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Antecendent
An environmental condition or stimulus change existing or occurring prior to a behavior of interest
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Automaticity (of Reinforcement)
Refers to the fact that behavior is modified by its consequences irrespective of the person's awareness
A person does not have to recognize or verbalize the relation between her behavior and a reinforcing consequence or even know that a consequence has occurred for reinforcement to work
Different from automatic reinforcement
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Aversive Stimulus
An unpleasant or noxious stimulus
A stimulus change or condition that function to evoke a behvior that has terminatied it in the past or as a punisher when presented following behavior and/or as a reinforcer when withdrawn following behavior
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Behavior
The activity of living organisms
"That portion of an organism's interaction with its enviroment that is characterized by detectable displacement in space through time of some part of the organism and that results in a measurable change in at least one aspect of the environment"
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Behavior Change Tactic
A technologically consistent method for changing behavior derived from one or more principles of behavior, possesses sufficient generality across subjects, settings, and/or behaviors to warrant its codification and dissemination
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Conditioned Punisher
A previously neutral stimulus change that functions as a punisher becuase of prior pairing with one or more other punishers; sometimes called secondary or learned punisher
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Conditioned Reflex
A learned stimulus-responce functional relation consisting of an antecendent stimulus and the response it elicits
Each person's repertoire of conditioned reflexes is the product of his or her history of interactions with the environment
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Conditioned Reinforcer
A stimulus change that functions as a reinforcer because of prior pairing with one or more other reinforcers; sometimes called secondary or learned reinforcer
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Conditioned Stimulus
The stimulus component of a conditioned reflex
A formerly neutral stimulus change that elicits respondent behavior only after it has been paired with an unconditioned stimulus or another CS
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Consequence
A stimulus change that follows a behavior of interests
Some consequences, especially those that are immediate and relevant to current motivational states ahve significant influence on future behavior while others have little effect
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Contingency
Refers to dependent and/or temporal relations between operant behavior and its controlling variables
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Contingent
Describes reinforcement (or punishment) that is delivered only after the target behavior has occurred
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Deprivation
The state of an organism with repect to how much time has elapsed since it has consumed or contacted a particular type of reinforcer
Also refers to a procedure for increasing the effectiveness of a reinforcer
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Discriminated Operant
An operant that occurs more frequently under some antecedent conditions than under others
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Discriminative Stimulus
A stimulus in the presence of which responses of some type have been reinforced and in the absence of which the same type of responses have occurred and not been reinforced
This history of differential reinforcement is the reason an SD increases the momentary frequency of hte behavior
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Environment
The conglomerate of real circumstances in which the organism or referenced part of the organism exists
Behavior cannot occur in the absence of environment
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Establishing Operation
A motivating operation that establishes (increases) the effectiveness of some stimulus, object, or event as a reinforcer
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Extinction
The discontinuring of a reinforcement of a previously reinforced behavior
The primary effect is a decrease in the frequency of the behavior until it reaches a prereinforced level or ultimately ceases to occur
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Habituation
A decrease in responsiveness to repeated presentations of a stimulus; most often used to describe a reduction of respondent behavior as a function of repeated presentation of the eliciting stimulus over a short span of time
Some researchers suggest that the concept also applies to withing-session changes in operant behavior
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Higher Order Conditioning
Development of a conditioned reflex by pairing of a nuetral stimulus with a conditioned stimulus
Also called secondary conditioning
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History of Reinforcement
An inclusive term referring in general to all of a person's learning experiences and more specifically to past conditioning with respect to particular response classes or aspects of a person's repertoire
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Motivating Operation
An environmental variable that alters the reinforcing or punishing effectiveness of some stimulus, object, or event and alters the current frequency of all behavior that has been reinforced or punished by that stimuls, object, or event
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Negative Reinforcement
A stimulus whose termination functions as reinforcement
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Neutral Stimulus
A stimulus change that does not elicit respondent behavior
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Ontogeny
The history fo the development of an individual organism during its lifetime
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Operant Conditioning
The basic process by which operant learning occurs
Consequences result in an increased or decreased frequency of the same type of behavior under similar motivational and environmental conditions in the future
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Phylogeny
The history of the natural evoltuion of a species
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Positive Reinforcement
Occurs when a behavior is followed immediately by the presentation of a stimulus that increases the future frequency of the behavior in similar conditions
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Principle of Behavior
A statement describing a functional relation between behavior and one or more of its controlling variables with generality across organisms, species, settings, behaviors, and time
An empirical generalization inferred from many experiments demonstrating the same functional relation
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Punisher
