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RBT Exam Study Guide: Where Your Points Come From

Study for the Registered Behavior Technician (RBT) exam the way it is scored: 75 of its 85 questions count, and they follow the BACB’s 3rd-edition Test Content Outline. Behavior Acquisition supplies 19 of them and Behavior Reduction 14, so those two areas alone are 44% of your score, followed by Data Collection and Graphing at 13, Ethics at 11, Documentation and Reporting at 10, and Behavior Assessment at 8. Every scored question carries the same weight.

Written and reviewed by the LexPort exam-prep team, led by our Founder & Exam-Prep Lead. LexPort builds certification practice questions — this is exam-preparation material, not medical advice. Last reviewed October 2026.

What should I study first for the RBT exam?
Start with the two biggest areas. Behavior Acquisition covers tasks such as discrete-trial and naturalistic teaching, chaining, prompting and fading, shaping and token economies, and Behavior Reduction covers the functions of behavior, antecedent interventions, differential reinforcement, extinction and crisis/emergency procedures. Together they make up 33 of the 75 scored questions. Then give Data Collection and Graphing extra time, because it asks you to calculate and summarize data, such as rate, mean duration and percentage.
Is the RBT exam based on the 40-hour training?
Not directly. Since 2026 the BACB keeps two separate documents: the RBT 2026 40-Hour Training Requirements and Curriculum Outline sets what your training covers, and the RBT Test Content Outline (3rd ed.) describes what the exam tests. The training outline marks which of its topics also appear in the Test Content Outline, so check your notes against the outline’s 43 tasks.
Do I need to memorize the RBT Ethics Code?
You need to apply it rather than recite it. Ethics carries 11 scored questions, and the RBT Ethics Code (2.0) has 29 standards in 3 sections, so practise applying them to everyday situations such as gifts, social media posts and client confidentiality. A few concrete rules are worth knowing cold, such as the $10 limit on gifts and never sharing identifying information about clients on social media.
How long should I study for the RBT exam?
The RBT Handbook gives no recommended study period, so plan around its deadlines instead. After your application is approved you have one year to take the exam, with up to 8 attempts in 12 months and at least 7 days between attempts. A practical approach is to book a date a few weeks out, study the largest areas first, and use timed practice to find the tasks that still cost you points.
How do I know I am ready for the RBT exam?
The BACB does not publish a passing score (it sets it with the modified Angoff method), so use full-length timed practice instead: 85 questions, mixed across all six areas in the official proportions. Remember that the 90-minute appointment also includes a short tutorial and the terms, so answering time is a little less. If you fail, the score report lists the tasks where you answered items incorrectly, so in practice, review the tasks where your errors cluster.

Start by finding your gaps

Every honest study plan starts with knowing what you don't know. Try three practice questions. The app has 3,000+, timed and scored.

Question 1

Over the last few sessions, an RBT has noticed that Caleb has started humming loudly during table work. The humming causes no harm to anyone and does not stop him from completing his tasks. What is the BEST way for the RBT to handle this new behavior?

▸ Why D is the answer

A new problem behavior that is not dangerous still matters, so the RBT should document it objectively and discuss it with the supervisor at the next scheduled meeting, where the supervisor can decide whether it needs to be defined and tracked. Calling immediately and pausing the session treats a harmless behavior like an emergency and interrupts learning for no safety reason. Placing the humming on extinction applies a procedure that is not in the plan, and the RBT cannot choose interventions alone. Leaving it out because it is harmless means the supervisor never learns about a change that could grow or signal something important. Matching the urgency of the report to the risk of the behavior is the key judgment.

🔑 Key takeaway

New but harmless behavior: document it and raise it at the next scheduled supervision.

Question 2

During in-home sessions with Bao, a 4-year-old client, his grandmother often speaks to him in Vietnamese. A coworker tells Megan, the RBT, to ask the family to use only English during sessions so Bao does not get confused. What is the BEST action for Megan?

▸ Why A is the answer

Cultural responsiveness means respecting a family's primary language rather than treating it as a barrier. Megan should not discourage the grandmother from speaking Vietnamese, and any questions about language in Bao's programs belong with the supervisor, who plans programming with the family. Asking for English only restricts the family's language and rests on the mistaken belief that hearing two languages confuses young children. Allowing Vietnamese only during breaks still restricts it and signals that the family's language is less valuable. Asking the grandmother to leave the room excludes a caregiver from her grandson's services and removes a natural opportunity for generalization in the home.

🔑 Key takeaway

Never ask families to stop using their native language in sessions; respect it and route questions to the supervisor.

Question 3

An RBT places a spoon, a cup, and a plate in a row and says, 'Give me the spoon.' Before Alicia responds, the RBT gently shakes the spoon in its place, leaving all items where they were. Which term BEST describes this prompt?

▸ Why C is the answer

Shaking the spoon where it sits is a movement prompt: the RBT moves, taps, or touches the correct item so it draws Alicia's attention, while she still has to pick it up and hand it over herself. A positional prompt would place the spoon closer to Alicia than the other items, but here every item stayed in its original spot. A physical prompt would involve touching Alicia, such as guiding her hand toward the spoon, which the RBT did not do. A model prompt would require the RBT to demonstrate the full response, picking up a spoon and handing it over, for Alicia to imitate. Labeling the prompt accurately keeps the prompt-level data meaningful for fading decisions.

🔑 Key takeaway

Moving, tapping, or shaking the correct item itself is a movement prompt; moving it closer is a positional prompt.

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  • 💡 Key Takeaways — the one transferable rule per question
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  • 📖 Full rationales — why every option is right or wrong

Every RBT question is written to the current exam outline for quick learning and a clear pass strategy.

RBT® is a registered mark of the Behavior Analyst Certification Board (BACB). The BACB does not sponsor or endorse LexPort.

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