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Unit 7: Learning
PSU Online Psych100 exam2
21
Psychology
Undergraduate 1
07/13/2010

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Term
classical conditioning
Definition
type of learning in which organism comes to associate stimuli, a neutral stimulus that signals an unconditioned stimulus beings to produce a response that anticipates and prepares for the unconditioned stimulus
Term
unconditioned response
Definition
unlearned naturally occurring response to the unconditioned stimulus
Term
unconditioned stimulus
Definition
stimulus that unconditionally-naturally and automatically triggers a response
Term
conditioned response
Definition
learned response to the previously neutral (but not conditioned) stimulus
Term
conditioned stimulus
Definition
originally irrelevant stimulus that after association with an unconditioned stimulus comes to trigger a conditioned response
Term
extinction
Definition
diminishing of a conditioned response; when an unconditioned stimulus does not follow a conditioned stimulus
Term
spontaneous recovery
Definition
the reappearance, after a pause, of an extinguished conditioned response
Term
generalization
Definition
tendency, once a response has been conditioned, for stimuli similar to the conditioned stimulus to elicit similar responses
Term
discrimination
Definition
learned ability to distinguish between a conditioned stimulus and stimuli that do not signal an unconditioned stimulus
Term
operant conditioning
Definition
type of learning in which behavior is strengthened if followed by a reinforcer or diminished if followed by a punishment
Term
shaping
Definition
an operant conditioning procedure in which reinforcers guide behavior toward close and closer approximations of the desired behavior
Term
reinforcer
Definition
any event that strengthens the behavior it follows
Term
positive reinforcer
Definition
increasing behaviors by presenting positive stimuli, such as food; any stimulus, that when presented after a response, strengthens that response
Term
negative reinforcer
Definition
increasing behavior by stopping or reducing negative stimuli, such as shock
Term
fixed-ratio schedule
Definition
reinforcement schedule that reinforces a response only after a specified number of responses
Term
variable-ratio schedule
Definition
reinforcement schedule that reinforces a response after an unpredictable number of responses
Term
fixed-interval schedule
Definition
reinforcement schedule that reinforces a response only after a specified time has elapsed
Term
variable-interval schedule
Definition
reinforcement schedule that reinforces a response at unpredictable time intervals
Term
punishment
Definition
event that decreases the behavior that it follows
Term
observational learning
Definition
learning by observing others
Term
modeling
Definition
process of observing and imitating a specific behavior
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