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# Continuous vs Discontinuous Measurement

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## Jerval Johnson

on 24 July 2015

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#### Transcript of Continuous vs Discontinuous Measurement

Continuous vs Discontinuous Measurement
Measurement
Partial Interval Recording - allows other behaviors to be monitored after the target behavior has occurred
Whole Interval Recording - GREAT for behavior that occur at a high rate.
Momentary Time Sampling - The behavior does not have to be attended to until the end of the interval
Partial Interval Recording - overestimates the total duration of the behavior and underestimates the frequency of high rate behaviors
Whole Interval Recording - The behavior has to be observed for the entire interval and can underestimate the occurrence of the behavior
Momentary Time Sampling - Overestimates AND underestimates the duration when the interval time is greater than 2 minutes.
What is measurement?
Cooper, Heron, and Heward define measurement as the process of applying qualitative labels to observed properties of events using a standard set of rules
Continuous Measurement
Continuous measurement involves measuring all of the instances of a response class are observed during an observation period.
Types of Continuous Measurement:
Partial Interval Recoding - whether a behavior occurred at ANY time during the interval
Whole Interval Recording - whether the behavior occurred during the ENTIRE interval
Momentary Time Sampling - whether the behavior is occurring at the MOMENT the interval ENDS
What is Discontinuous Measurement?
Incomplete measurement where all responses during the observation period are not necessarily detected.
Types of Discontinuous Measurement
Percentage - a ratio of the number of responses of a certain behavior.
Trials to Criterion - a measure of the number of responses needed for accuracy