Why Do So Many People Fail the BCBA Exam?

March 18, 2026

Introduction

The BCBA (Board Certified Behavior Analyst) exam is a pivotal step for professionals looking to advance their careers in Applied Behavior Analysis (ABA). However, it’s no secret that a significant number of candidates fail the exam on their first attempt. This can be disheartening, especially for those who have dedicated time and effort to complete the necessary coursework and fieldwork hours. In this blog, we will explore why so many people fail the BCBA exam, identify common pitfalls, and offer strategies for successful preparation. Whether you are a parent, educator, or ABA professional in Maryland, Virginia, or North Carolina, this blog will provide valuable insights to help you prepare and succeed.


Understanding the BCBA Exam

What is the BCBA Exam?

The BCBA exam is a certification test that evaluates an individual's understanding of Applied Behavior Analysis principles and their ability to apply these principles in real-world scenarios.


The exam consists of 160 multiple-choice questions and covers areas such as:


  • Behavior assessment and intervention

  • Ethical guidelines and professional conduct

  • Research methods and data analysis

The exam is a requirement for anyone who wishes to become a certified behavior analyst, which is essential for working with individuals with autism and other developmental disorders.


The Importance of the BCBA Exam

Achieving BCBA certification is a significant milestone for professionals in ABA therapy. It provides credentials that validate their expertise, ensuring that they can work as licensed practitioners and supervise other ABA therapists. Passing the exam is critical for career advancement and better job opportunities in the field of ABA.


Why Do So Many People Fail the BCBA Exam?

While the BCBA exam is designed to assess critical knowledge and skills, many candidates face challenges that make passing the exam on their first attempt difficult. Let’s explore the common reasons why so many people fail the BCBA exam.


1. Inadequate Preparation and Study Time

One of the most common reasons for failing the BCBA exam is not dedicating enough time to prepare. Many candidates underestimate the amount of study time required for success.


  • Study Hours: The BCBA exam is comprehensive, covering multiple domains. To ensure success, candidates should allocate approximately 200-300 hours of focused study time. This study period includes reading textbooks, reviewing course materials, practicing sample questions, and taking mock exams.

  • Case Study: In our sessions with candidates, we’ve seen that some individuals, particularly those who are working full-time or juggling other responsibilities, often fail to manage their study time effectively. One candidate in Virginia mentioned that while they studied for the exam, they only dedicated around 100 hours, which led to their failure despite having a strong understanding of the material.

2. Not Understanding the Exam Format

The BCBA exam’s format is multiple-choice, which may seem straightforward, but it requires careful preparation. Many candidates struggle because they’re not accustomed to the format or fail to practice enough with sample exams.


  • Multiple-Choice Strategy: Each question on the BCBA exam is designed to test your understanding of ABA principles and your ability to apply them in realistic scenarios. Incorrect answers are often subtle, requiring candidates to pay close attention to details. Candidates who don’t practice with multiple-choice questions may struggle to recognize the nuances in the phrasing of questions or become distracted by tricky answer choices.

  • Example: A recent candidate from North Carolina shared that they had spent most of their time reviewing textbooks but had not done enough practice tests. When they finally took the exam, they found themselves second-guessing their answers, leading to unnecessary mistakes.

3. Failing to Focus on Ethical Guidelines

Ethical guidelines make up a significant portion of the BCBA exam. Many candidates fail to grasp the importance of understanding ethical practices, leading them to answer questions incorrectly in this area. This can be especially challenging because ethical scenarios can be nuanced.


  • Ethical Dilemmas: The exam tests your ability to apply the BACB’s Professional and Ethical Compliance Code in real-life situations. Candidates often fail when they are unclear about the code or neglect to focus on ethical guidelines in their study plan.

  • Case Study: We’ve seen that candidates from Maryland, particularly those without prior experience in supervisory roles, often struggle with the ethical decision-making questions. One candidate admitted that while they were strong in other areas of ABA, they found the ethical guidelines difficult to internalize, which contributed to their failure.

4. Lack of Familiarity with the Task List and Content Areas

The BCBA exam is based on the BACB’s task list, which outlines the knowledge and skills required for certification. Many candidates fail because they aren’t familiar with the task list and don’t focus their study on the appropriate content areas.


