BxLog is PTB’s exam prep blog, edited and curated by veteran ABA professionals with a mission to provide candidates helpful tools and guidance along their BCBA® exam prep journey. Explore short videos and articles containing valuable information including explanations of Test Content Outline concepts and ABA terminology, study tips, mock exam questions with answer breakdowns, and lifestyle advice to maintain a healthy exam prep regimen.
PTB founder Dana Meller answers a follower request for an explanation around a mock question posted on social about the impact of an incomplete operational definition on trustworthy measurement.
Dana Do’s: Breaking Down a BCBA®/BCaBA® Mock Exam Question About Operational Definitions Read More
Preparing for the BCBA® exam can feel overwhelming, but expert guidance can make all the difference. Dana Meller, founder of Pass the Big ABA Exam, and Dr. Stephen Eversole, founder of Behavior Development Solutions, share decades of exam prep insights. Their discussion covers essential strategies for success—not just to pass the exam, but to become a skilled and ethical behavior analyst.
ABA has multiple types of validity—internal, external, social, and measurement validity—but how do you keep them straight? PTB founder Dana Meller can help.
Dana Do’s: Understanding All the Types of Validity in ABA Read More
How do we ensure the data we collect is truly reliable? PTB founder Dana Meller (MA, BCBA) breaks down the importance of accuracy assessments and shares four key reasons why they’re crucial.
Dana Do’s: Four Reasons for Conducting Accuracy Assessments Read More
Interpreting graphed data is an important skill to have, for the BCBA® exam and beyond. A fundamental part of this is the level line. PTB founder Dana Meller breaks down both methods for establishing a level line and when to use them.
Dana Do’s: Mean or Median? Choosing the Right Level Line to Interpret Graph Data Read More
Not all BCBA® exam prep is equal—quality matters. Check out PTB’s free, reliable study materials, mock questions, and guides to help you Pass the Big ABA Exam.
Access Free BCBA®/BCaBA® Exam Prep Resources Read More
If you’re looking for data on how long a behavior occurs, duration is the name of the game. However, as PTB founder Dana Meller explains, there are two methods for ensuring and reporting duration that future BCBA®s need to know.
Dana Do’s: Two Procedures for Calculating Duration Read More
PTB founder Dana Meller follows up on Name That Term definition to explain the difference between hypothetical constructs and explanatory fictions.
Dana Do’s: What’s the Difference Between Hypothetical Constructs and Explanatory Fictions? Read More
Being able to discriminate good operational definitions is essential, especially when it comes to correctly answering exam questions. PTB founder Dana Meller breaks down the three characteristics of operational definitions and shares a handy acronym to help make it more memorable.
Dana Do’s: Three Characteristics of Operational Definitions Read More
PTB founder Dana Meller makes it simple with an explainer on the types of simple discriminations and important differences to keep in mind.
Dana Do’s: A Simple Explanation on the Different Types of Simple Discriminations Read More