A stimulus change that decreases the future frequency of behavior that immediately precedes it
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Punishment
Occurs when stimulus change immediately follows a response and decreases the future frequency of that type of behavior in similar conditions
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Reflex
A stimulus-response relation consisting of an antecedent stimulus and the respondent behavior it elicits
Unconditioned and conditioned reflexes protect against harmful stimuli, help regulate the internal balance and economy of the organism, and promote reprodcuction
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Reinforcement
Occurs when a stimulus change immediately follows a response and increases the future frequency of that type of behavior in similar conditions
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Reinforcer
A stimulus change that increases the future frequency of behavior that immediately precedes it
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Repertoire
All of the behaviors a person can do
Or a set of behaviors relevant to a particular setting or task
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Respondent Behavior
The response component of a reflex
Behavior that is elicited or induced by antecedent stimuli
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Respondent Conditioning
A stimulus-stimulus pairing procedure in which a neutral stimuls is presented with an unconditioned stimulus until the neutral stimulus becomes a conditioned stimulus that elicits the conditioned response
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Respondent Extinction
The repeated presentation of a conditioned stimulus in the absence of the unconditioned stimulus
The CS gradually loses its ability to elicit the conditioned response until the conditioned reflex no longer appears in the individual's repertoire
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Response
A single instance or occurrence of a specific class or type of behavior
"Action of an organism's effector. An effector is an organ at the end of an efferent nerve fiber that is specialized for altering its environment mechanically, chemically, or in terms of other energy changes."
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Response Class
A group of responses of varying topography, all of which produce the same effect on the environment
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Satiation
A decrease in the frequency of operant behavior presumed to be the result of continued contact with or consumption of a reinvorcer that has followed the behavior
Also refers to a procedure for reducing the effectiveness of a reinforcer
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Selection by Consequences
The fundamental principle underlying operant conditiong
The basic tenet is that all forms of (operant) behavior, from simple to complex, are selceted, shaped, and maintained by their consequences during an individual's lifetime
Skinner's concept of selection by consequences is parallel to Darwin's concept of natural selection of genetic structures in the evolution of species
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Stimulus
An energy change that affects an organism through its receptor cells
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Stimulus Class
A group of stimuli that share specified common elements along formal, temporal, and/or functional dimensions
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Stimulus Control
A situation in which the frequency, latency, duration, or amplitude of a behavior is altered by the presence or absence of an antecendent stimulus
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Stimulus-Stimulus Pairing
A procedure in which two stimuli are presented at the same time, usually repeatedly for a number of trails, which often results in one stimulus acquiring the function of the other stimulus
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Three-Term Contingency
A-B-C
The basic unit of analysis in the analysis of operant behavior
Encompasses the temporal and possibly dependent relations among an antecendent stimulus, behavior, and consequences
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Unconditioned Stimulus
The stimulus component of an unconditioned reflex
A stimulus change that elicits respondent behavior without any prior learning
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Unconditioned Reinforcer
A stimulus change that increases the feequency of any behavior that immediately precedes it irrespective of the organism's learning history with the stimulus
Unconditioned reinforcers are the product of the evelutionary development of the species
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Unconditioned Punisher
A stimulus change that decreases the frequency of any behavior that immediately precedes it irrespective of the organism's learning history eith the stimulus
Unconditioned punishers are products of the evolutionary development of the species, meaning that all members of a species are more or less susceptivle to punishment by the presentation of unconditioned punishers
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ABA Design
A three phase experimental desing consisting of an intial baseline phase, an intervention phase, and a return bot baseline conditions
Can repeat this pattern (ABAB desingn)
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Abative Effect
A decrease in the current frequency of behavior that has been reinforced by the stimulus that is increased in reinforcing effectiveness by the same motivating operation
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Abolishing Operation (AO)
A motivating operation that decreases the reinforcing effectiveness of a stimuli, object, or event
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Alternating Treatmens Design
An experimental desging in which two or more conditions are presented in rapidly alternating succession independent of the level of responding
Differences in responding between or among conditions are attributed to the effects of the conditions
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Antecedent Intervention
a beahvior change stragegy that manipulates contingency-dependent antecedent stimuli
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Applied Behavior Analysis
The science in which tactics derived from the principles of behavior are applied to improve socially significant behavior and experimentation is used to identify the variables responsible for the improvement of behavior
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Ascending Baseline
a data path that shows an increasing trend in the response measure over time
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Aversive Stimulus
an unpleasant or noxious stimulus
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BAB Design
a three phase experimental desing that begins with the treament condition, treatment is withdrawn, and then the treatment is reintroduced
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Backward Chaining
A teaching procedure in which a trainer completes all but the last behavior in a chain, which is performed by the learner, who then recieves reinforcement for completing the chain.
