Essential Video
Duration refers to the length of time from the start of a behavior to the end of a behavior. When we measure the time between two behaviors, that measurement type is known as inter-response time (IRT). The video below from PsychCore defines and demonstrates IRT in practice:
Optional Video
This video from Quality ABA Consulting shows three examples of a technician recording the duration of three different behaviors. Note that duration recording would rarely be used to measure these particular behaviors—they have been chosen to illustrate the steps that an RBT needs to carry out to apply the method:
Essential Learning
Review the infographic below to consolidate your understanding of duration recording and inter-response time (IRT). You can view it on the page, enlarge it, or open the full image in a new tab.
Conversation Exercise
Complete the Conversation Exercise with FRED, our AI-powered chatbot to consolidate your understanding of duration recording and IRT measurement.
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