BCBA
The BCBA is the graduate-level credential for behavior analysts who design and supervise ABA services. The exam tests concepts and principles, measurement, experimental design, assessment, behavior-change procedures, intervention selection, supervision and the Ethics Code, mostly through applied scenarios.
Forty states license behavior analysts, and every one of them offers a pathway through the BCBA credential. In 2025, more people retook the BCBA exam than took it for the first time. BACB, A summary of US behavior analyst licensure laws (Regulatory Brief).
Practice and timed mocks are free, with right or wrong on every answer and your total score. The full analysis is $39, once.
How the exam is built
Owned by Behavior Analyst Certification Board, given by Pearson VUE.
BCBA exam
175 scored questions (185 in total), 240 minutes, to pass: not published by the exam owner.
| Topic | Share |
|---|---|
| A. Behaviorism and Philosophical Foundations | 5% |
| B. Concepts and Principles | 14% |
| C. Measurement, Data Display, and Interpretation | 12% |
| D. Experimental Design | 7% |
| E. Ethical and Professional Issues | 13% |
| F. Behavior Assessment | 13% |
| G. Behavior-Change Procedures | 14% |
| H. Selecting and Implementing Interventions | 11% |
| I. Personnel Supervision and Management | 11% |
The official outline: www.bacb.com/wp-content/bcba-outline-6thEd. Checked 2026-10-08.
Sources
- BCBA Test Content Outline (6th ed.), BACB; in effect for BCBA examinations since January 1, 2025, retrieved 2026-10-08.
- Exam format and pass rule, retrieved 2026-10-08.
Questions are original, written from the official outline and primary sources under an assessment framework designed by Julian Calvo, Ed.D., M.S. DecipherU is not affiliated with the Behavior Analyst Certification Board. BCBA is a BACB credential. Every practice question is original and none comes from a BACB exam.