When the learner shows competence in performing hte final step in the chain, the trainer then performs all but the last two steps and so on.
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Baseline
A condition of an experiment in which the independent variable is not present
Data obtained during baseline are the basis for determining the effects of the independent variable
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Behavior Chain
A sequence of responses in which each response produces a stimulus change that functions as condiditioned reinfrocement for that response and as a discriminative stimulus for the next response in the chain
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Behavior Trap
An interrelated community of contingencies of reinforcment that can be especially powerful, producing substantial and long-lasting behavior changes
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Behavior Momentum (High-probability Request Sequence)
A metaphor to describe a rate of responding and its resistance to change following an alteration in reinforcement conditions
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Celeration
the change in rate of responding over time
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Changing criterion Design
An experimental desing in which an intiail baseline phase is followed by a series of treatment phases consisting of successive and gradually changing criteria for reinforcement or punishment
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Conditioned motivation operation (CMO)
a motivating operation whose value-altering effect depends on a learning history
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Cumulative Record
A type of graph on shich the cumulative number of responses emitted is represented on the vertical axis
The steeper the slope of the data path, the greater the response rate
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Dependent Variable
the variable in an experiement meausred to determine if it changes as a result of manipulations of the independet variable
In ABA it represents some emasure of a socially significant behavior
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Descending Baseline
A data path that shows a decreaseing trend in the response measure over time
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Differential Reinforcment
reinforcing only those repsonses within a response class that meet specific criteria along some dimensions and palcing all other responses in the class on extinction
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Differential Reinforcement of Alternative Behavior (DRA)
A procedure for decreasing problem behavior in which reinforcement is delivered for a behavior that serves as a diesirable alternative to the behavior targeted for reduction
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Differential Reinforcement of Incompatible Behavior (DRI)
A procedure for decreasing problem behavior in which reinforcement is delivered for a behavior that is topographically incompatible with the behavior targeted for reduction
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Differential Reinforcment of Low Rates (DRL)
A schedule of reinforcement in which reinforcment follows each occurrence of the target behavior that is separated from the previous response by a minimum interresponse time or is contingent on the number of responses within a period of time not exceeding a predetermined criterion
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Differential Reinforcement of Other Behavior (DRO)
A procedure for decreasing problem bheavior in which reinforcement is contingent on the absence ofthe problem behavior during or at specific times
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Discrete trial
Any operant whose response rate is controlled by a given opportunity to emit the response
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DRI/DRA Reversal Technique
An experimental technique that demonstrates the effects of reinforcement; it uses DRI/DRA as a control condition instead of a no-reinforcement condition
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DRO reversal technique
an experiemntal technique for demonstrating the effects of reinforcement by using DRO as a control condition instead of a no-reinforcement condition
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Establishing Operation
a motivating operation that establishes the effectiveness of some stimulus, object, or event as a reinforcer
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Ethical Codes of Behavior
Statements that provide quidelines for memebers of professional associations when deciding a course of action or conducting professional duties
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Evocative Effect
An increse in the current frequency of behavior that has been renforced by the stimulus that is increased in reinforcing effectivness by the same motivating operation
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Exclusion time-out
A procedure for implementing time-out in which contingent on the occurrence of a target behavior the person is removed physically from the current environment for a specified period
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Extinction Burst
An increase in the frequency of responding when an extinction procedure is initially implemented
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Fading
A procedure for transferring stimulus control in which features of an antecendent stimulus controlling a behavior are gradually changed to a new stimulus while maintaining the current behavior
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Fixed Interval
A schedule of reinforcement in which reinforcement is delivered for the first repsonse emitted following the passage of a fixed duration of time since the last response was reinforced
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Fixed Ratio
a schedule of reinforcment requiring a fixed number of responses for reinforcement
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Fixed-timne Schedule
a schedule for the delivery of non-contingenet stimuli in which a time interval remains the same from one delivery to the next
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Foward Chaining
A method for teaching beahvior chains that begins with the learner being prompted and taught to perform the first behavior inthe task analysis; the trainer completes the remaining steps in the chain
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Frequency
A ratio of count per observation time
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Functional Analysis
