Extinction is a fundamental concept in applied behavior analysis (ABA) and one of the most frequently tested behavior-reduction procedures on the BCBA® exam. Many ABA students and BCBA candidates know that this procedure involves discontinuing reinforcement, but struggle to explain how it works, why behavior may worsen at first, or how it differs from punishment […]
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Expressive communication is a core skill area in applied behavior analysis (ABA) and a frequent focus of assessment, goal writing, and intervention planning. Many ABA students and BCBA® candidates know it involves a learner producing a message, but feel unsure what counts as expressive language, how it differs from receptive skills, or how it is
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In the testing room, SD ABA can feel like a “blink-and-you-miss-it” detail: a tiny cue that changes the whole answer. I still remember reviewing mock exams late at night and realizing I was labeling prompts and motivating operations as SDs because the scenarios “felt” similar. Once you learn what SD ABA actually signals (and what it does not), your accuracy on stimulus control, sk
Evidence-Based Practice (EBP) in ABA Explained Evidence-based practice (EBP) is a foundational concept in applied behavior analysis (ABA) and a topic that appears frequently on the BCBA® exam. Many students can recite the definition of EBP but struggle to explain what it actually means in practice, how it guides clinical decision-making, or how it is
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Behaviour contracts are a commonly used intervention in applied behavior analysis (ABA), especially with older children, adolescents, and adults. Many ABA students and BCBA® candidates understand that behaviour contracts involve agreements and rewards, but feel unsure about how they actually work, when they are appropriate, or how they differ from simple reinforcement systems. This practical
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Chaining is a fundamental teaching strategy in applied behaviour analysis (ABA). It is commonly used to teach complex skills that consist of multiple steps, such as self-care routines, academic tasks, or vocational skills. Many ABA students and BCBA® candidates understand the general idea of breaking tasks into steps but feel unsure about how chaining works
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Errorless learning is a common teaching strategy in applied behavior analysis (ABA), and it appears regularly on the BCBA® exam. Many candidates understand the general idea but struggle to explain how error-free learning works, when to use it, or how it differs from trial-and-error learning. On the exam, these details matter. This article explains error-free
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Experimental design is one of the most heavily tested and most confusing topics on the BCBA® exam. Many candidates can name different designs but struggle to identify them in exam questions, explain why a design demonstrates experimental control, or choose the best design for a given clinical situation. This guide explains experimental design for the
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Short answer: The BCBA exam passing score is 400 on a scaled score range of 0–500. It is not a simple percentage — the BACB converts your raw answers into a scaled score, and you need 400 or higher to pass. The 6th edition exam has 185 questions (175 scored + 10 unscored pilot items).
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By BCBA Mock Exam Extinction is one of the most tested—and most misunderstood—concepts in ABA. Many people think extinction means “ignoring,” “being mean,” or “letting behavior happen.” In applied behavior analysis, extinction has a precise meaning tied to why the behavior is happening. This guide explains extinction in ABA using simple language, everyday examples, and
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