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Original content only

Every question is written by our team for exam-style practice. We are not affiliated with, endorsed by, or connected to the BACB.

Verifiable quality

What you are actually buying

Measured on the live question bank on 19 September 2026, not estimated. Every figure below can be re-counted from the database.

525

original questions — RBT 160 · BCaBA 150 · BCBA 215

50%

include a data table or a graph to read, not just text

4 / 4

every question explains all four options, not only the correct one

repeated question stems across the whole bank

19%

of questions where the correct answer is the longest option — chance is 25%, so length is not a clue

A 24 · B 23 · C 27 · D 25

how often the answer sits in each position (%) — no favoured letter

Written by our team against the current Test Content Outlines (RBT 3rd edition, BCaBA and BCBA 6th edition). Nothing is copied from another bank or reconstructed from real exam questions, and no score shown anywhere on this site is a BACB score. We are not affiliated with, endorsed by, or connected to the BACB.