When It Fits
Use it when separate occurrences are clear and the practitioner needs response-spacing data rather than count, duration, or latency from an antecedent.
Interresponse Time Recording
Interresponse Time Recording is a practitioner-only ABA timing tool for practitioners who need to understand response spacing. It helps mark consecutive target behavior occurrences, derive the time between them, and compare spacing patterns across comparable sessions.
Mark sample occurrences.
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Tool guide
Learn more about this tool
Use this background section to understand when the tool fits, how practitioners use it, and what to consider before sharing it with clients.
Gap Handling
Session breaks and unrelated observation gaps should be marked so they do not silently become interresponse intervals.
Limits
The tool does not explain why spacing changed or prescribe intervention schedules.
Why does the first occurrence produce no IRT value?
IRT requires at least two consecutive occurrences because it measures time between instances.
Can long observation gaps be excluded?
Yes. The tool supports boundary handling so unrelated gaps are not treated as consecutive response intervals.
Does the tool measure latency?
No. IRT measures time between behavior occurrences, not delay after an antecedent.
What is saved from the demo?
The tool and boundary handling setup are saved; sample occurrence marks and intervals are not saved as client data.