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Definition
| an outcome or result that appears to exist behavior of the way it is measured bu in fact does not correspond to what actually occurred |
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Definition
| the change in rate of responding over time, based on count per unit of time, expressed as a factor by which responding is accelerating or decelerating, used in Standard Celeration Charts |
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Definition
| a unit of time (week, day, etc) in which celeration is plotted on a Standard Celeration Chart |
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Definition
| measured as a factor by which rate multiplies or divides across the celeration time periods |
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Definition
| a tally of the number of occurrences of a behavior |
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Definition
| any operant whose response rate is controlled by a given opportunity to emit the response, each discrete response occurs when an opportunity to respond exists |
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Definition
| The total time that behavior occurs; measured by elapsed time from the onset of a response to its end point. |
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Definition
| obtaining a tally or count of the number of times a behavior occurs |
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Term
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Definition
| any operant behavior that results in minimal displacement of the participant in time and space, can be emitted at any time, discrete, requires minimal time to complete, and can produce a wide range of response rates (i.e. the # of words read during a 1-min counting period) |
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Definition
| How often a behavior occurs. (interchangeable with rate in 2nd ed.) |
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Definition
| A measure of temporal locus, defined as the elapsed time between two successive responses. |
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Definition
| The force or intensity with which a response is emitted; provides important quantitative parameters used in defining and verifying the occurrence of some response classes. |
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Definition
| The process of applying quantitative labels to describe and dif-ferentiate objects and natural events. |
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Term
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Definition
| Nonrandom measurement error; a form of inaccurate measurement in which the data consistently overestimate or underestimate the true value of an event. |
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Term
| measurement by permanent product |
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Definition
| A method of measuring behavior after it has occurred by recording the effects that the behavior produced on the environment. |
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Term
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Definition
| A measurement method in which the presence or absence of behaviors is recorded at precisely specified time intervals (at the moment each time interval ends) Good for measuring continuous activity |
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Term
| partial-interval recording |
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Definition
A time sampling method for measuring behavior in which the observation period is divided into a series of brief time intervals (typically from 5 to 10 seconds). The observer records whether the target behavior occurred at any time during the interval.
Overestimates total duration, underestimates rates of high frequency Bx. |
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Term
| planned activity check (PLACHECK) |
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Definition
| 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; provides a measure of group behavior |
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Term
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Definition
| A fundamental measure of how often behavior occurs expressed as count per standard unit of time (e.g., per minute, per hour, per day) and calculated by dividing the number of responses recorded by the number of standard units of time in which observations were conducted |
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Term
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Definition
| the fact that a behavior can occur repeatedly throughout time, one of the three dimensional quantities of behavior from which all behavioral measurements are derived |
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Term
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Definition
| every instance of behavior occurs during some amount of time |
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Term
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Definition
| every instance of behavior occurs at a certain point in time with respect to other events; often measured in latency and IRT |
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Term
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Definition
| 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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Term
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Definition
| The physical form or shape of a behavior. |
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Term
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Definition
| A time sampling method for measuring behavior in which the observation period is divided into a series of brief time intervals (typically from 5 to 15 seconds). At the end of each interval, the observer records whether the target behavior occurred throughout the entire interval; tends to underestimate the overall percentage of the observation period in which the target behavior actually occurred. |
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Term
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Definition
| a ration or proportion formed by combining the same dimensional qualities such as count or time, expressed as a number of parts per 100; typically expressed as a ratio of the number of responses of a certain type per total number of responses or opportunities |
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Term
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Definition
| measure of the number of response opportunities needed to achieve a predetermined level of performance |
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Term
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Definition
| measure of the elapsed time between the onset of a stimulus and the initiation of a subsequent response |
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