BCBA Exam PrepTCO-weighted practice

BCBA exam prep, weighted correctly

Practice in the same proportions the exam is scored in.

Most prep tools quiz every domain equally. The real exam doesn't. Our mock exams are generated and scored against the BACB 6th Edition Test Content Outline, so your practice time tracks where the points actually are.

Top domains by exam weight

Behavior-Change Procedures20%
Measurement, Data & Interpretation15%
Concepts & Principles13%
Experimental Design10%

These four domains alone account for 58% of the exam. Our generator mirrors that split on every mock exam.

Proportional generation

Every mock exam allocates questions by the BACB's official 6th Edition domain weights -- not an even split.

Weighted scoring

Domain accuracy is normalized before weights apply, so a strong low-weight domain can't mask a weak high-weight one.

Adaptive remediation

Weak domains route into targeted follow-up fluency practice and a PDF report you can bring to supervision.

See where you actually stand.

Five questions, no account required.

Try the free sample