  • Task List Review: The task list is divided into several key areas, such as behavior assessment, intervention strategies, research methods, and professional conduct. Candidates must ensure that they are well-versed in each area, as the exam will test their knowledge in all these domains.

  • Example: A candidate from Virginia shared that they had spent much of their time studying behavior interventions but neglected to focus enough on data collection and research methods. They found that these areas were heavily represented on the exam, leading to their failure.

How to Increase Your Chances of Passing the BCBA Exam

1. Create a Structured Study Plan

To pass the BCBA exam, you need a structured study plan.


Here’s how to structure your study sessions:


  • Start Early: Begin preparing for the exam at least 3-4 months before the test date. Allocate specific hours each week to study and stick to your schedule.

  • Review the Task List: Familiarize yourself with the BACB task list, ensuring that you cover all areas, including those that are less familiar or more difficult.

  • Practice, Practice, Practice: Take practice exams regularly to get accustomed to the question format and identify weak areas. Reviewing your mistakes is just as important as practicing correct answers.

2. Focus on Ethical Guidelines

Make sure that you allocate ample study time to ethical considerations. Review the BACB’s Professional and Ethical Compliance Code thoroughly, as many questions will focus on applying this code in practice.


  • Tip: Focus on understanding the core ethical principles, such as confidentiality, informed consent, and professional boundaries. Ethical questions often require applying these principles in realistic scenarios, so having a deep understanding of the guidelines is essential.

3. Take Mock Exams and Use Study Groups

Taking mock exams is one of the best ways to prepare for the BCBA exam. Mock exams allow you to get a sense of the real exam and practice time management. Additionally, study groups can help reinforce your understanding of complex topics.



  • Tip: Join a study group or an online forum with others preparing for the BCBA exam. Engaging in discussions and explaining difficult concepts to others can deepen your understanding of the material.

4. Understand the Exam’s Pacing

The BCBA exam is time-limited (4 hours), so it’s important to practice pacing yourself. Learn to answer questions efficiently while maintaining accuracy, and avoid spending too much time on any one question.


Conclusion

While the BCBA exam is challenging, understanding the reasons why so many candidates fail can help you avoid common pitfalls. Adequate preparation, a structured study plan, focus on ethical guidelines, and familiarity with the exam’s format are all critical to passing the exam. By dedicating sufficient study hours, practicing regularly, and seeking additional support when needed, you can significantly improve your chances of success.


For those in Maryland, Virginia, and North Carolina who are preparing for the BCBA exam, it’s important to approach the exam with a clear plan and realistic expectations. With the right preparation, persistence, and focus, you can pass the BCBA exam and advance in your career as a behavior analyst, helping individuals with autism and related conditions lead better, more independent lives.


Divine Steps ABA provides high‑quality, compassionate ABA therapy in Maryland, Virginia, and North Carolina, giving future and current behavior analysts a supportive, ethical, and growth‑oriented setting to apply their skills.


Learn more about our services, career opportunities, and how we help children with autism thrive.  Contact us today!



Frequently Asked Questions


  • How many hours should I study for the BCBA exam?

    Most candidates spend between 200-300 hours preparing for the BCBA exam. This includes reading textbooks, practicing exam questions, and reviewing all areas of the task list.


  • What is the most difficult part of the BCBA exam?

    Many candidates find the ethical guidelines section the most difficult, as it involves applying complex ethical principles to real-life scenarios.


  • Can I retake the BCBA exam if I fail?

    Yes, you can retake the BCBA exam if you fail. You must wait at least 45 days between attempts and may need to pay a re-examination fee.


SOURCES:


https://www.bacb.com/wp-content/uploads/2022/05/BACB-Compliance-Code-10-8-15watermark.pdf


https://pmc.ncbi.nlm.nih.gov/articles/PMC10891010/


https://www.oregon.gov/oha/PH/HLO/Board%20Meeting%20Documents/BARB/2022/BARB-Board_Meeting_Documents-01-21-2022-Part%202.pdf


https://psycnet.apa.org/record/2022-91469-001


https://resources.nu.edu/c.php?g=1436310&p=10664307

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