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Psych 150 Chapter 10 Skinner
midterm 2
31
Psychology
Not Applicable
10/03/2007

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Term
operant conditioning
Definition
learning in which the frequency of responding is influenced by the consequences that are contingent on a response
Term
rate of responding
Definition
the number of responses emitted in a period of time; a change in this rate is taken as evidence of learning
Term
skinner box
Definition
a device that provides a controlled environment for measuring learning
Term
operant responses
Definition
behaviors freely emitted by an organism
Term
response
Definition
a discrete behavior by an organism
Term
positive reinforcer
Definition
an outcome stimulus that is presented contingent on a response and that has the effect of increasing the rate of responding
Term
base rate
Definition
the rate of responding before conditioning
Term
primary reinforcer
Definition
a reinforcer that is not learned (i.e., innate)
Term
secondary reinforcer
Definition
a reinforcer that is learned
Term
negative reinforcer
Definition
an outcome stimulus that ends when a response occurs; it has the effect of increasing the rate of responding
Term
punishment
Definition
a stimulus contingent on a response and that has the effect of decreasing the rate of responding
Term
extinction
Definition
reduction in the rate of responding when reinforcement ends
Term
shaping
Definition
reinforcement of successive approximations of a response to increase the frequency of a response that originally has a zero base rate
Term
chaining
Definition
operant technique for developing sequences of responses by teaching the last one, then adding the next to last, and so on, with each response producing the stimuli that control the next response
Term
discrimination learning
Definition
learning to respond differentially, depending on environmental stimuli
Term
generalization
Definition
responding to stimuli that were not present during learning as though they were the discriminative stimuli present during learning
Term
schedule of reinforcement
Definition
the specific contingency between a response and a reinforcement
Term
continuous reinforcement (CR) schedule
Definition
a reinforcement schedule in which every response is reinforced
Term
partial reinforcement schedule
Definition
a reinforcement schedule in which only some responses are reinforced
Term
fixed ratio (FR) schedule
Definition
a reinforcement schedule in which a reinforcement follows every Nth response (e.g., in FR-15, every 15th response is reinforced)
Term
variable ratio (VR) schedule
Definition
a reinforcement schedule in which a reinforcement follows, on the average, every Nth response, (e.g., in VI-15, one reinforcement is given for every 15 responses, but sometimes fewer than 15 responses occur between reinforcements and sometimes more)
Term
fixed interval (FI) schedule
Definition
a reinforcement schedule in which a reinforcement follows every N units of time (e.g., in FI-15, one reinforcement is given every 15 seconds if a response has occurred at least once)
Term
variable interval (VI) schedule
Definition
a reinforcement schedule in which a reinforcement follows, on the agerage, every N units of time, (e.g., in VI-15, one reinforcement is given every 15 seconds on the average if a response has occurred at least once, but sometimes the time span is under 15 seconds between reinforcements and sometimes more)
Term
behavior modification
Definition
the application of learning principles to therapy
Term
functional analysis
Definition
prepartory to behavior modification, careful observation to identify the stimuli and reinforcements influencing behavior
Term
token economy
Definition
setting in which reinforcement of behavior is systematically applied in a group setting through the use of tokens, which can later be exchanged for rewards or privileges
Term
walden two
Definition
the novel about Skinner's imagined utopian community based on learning principles
Term
psychological behaviorism
Definition
behavioral theory, proposed by Staats, that includes traditional personality concerns (e.g., emotion, testing) as well as behavior
Term
time-out procedure
Definition
a procedure or environment in which no reinforcements are given in an effort to extinguish unwanted behavior
Term
basic behavioral repertoires (BBRs)
Definition
learned behaviors fundamental to later learning of more complex behavior, in three categories: language-cognitive, emotional-motivational, and sensory-motor
Term
act frequency approach
Definition
measuring personality traits by assessing the frequency of prototypical behaviors
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