An analysis of the purposes of problem behavior wherein antecedents and consequences representing those in the person's natural routines are arranged within an experimental design so that their seperate effects on problem behavior can be observed and measured
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Functional Behavior Assessment (FBA)
A systematic method of assessment for obtaining information about the purposes (functions) a problem behavior serves for a person; results are used to guide of an intervention for decreasing the problem behavior and increasing appropriate behavior
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Functional Communication Training (FCT)
An antecedent intervention in which an appropriate communicative behavior is taught as a replacement behavior for problem behavior usually evoked by an establishing operation (EO)
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Functionally Equivalent
Serving the same function or purpose; different topographies of behavior are functionally equivalent if they produce the same consequences
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Generalization
a generic term for a variety of behavioral processes and behavior change outcomes
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High-probability (high-p) request sequence
an antecedent intervention in which two to fice easy tasks with a know history of learner compliance (the high-p requests) are presented in quick succession immediately before requesting the target task (the Low-p request)
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History of Reinforcement
An inclusive term referring in general to all of a person's learning experiences andmore specifically to past conditioning with respect to particular response classes or aspects of a person's repertoire
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Imitation
A behavior controlled by any physical movement that serves as a novel model excluding vocal-verbal behavior, has formal similarity witht the model, and immediately follows the occurrence of the model
An imitative behavior is a new behavior emitted following a novel antecedent event
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Independent Variable
The variable that is systematically manipulated by the researcher in an experiment to see whether changes in the independent variable produce reliable changes in the dependent variable
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Indirect Functional Assessment
Structured interviews, checklists, rating scales, or questionnaires used to abtain information from people who are familiar with the person exhibiting the problem behavior
Used to identify conditions or events in the natural environment that correlate with the problem behavior
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Informed Consent
when the potential recipient of services or participant in a research study givels his explicit permission before any assessment or treatment is provided
Full disclosure of effects and side effects must be provided
To give consent, ther person muct demonstrate the capacity to decide, do so voluntarily, and have adequate knowledge of all salient aspects of the treatment
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Intermittent schedule of reinforcement (INT)
A contingency of reinforcement in which some but not all occurrences of the behavior produce reinforcement
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Interobserver agreement (IOA)
The degree to which two or more independent observers report the same observed values after measuring the same events
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Interresponse Time (IRT)
A measure of temporal locus; defined as the elapsed time between two successive responses
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Irreversibility
A situation that occurs when the level of responding observed in a previous phase cannot be reproduced even thoughthe experimental conditions are the same as they were during the earlier phase
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Magnitude
The force or intensity with which a repsonse is emitted
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Maintenance
The extent to which the learner continues to perform the target behavior after a portion or all of the intervention has been terminated; a dependent variable or characteristic of behavior
And a condition in which treatment has been discontinued or partially withdrawn an independent variable or experimental condition
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Mand
An elementary verbal operant that is evoked by an MO and followed by specific reinforcement
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Massed Practice
A self-directed behavior change technique in which the person forces himself to perform an undesired behavior repeatedly which sometimes decreases the furture frequency of the beahvior
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Matching Law
The allocation of respsonses to choices available on concurrent schedules of reinforcement; rates of responding across choices are distributed in proportions that match the rates of reinforcment received from each choice alternative
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Measurement by permanent product
A method of measuring behavior after it has occured by recording the effects that the behavior produced onthe environment
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Mixed Schedule
A compound schedule of reinforcement consisting of two or more basic schedules of reinforcement that occur in an alternating (usually random) sequence
No discriminative stimuli are correlated with the presence or ansence of each element of the schedule and reinforcment is delivered for meeting the response requirements of the element in effect at any time
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Momentary Time Sampling
A measurement method in which the presence or absence of behaviors are recorded at precisely specified time intervals
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Multiple Baseline Design
An experimental design that begins with the concurrent measurement of two or more behaviors in a baseline condition, followed by the application of the treatment variable to one of the behaviorswhile basline conditions remain ineffect for the other behavior
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Multiple schedule
A compound schedule of reinforcement consisting of two or more basic schedule of reinforcment that occur in an alternating (usaually random) sequence
