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600+ original practice questions built to the current BCBA exam: every category, real exam difficulty, and a clear explanation for every answer.
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What’s on the BCBA?
Our question bank mirrors the official outline: same categories, same weighting, same difficulty.
| A. Behaviorism and Philosophical Foundations | Goals of behavior analysis as a science, Philosophical assumptions: selectionism, determinism, empiricism, parsimony, pragmatism, Distinguishing mentalistic from environmental/functional explanations, Radical behaviorism vs methodological behaviorism. About 5% of the exam. |
| B. Concepts and Principles | Defining and distinguishing positive and negative reinforcement, Defining and distinguishing positive and negative punishment, Automatic vs socially mediated contingencies, Unconditioned, conditioned, and generalized reinforcers and punishers. About 14% of the exam. |
| C. Measurement, Data Display, and Interpretation | Continuous measurement: frequency/count, rate, duration, latency, IRT, magnitude, Discontinuous measurement: partial-interval, whole-interval, momentary time sampling and their biases, Selecting measurement procedures appropriate to the dimension of behavior, Creating operational, observable, and measurable target definitions. About 12% of the exam. |
| D. Experimental Design | Independent vs dependent variables in behavior-analytic research, Components of single-subject experimental designs, Prediction, verification, and replication, Reversal/withdrawal (ABAB) designs and their limitations. About 7% of the exam. |
| E. Ethical and Professional Issues | Applied core principles: benefit others, treat others with compassion/dignity/respect, behave with integrity, ensure competence, Scope of competence and practicing within it, Maintaining confidentiality and appropriate documentation/records, Informed consent and assent for assessment and treatment. About 13% of the exam. |
| F. Behavior Assessment | Reviewing records and available data before assessment, Conducting behavioral and functional skills assessments, Selecting and using preference assessments, Indirect functional assessment. About 13% of the exam. |
| G. Behavior-Change Procedures | Positive and negative reinforcement to increase behavior, Differential reinforcement, Shaping via successive approximations, Chaining (forward, backward, total task) and prompting within chains. About 14% of the exam. |
| H. Selecting and Implementing Interventions | Stating intervention goals in observable, measurable terms, Identifying potential interventions based on assessment and function, Recommending least restrictive, evidence-based procedures, Considering client preferences and social validity in selection. About 11% of the exam. |
| I. Personnel Supervision and Management | Stating the rationale and importance of effective supervision, Establishing behavior-analytic supervision systems, Behavioral skills training, Delivering effective performance feedback. About 11% of the exam. |
BCBA Guides and Exam News
Straight answers to the questions every candidate asks, checked against official sources.
What’s on itWhat’s on the BCBA Exam? 6th Edition Content Areas (2026)
DifficultyHow Hard Is the BCBA Exam? Pass Rates and What They Mean (2026)
CostHow Much Does the BCBA Exam Cost? Application and Exam Fees (2026)
RequirementsBCBA Certification Requirements: Degree, Coursework, and Fieldwork (2026)
If you don’t passWhat Happens If You Fail the BCBA Exam? Retake Policy and Next Steps
Test dayWhat to Bring to the BCBA Exam: Test Day Rules and What to Expect
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Med Preps LLC is not affiliated with, endorsed by, or sponsored by Behavior Analyst Certification Board (BACB). BCBA is a trademark of the respective certifying organization. All trademarks are the property of their respective owners. All practice questions are original content created for exam preparation purposes.