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Behavior Modification
Unit 5- Reinforcement
28
Psychology
Undergraduate 3
03/01/2010

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Term
operant behavior
Definition
a behavior that is strengthened through the process of reinforcement
Term
respondant behavior
Definition
a behavior that is elicited by a prior response (like an unconditioned response)
Term
conditioning
Definition
using reinforcement to increase a behavior
Term
positive reinforcement
Definition
the occurance of a behavior is followed by the addition of a stimulus (reinforcer) which results in the strengthening of the behavior
Term
negative reinforcement
Definition
occurrence of a behavior followed by the removal of a stimulus (an aversive stimulus) which results in the strengthening of a behavior
Term
contrived positive reinforcement
Definition
consequences arranged by individuals for the specific purpose of strengthening behavior (ex: giving points for completing chores)
Term
naturally occurring positive reinforcement
Definition
consequences that have not been specifically arranged for strengthening behavior (doors open after you open them)
Term
socially mediated positive reinforcement
Definition
consequences are delivered through the actions of other people (ex: praise)
Term
automatic positive reinforcement
Definition
consequences that don't require the mediation of other individuals (light turns on after flicking switch)
Term
premack principle
Definition
opportunity to engage in a high-probability behavior as a consequence for engaging in a low-probability behavior
Term
reinforcer effectiveness: quality
Definition
best to use some form of reinforcer assessment
Term
reinforcer effectiveness: delay
Definition
longer delay = less effective (latency)
Term
reinforcer effectiveness: establishing operations (eo's)
Definition
events that alter the reinforcing efficacy of a stimulus
Term
eo's: deprivation
Definition
length of time without access to a particular event; increases effectiveness of a reinforcer (ex:starving makes food very powerful reinforcer)
Term
eo's: satiation
Definition
how recently an organism has received or been exposed to a particular event decreases effectiveness of a particular reinforcer
Term
eo's: schedule of reinforcement
Definition
determine the frequency or distribution of a reinforcer in time
Term
primary reinforcers
Definition
stimuli that function as reinforcers without any specific learning history (food, water, sex, warmth)
Term
conditioned reinforcers
Definition
stimuli that function as reinforcers only because they're paired with primary reinforcers (praise, money, points/tokens)
Term
generalized conditioned reinforcer
Definition
a conditioned reinforcer that is paired with a wide variety of backup reinforcers (money)
Term
continuous reinforcement
Definition
each response is reinforced
Term
intermittent reinforcement
Definition
only some responses are reinforced
Term
fixed ratio schedules
Definition
the last of a specific number of responses is reinforced (ex: child completes 50 math problems, FR 50) (creates break and run pattern on graph)
Term
variable ratio schedules
Definition
the last of a specified number of responses is reinforced but the number of responses revolve around an average value. Number of responses varies from one reinforcer to the next. (high steady rates of responding on graph)
Term
ratio strain
Definition
ratio is too high to maintain responding
Term
fixed interval schedules
Definition
the first response after a fixed amount of time is reinforced; response dependent. (scalloped pattern of responding, as time approaches, responding increases)
Term
variable interval schedules
Definition
the first response after an average amount of time has elapsed results in reinforced delivery (checking mail when you know it comes around 2 pm, checking cookies after 20 min in oven) low steady rates of responding
Term
response independent schedules
Definition
FT/VT:occur at SET points in time, independent of behavior. VT same as FT but delivered after an avg amount of time
Term
benefits of response independent schedules
Definition
used to decrease establishing operations for undesirable behavior, superstitious responding. less chance of satiation, more resistant to extinction, more closely simulate natural environment
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