RBT Exam Study Guide
Explore the lessons in Data Collection. Start with a lesson and review the key ideas. Use lesson questions when available.
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Two observers watch the same learner hum during a work period. One writes, "Hummed 6 times." The other writes, "Hummed for 4 minutes in total." Both notes are accurate, and both describe the same humming. They answer different questions about it: how many times, and for how long.
About 4 minutes
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Open lesson →Before you can count or time a behavior, everyone on the team has to agree on exactly what counts. An operational definition is that written agreement. It is a clear, specific description of the behavior to be measured. Once the definition is clear, you can measure different things about the behavior, such as how long it lasts or how quickly it starts.
About 12 minutes
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Open lesson →Sometimes a behavior plan does not ask you to record every instance of a behavior. It may instead ask for one of two other kinds of record:
About 11 minutes
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Open lesson →When you observe a behavior, you end up with raw numbers: tallies, timings, checked boxes. To compare sessions fairly, you often turn those raw numbers into a summary such as a rate, an average length, or a percentage. Every one of these summaries is a division: something you counted or measured, divided by what you counted it against. Most errors come from dividing by the wrong thing.
About 11 minutes
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Open lesson →A behavior graph turns a stack of data sheets into one picture. Your team uses that picture to see whether a behavior is changing over time. The picture can only be trusted if two things are true. The numbers placed on it must be accurate. The plan must have been followed closely while those numbers were collected.
About 8 minutes
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