A disciminative stimulus is correlated with the presence or absence of each element of the schedule, and reinforcment is delivered for meeting the response reuirements of the element in effect at any time
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Multiple Treatment Reversal Design
Any experimental design that uses the experimental methods and logic of the reversal tactic to compare the effects of two or more experimental conditions to baseline and/or one another
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Negative Punishment
A reponse behavior is followed immediatley by the removal of a stimulus (or a decrease in the intensity of the stimulus), that decreases the future frequency of similar responses under similar conditions
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Neutral Stimulus (NS)
A stimulus change that does not elicit respondent behavior
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Noncontingent reinforcement (NCR)
A procedure in which stimuli with known reinforcing properties are presented on fixed-time or variable-time schedules completely independent of behavior; often used as an antecedent intervention to reduce problem behavior
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Noncontingent Reinforcement (NCR) Reversal Technique
An experimental control technique that demonstrates the effects of reinforcement by using oncontingent reinforcement as a control condition instead of a no-reinforcement condition
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Nonexclusion Time-Out
A procedure for implementing time-out in which, contingent on the occurrence of the target behavior, the person remains within the setting but does not have access to reinforcment, for a specified period
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Normalization
Philosophy and principle--the belief that people with disabilities should to the maximum extent possible be physically and socially integrated into the mainstream of society regardless of the degree or type of disability
Approach to Intervention--the use of progressibely more typical settings and procedures to establish and/or maintain persoanl behaviors which are as culturally normal as possible
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Overcorrection
A beahvior change tactic based on positibe punishment in which, contingent on the problem behavior, the learner is required to engage in effortful behavior directly or logically related to fixing the damage caused by the behavior
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Parsimony
the practice of ruling out simple, logical esplanations, experimentally or conceptually before considering more complex or abstract explanations
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Partial-Interval Recording
A time sampling method for measuring behavior in which the observation period is dvided into a series of brief time intervals
The observer records whether the target bheavior occurred at any time during the interval
Tends to overestimate the proportion of the observation period that the behavior actually occurred
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Planned Activity Check (PLACHECK)
A variation of momentary time sampling in which the observer records whether each person in a group is engaged in the target behavior at specific points in time
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Planned Ignoring
A procedure for implementing time-out in which social reinforcers--usually attention, physical contact, and verbal interaction--are withheld for a brief period contingent on the occurrence of the target behavior
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Positive Practice Overcorrection
A form of overcorrection in which, contingent on an occurrence of the target behavior the learner is required to repeated a correct form of the behavior, or a behavior incompatible with the problem behavior, a specified number of times
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Positive Punishment
A behavior is followed immediatley by the presnetation of a stimulus that decreases the future frequency of the behavior
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Practice Effects
Improvements in performance resulting from opportunities to perform a behavior repreatedly so that baseline measures can be obtained
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Premack Principle
A principle that states that making the opportunity to engage in a high-probability behavior contingent on the occurrence of a low-frequency behavior will function as reinforcement for the low-frequency behavior
Grandma's Rule
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Ratio Strain
A behavioral effect associated with abrupt increases in ratio requirements when moving from denser to thinner reinforcement schedules
Common effects include avoidance, aggression, and unpredicatable pauses or cessation in responding
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Recovery From Punishment Procedure
The occurrence of a previously punished type of response without its punishing consequence. This procedure is analogous to the ectinction of previously reinforced behavior and has the effect of undoing the effect of the punishment
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Resistance to Extinction
The relative frequency with which operant behavior is emitted during extinction
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Response Blocking
A procedure in which the therapist physically intervenes as soon as the learner begins to emit a problem behavior to prevent completion of the targeted behabior
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Response Cost
The contingent loss of reinforcers producing a decrease of the frequency of behavior; a form of negative punishment
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Reversal Design
Any experimental design in which the researcher attempts to verify the effect of the independent variable by reversing responding to a level obtained in a previous condition; encompasses experimental designs in which the independent variable is withdrawn or reversed in its focus
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Schedule of Reinforcement
A rule specifying the environmental arragements and response requirements for reinforcement
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Schedule Thinning
Changing a contingency of reinforcement by gradually increasing the response ration or the extent of the time interval
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Self-control
A person's ability to delat gratification by emitting a reponse that will produce a larger delayed reward over a response that produces a smaller but immediate reward
