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Take a free 20-question BCBA starter mock spread across all nine content areas. Answer the first 10 right here with no account; accounts open soon, and finishing in the app gets you a score by domain and a rationale for every answer.
Weighted by domain like the real exam. Answer the first 10 here, exam-style: no feedback until the end.
Domain B · Concepts and PrinciplesQuestion 1 of 20
Free sets with instant feedback and the reasoning behind every answer. No account needed.
Exam facts last checked on October 7, 2026. Always confirm current details with the BACB before you book: BCBA Test Content Outline (6th ed.)(opens in a new tab), Test Content Outlines for BACB Certifications(opens in a new tab).
Full mocks run in the app. Once accounts open, the free plan includes a full-length BCBA mock exam every month and unlimited 25-question quick mocks, or unlimited full mocks on Pro.
175 scored questions drawn by domain weight, so behaviorism and philosophical foundations and every other area show up in the same proportions as exam day.
A 4-hour clock, flagging and a review screen, so pacing is practiced before it counts.
See your score in every domain and the answer to every miss, so you know where to study next. Pro adds a task-by-task breakdown and an explanation for every miss.
Full mock exams open with accounts. Join the waiting list and we'll email you when you can take one. Every study guide is free to read until then.
Practice questions are written by our team. We never reproduce real exam items.
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Full mock exams open with accounts. Join the waiting list and we'll email you when you can take one. Every study guide is free to read until then.