Question 1

What type of measurement records whether a behavior occurred or did not occur during each interval of an observation session?

Accepted Answer

Interval recording. The session is divided into equal time intervals and the observer marks whether the behavior occurred during each interval.

Question 2

What is the key difference between whole-interval and partial-interval recording?

Accepted Answer

Whole-interval recording requires the behavior to occur throughout the entire interval to be marked; partial-interval recording marks the interval if the behavior occurs at any point during it.

Question 3

What type of data collection involves observing and recording whether a behavior is occurring at the exact moment a pre-set timer sounds?

Accepted Answer

Momentary time sampling. The observer only records behavior at the specific instant the interval ends, not throughout the interval.

Question 4

Which measurement method is most appropriate for recording discrete, countable behaviors that have a clear beginning and end?

Accepted Answer

Event recording (frequency or rate recording). It counts each individual occurrence of the target behavior.

Question 5

What measurement method would an RBT use to track how long a child engages in a tantrum from start to finish?

Accepted Answer

Duration recording. It measures the total amount of time a behavior occurs from its onset to its offset.

RBT Exam: Measurement & Data

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