A person's behaving in a certain way so as to change a subsequent behavior
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Self-evaluation
A procedure in which a person compares his performance of a target behavior with a predetermined goal or standard
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Self-instruction
Self-generated verbal responses (cover or overt) that function as rules or response prompts for a desired behavior
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Self-management
The personal application of behaivor change tactics that produces a desired change in behavior
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Self-monitoring
A procedure wherby a person systematically observes his behavior and records the occurrence or nonoccurrence of a target behavior
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Sensory Extinction
The process by which behaviors maintained by automatic renforcement are placed on extinction by masking or removing the sensory consequence
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Sequence effects
the effects on a subject's behavior in a given condition that are the result of the subject's experience with a prior condition
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Shaping
Using differential reinforcement to produce a series of gradually changing response classes
Each response class is a successive approximation toward a terminal behavior
Members of an exisitng response class are selected for differential reinforcement because they more closely resemble the terminal behavior
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Single-subject Design
a wide variety of research designs that use a form of experimental reasoning called basline logic to demonstrate the effects of the independent variable on the behavior of individual subjects
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Social validity
refers to the extent to which target behaviors are appropriate, intervention procedures are acceptable, and important and significant changes in target and collateral behaviors are produced
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Split-middle Line of Progress
A line drawn through a series of graphed data points that shows the overall trend in the data; drawn though the intersections of the vertical and horizontal middles of each half of the charted data and then adjusted up or down so that half of all the data points fall on or above and half fall on or below the line
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Spontaneous Recovery
A behavioral effect associated with extinction in which the behavior suddenly begins to occur after its frequency has decreased to its prereinforcment level or stopped entirely
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Stimulus Delta
A stimulus in the presence of which a given behavior has not produced reinforcement inthe past
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Systematic desensitization
A behavior therapy treatment for anxieties, fears, and phobias that involves sustituting one response, generally muscle relaxation, for the unwanted behavior
The client pracitices relazing while imagingin anxiety-producing situations in a sequence from the least fearful to the most fearful
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Target Behavior
The response class selected for intervention; can be defined either functionally or topographically
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Task Analysis
The process of breaking a complex skill or series of behaviors into smaller, teachable units; also refers to the results of this process
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Time-out from positive reinforcment
The contingent withdrawal of the opportunity to earn positive reinforcement or the loss of access to positive reinforcers for a specified time
A form of negative punishment
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Time-out ribbon
A procedure for implementing nonexclusion time-out in which a child wears a ribbon or wristbad that becomes discriminative for receiving reinforcment
Contingent on misbehavior the ribbon is removed and access to social and other reinforcers are unavailable for a specific period
When time-out ends, the ribbon or band is returned to the child and time-in begins
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Time-sampling
a measurement of the presence or absence of behavior within specific time intervals. It is most useful with continuous and high-rate behaviors
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Token Economy
A system whereby participants earn generalized conditioned reinforcers as an immediate consequence for specific behaviors
Participants accumulate tokens and exchange them for items and activities form a menu of backup reinforcers
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Topography
The physical form or shape of a behavior
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Total-task Chaining
A variation of forward chaingin in which the learner receives training on each behavior in the chain during each session
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Unconditioned Motivating Operation (UMO)
A motivating operation whose value-altering effect does not depend on a learning history
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Variable Ratio (VR)
A schedule of reinforcement requiring a varying number of responses for reinforcement
The number of responses required varies around a rondom number: the mean number of responses required for reinforcement is used to describe the schedule
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Variable-Time Schedule (VT)
A schedule for the delivery of noncontingent stimuli in which the interval of time from one delivery to the next randomly varies around a given time
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Visual Analysis
A systematic approach for interpreting the results of behavioral research and treatment programs that entails visual inspection of graphed data for variability, level, and trend within and between experiemental conditions
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Whole-interval Recording
A time sampling method for measuring behavior in which the observation period is divided into a series of brief time intervals
At the end of each interval, the observer records whether the target behavior occurred throughout the entire interval
Tends to underestimate the proportion of the observation period that many behaviors actually occurred
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