Measurement is a fundamental skill that every RBT must master. This 12-question quiz covers the core measurement concepts you’ll encounter on the certification exam, including frequency and duration recording, latency measurement, interresponse time analysis, and various interval recording methods. Whether you’re just starting your RBT journey or reviewing for the exam, this quiz will help you assess your understanding of these essential data collection techniques.
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RBT Measurement Practice
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Question 1 of 12
1. Question
Which of the following should NOT be included in your preparation before starting data collection?
Correct
Data preparation involves gathering materials and setting up equipment before the session begins. Analyzing data trends is a post-collection activity done after sessions, not part of pre-session preparation.
Incorrect
Data preparation involves gathering materials and setting up equipment before the session begins. Analyzing data trends is a post-collection activity done after sessions, not part of pre-session preparation.
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Question 2 of 12
2. Question
Maria is working with her client Alex during a 30-minute session. She needs to track every time Alex says “help me” to request assistance with tasks. At the end of the session, Maria counted 18 instances. What type of measurement did she use?
Correct
Frequency recording involves counting every occurrence of a discrete behavior within a specified observation period. Maria counted all 18 instances of “help me” requests, making this frequency measurement.
Incorrect
Frequency recording involves counting every occurrence of a discrete behavior within a specified observation period. Maria counted all 18 instances of “help me” requests, making this frequency measurement.
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Question 3 of 12
3. Question
During therapy, Jake starts screaming at 2:15 PM and stops at 2:18 PM. Later, he screams again from 2:25 PM to 2:27 PM. His RBT records the total screaming time as 5 minutes for the session. What measurement procedure was used?
Correct
Duration recording measures the total amount of time a behavior occurs. The RBT added both screaming episodes (3 minutes + 2 minutes = 5 minutes total) to capture the cumulative duration.
Incorrect
Duration recording measures the total amount of time a behavior occurs. The RBT added both screaming episodes (3 minutes + 2 minutes = 5 minutes total) to capture the cumulative duration.
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Question 4 of 12
4. Question
Emma observes her client during 5-minute intervals for on-task behavior. She only marks an interval as positive (+) if her client works continuously for the entire 5 minutes without any breaks or distractions. If the client stops working for even 10 seconds, she marks it negative (-). What recording method is Emma using?
Correct
Whole interval recording requires the target behavior to occur throughout the entire interval duration. Any interruption in the behavior, no matter how brief, results in a negative score for that interval.
Incorrect
Whole interval recording requires the target behavior to occur throughout the entire interval duration. Any interruption in the behavior, no matter how brief, results in a negative score for that interval.
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Question 5 of 12
5. Question
Lucas divides his 20-minute observation into 2-minute intervals. During the first interval, his client hits the table once at the 30-second mark, then plays appropriately for the remaining time. Lucas records this interval as occurring (+). What type of measurement is he using?
Correct
Partial interval recording marks an interval as positive if the target behavior occurs at any point during that interval, regardless of duration. One instance of hitting during the 2-minute interval is sufficient to score it as occurring.
Incorrect
Partial interval recording marks an interval as positive if the target behavior occurs at any point during that interval, regardless of duration. One instance of hitting during the 2-minute interval is sufficient to score it as occurring.
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Question 6 of 12
6. Question
Sophie sets a timer to beep every 3 minutes during her session. When the timer sounds, she immediately looks at her client and records whether they are sitting in their chair at that exact moment. She doesn’t observe between timer signals. What procedure is Sophie implementing?
Correct
Momentary time sampling involves observing behavior only at predetermined moments when intervals end. Sophie only records what’s happening at the instant the timer beeps, not throughout the entire interval.
Incorrect
Momentary time sampling involves observing behavior only at predetermined moments when intervals end. Sophie only records what’s happening at the instant the timer beeps, not throughout the entire interval.
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Question 7 of 12
7. Question
At the end of each session, Kevin counts how many math problems his client completed correctly on their worksheet. He finds 8 out of 10 problems were solved correctly. Kevin never directly observed his client working on the problems. What measurement approach did he use?
Correct
Permanent product recording measures the tangible results of behavior rather than direct observation. The completed worksheet with correct answers provides lasting evidence of the academic behavior that occurred.
Incorrect
Permanent product recording measures the tangible results of behavior rather than direct observation. The completed worksheet with correct answers provides lasting evidence of the academic behavior that occurred.
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Question 8 of 12
8. Question
After Sarah gives the instruction “clap your hands,” she starts her stopwatch. Her client begins clapping 4 seconds later. Sarah records “4 seconds” on her data sheet. What is Sarah measuring?
Correct
Response latency measures the time between presentation of a discriminative stimulus (instruction) and the onset of the target response. The 4-second delay from instruction to response beginning is response latency.
Incorrect
Response latency measures the time between presentation of a discriminative stimulus (instruction) and the onset of the target response. The 4-second delay from instruction to response beginning is response latency.
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Question 9 of 12
9. Question
Michael records that his client made 15 appropriate requests during a 3-hour session. His supervisor asks him to convert this to rate data for comparison with other sessions. What should Michael report?
Correct
Rate is calculated by dividing frequency by time: 15 requests ÷ 3 hours = 5 requests per hour. Rate data allows comparison across sessions of varying lengths.
Incorrect
Rate is calculated by dividing frequency by time: 15 requests ÷ 3 hours = 5 requests per hour. Rate data allows comparison across sessions of varying lengths.
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Question 10 of 12
10. Question
During a session, Olivia’s client asks for a break at 10:15 AM. The next request for a break occurs at 10:32 AM. Olivia records 17 minutes on her data sheet. What type of measurement is she collecting?
Correct
Interresponse time (IRT) measures the time from the end of one response to the beginning of the next occurrence of the same behavior. The 17 minutes between break requests represents IRT.
Incorrect
Interresponse time (IRT) measures the time from the end of one response to the beginning of the next occurrence of the same behavior. The 17 minutes between break requests represents IRT.
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Question 11 of 12
11. Question
Which description would be most appropriate for an objective session note?
Correct
Objective descriptions use specific, observable, measurable terms without subjective interpretations. Counting specific behaviors (leaving seat, requiring prompts) provides clear, quantifiable data that any observer could reliably record.
Incorrect
Objective descriptions use specific, observable, measurable terms without subjective interpretations. Counting specific behaviors (leaving seat, requiring prompts) provides clear, quantifiable data that any observer could reliably record.
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Question 12 of 12
12. Question
When plotting your client’s daily frequency data on a line graph, the session dates should be placed on which axis, and the behavior counts on which axis?
Correct
Standard behavior analysis graphs place the independent variable (time/sessions/dates) on the X-axis (horizontal) and the dependent variable (behavior measures/counts) on the Y-axis (vertical). This allows for clear visualization of behavior change over time.
Incorrect
Standard behavior analysis graphs place the independent variable (time/sessions/dates) on the X-axis (horizontal) and the dependent variable (behavior measures/counts) on the Y-axis (vertical). This allows for clear visualization of behavior change over time.
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Unit B: Assessment →