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Week Three
Week Three Flash Cards
23
Psychology
Undergraduate 1
06/02/2010

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Term
Operant Conditioning
Definition
type of learning in which behavior is strengthened if followed by reinforcement or diminished if followed by punishment
Term
Shaping
Definition
a gradual process that begins with reinforcement of some behavior that gets closer to the final behavior desired
Term
Fixed Ratio Schedules
Definition
reinforce behavior after a set number of responses; increase rate of response
Term
Variable Ratio Schedules
Definition
provide reinforcers after an unpredictable number of responses ; unpredictable reinforcement
Term
Fixed Interval Schedules
Definition
reinforce the 1st response after a fixed time period
Term
Variable Interval Schedules
Definition
reinforce the first responcse after varying time intervals
Term
Acquisition
Definition
the intial stage conditioning; the phase asssociating a neutral stimuls with unconditioned stimulus so that the neutral stimuls comes to elicit a conditioned response
Term
Extinction
Definition
diminishing of a condtioned response
Term
Spontaneous Recovery
Definition
the reappearance, after a rest period, of an extinguished conditioned response
Term
Stimuli Generalization
Definition
the tendency, once a response has been conditioned, for stimuli similar to the conditioned stimulus to elicit similar responses
Term
Discrimination
Definition
the learned ability to distinguish between a conditioned stimulus and other stimuli that does not signal an unconditioned stimulus
Term
Recall
Definition
the ability to retrieve information not in conscious awareness
Term
Flashbulb memory
Definition
vivid memories of emotionally charged events
Term
Iconic memory
Definition
brief photographic memory
Term
Echoic memory
Definition
memory of an auditory stimulus
Term
Alzheimer's Disease
Definition
degenerative condition that destroys brain cells & impairs attention and memory
Term
Phoneme
Definition
smallest distinct units of sounds
Term
Morpheme
Definition
the smallest unit that carries meaning
Term
Linguistic Relativity Hypothesis
Definition
the perception of reality differs according to the language of the observer
Term
Algorithms
Definition
a step by step procedure that guarentees a solution. It is a mechanical procedure for problem solving
Term
Heuristics
Definition
menta " rules of thumb " which allow us to make judgement and solve problems efficiently
Term
Reliability
Definition
refers to the consistency of people's scores on a test
Term
Validity
Definition
refers to how well a test measures what it is supposed to measure
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