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Results

#1. A client engages in a specific form of self-injurious behavior (SIB) described as a ‘rapid strike to one’s own face.’ This behavior is consistently very quick, typically lasting less than two seconds per instance. When selecting a measurement procedure for this behavior, which of the following would be the LEAST appropriate method to accurately capture and reflect changes in this particular SIB?

Rate (frequency per unit of time)

Frequency (count of occurrences)

Duration (length of time the behavior occurs)

Interresponse Time (IRT) (time between responses)

For a behavior described as a rapid strike that lasts less than two seconds duration is likely the least appropriate measurement While duration can technically be measured for any behavior a behavior that is inherently very brief and consistent in its short duration eg 0515 seconds offers limited utility for tracking significant changes or demonstrating the impact of intervention Reducing an already minimal duration may not be the most meaningful target In contrast frequency or rate would effectively capture how often the strike occurs and Interresponse Time IRT would measure the time between strikes all of which are likely to be more sensitive and impactful measures for a rapid discrete event like a strike The goal is often to reduce the occurrence of such behavior not necessarily its fleeting length

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