more powerful influence on success in life than more traditional views of intelligence
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extinction
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- can be misleading because learning is relatively permanent, meaning things are not "unlearned" - a response that is reinforced after some but not all correct response tends to be very resistant to this
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familial retardation
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- developmental delay related to living in poverty - one that usually produces relatively mild intellectual disabilities
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problem representations
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- in the first study done on chess players, it was found that experts have better this
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flashbulb memories
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- ex.: people's memories of 9/11
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george miller
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- concluded that the capacity of the STM is five to nine bits of information
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gestalt legacy
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- emphasized by the role of insight
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grammer, phonemes, morphemes
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- list the elects of spoken language from least complex to most complex
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hindsight bias
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- ex.: marcos and friends are watching football on sundays; after some of the games, marco tells his friends he knew who would win - this is his belief that he could predict the outcome of some of the games without having been told the winners in advance
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storage stage of memory
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- holding information just long enough to work with it is a feature of this
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imitation
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- ex.: a five year old watches his father dunk a basketball and since the child is unable to dunk the basketball (can't reach) the child cannot learn this behavior by observing because he cannot accomplish what step
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attention, memory, imitation, desire
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- list the four elects of observational learning
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broadbent's filter theory
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- theory that only a stimulus that is important enough will be passed on to be analyzed for meaning in STM
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information processing model
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- the model of memory - includes sensory memory, STM and LTM
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japanese children
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- divergent thinking is especially difficult to teach to whom
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reinforcement
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- once tolman's rats were given what on the tenth day were they able to learn to find the exit almost immediately
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levels of processing
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- ex.: dr.mccrae encourages her students to fully understand the concepts instead of memorizing them so they will be able to remember them much longer
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hypnosis
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- makes it easier to recall some memories - also makes it easier to create false memories
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martin seligman
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- believed that cognition was important part of behavior
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mean
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- standard deviation is the average variation of scores from this
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mechanical solution
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- another term for trial and error
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memory trace
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- decay is the fading of this
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mental set
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- ex.: when solving a problem, if a person is hesitant or unable to think beyond solutions that have worked in the past, they are stuck in this
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gardner
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- theorized there are nine types of intelligence
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normative theory
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- theory is what modern economics is based on - represents rational decision
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descriptive theory
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- theory states that preferences are constructed and relative
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parallel distributed processing model
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- reflects the idea that memory formation is a simultaneous process - derived from the work in the developmental of artificial intelligence - can be used to explain how rapidly the points on the semantic network can be accessed
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procedural memory
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- ex.: once you learn how to tie your shoes, the action becomes a part of this
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prototype
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- ex.: derrick lives in the rugged mountains so when someone says vehicle, the first thing that comes to mind is a jeep; for derrick, a jeep is what for vehicle
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recognition
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- a multiple choice test requires the use of this type of retrieval process - will be used to answer questions in this test - task ex.: a word-search puzzle
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reflex
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- an unlearned, involuntary response that is not under personal control or choice - one of many that occur in both humans and animals
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representativeness heuristic
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- judgements based on representation of event in memory
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automatic encoding
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- a way that information enters the LTM that requires little or no effort to retrieve
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schizophrenia
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- a recent study showed that people in this group benefitted from computerized cognitive exercises that placed increasing demands on auditory perception
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shaping
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- ex.: the central idea of toilet training a cat is breaking down the process into a series of small stages
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depression
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- symptoms of this can predict higher false recall and recognition response
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vicarious conditioning
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- the classical conditioning of a reflex response or emotional by watching the reaction of another person
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visual cortex
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- activated by the process of forming an image - areas of this shown by PET scans
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working memory
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- ex.: you are taking the wechsler adult intelligence scale and come to a question that requires you to recall mixed list of numbers in correct ascending order; you are being tested for what?