Free RBT, BCaBA & BCBA exam prep resources

Everything on this page is free and works in English and Spanish. Start with the practice test that matches your exam, find your weak domains, then use the explainers to fix the concept pairs you confuse.

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Free RBT practice test (10 questions)

RBT practice exam questions

Exam-style RBT questions with answers and plain-English explanations, plus how the real 85-question exam works.

BCBA practice exam (mock)

Mock-style BCBA questions with close distractors and full reasoning, plus the exam's format and passing score.

Free BCaBA practice test (10 questions)

A BCaBA-focused diagnostic across the nine TCO domains, with instant results by domain.

Confusable concepts library

Side-by-side explainers for the pairs the exams love to test: reinforcement vs. punishment, DRO vs. DRA vs. DRI, and more.

Exam prep blog

Study guides and evidence-based strategies for the RBT and BCBA exams.

Try one question from each exam

Answer first, then reveal the explanation.

RBT · Domain A — Data Collection and Graphing

1. An RBT measures the time between when a teacher gives an instruction and when the client begins to respond. This measurement describes:

A.Duration
B.Latency
C.Interresponse time (IRT)
D.Rate

Show answer & explanation

Correct answer: B. Latency

Latency is the time between the onset of a stimulus (the teacher's instruction) and the initiation of the response. Duration would measure how long the behavior lasts once it starts — latency measures how long it takes to start.

BCBA · Domain B — Concepts and Principles

2. A child says "doggy" when she sees a cat for the first time. This is an example of:

A.Stimulus discrimination
B.Stimulus generalization
C.Response generalization
D.Intraverbal behavior

Show answer & explanation

Correct answer: B. Stimulus generalization

The SAME response ("doggy") occurs in the presence of a similar but NEW stimulus (the cat) — stimulus generalization. Response generalization would be a new response to the same stimulus; discrimination would be responding differently to dogs vs. cats.

Quick answers

Are these resources really free?

Yes — the practice test, the sample questions, and the entire concept library are free, no credit card required. The full adaptive question bank and long mock exams are part of ABA Sensei Pro.

Do I need an account to use them?

No account is needed for the sample questions or the concept explainers. The 10-question practice test asks for your email so it can send you your domain-by-domain report.

Is everything available in Spanish?

Yes. Every resource here exists in Spanish and English, and the explanations keep the English technical terms — because the exams use them.

RBT or BCBA — which track is for me?

RBT (Registered Behavior Technician) is the entry-level certification with an 85-question exam. BCBA (Board Certified Behavior Analyst) is the graduate-level certification with a 185-question exam. Pick the track that matches the credential you're pursuing.

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Take the free 10-question RBT practice test and get an instant domain-by-domain report.

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