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 co-founder explains the different types of validity in ABA.
Refer to BCBA® Task List (5th ed.) Section D-2: Distinguish between internal and external validity.
Experimental Validity: The Relationship between Behavior Change & Independent Variables Read More
Test your knowledge with PTB co-founder Dana Meller as she explains the specific indicator of trustworthy measurement that corresponds with repeated measurement yielding the same result. Included is a description of all three indicators of trustworthy measurement validity, accuracy, and reliability.
Refer to BCBA® Task List (5th ed.) Section C-8: Evaluate the validity and reliability of measurement procedures.
Test your ABA Terminology ➠ Indicators of Trustworthy Measurement Read More
Test your knowledge of ABA graphs with PTB co-founder Dana Meller as she reviews a BCBA® mock exam question about equal-interval graphs, exploring their unique properties. Included, Dana explains the concept of proportional values and highlights the graph(s) which operate on a logarithmic scale, offering a different perspective on changes in behavior.
Refer to BCBA® Task List (5th ed.) Sections C-10: Graph data to communicate relevant quantitative relations (e.g., equal-interval graphs, bar graphs, cumulative records); C-11: Interpret graphed data.
At all costs, avoid multiple relationships.
Refer to BACB® | Ethics Code for Behavior Analysts | Section 1.11: Multiple Relationships
Test Your ABA Ethics Terminology ➠ Multiple Relationships Read More
Test your knowledge of measurement confounds with PTB co-founder Dana Meller as she discusses one of the four types of threats to internal validity, with corresponding examples.
Refer to BCBA® Task List (5th ed.) Section C-8: Evaluate the validity and reliability of measurement procedures.
Test your ABA Terminology ➠ Confounding Threats to Internal Validity Read More
Sharpen your measurement skills with PTB co-founder Dana Meller as she reviews a BCBA® mock exam question about IOA and helps explain the different formulas used for time sampling measurements. Dana covers four IOA formulas: Interval-by-Interval, Scored Interval, Trial-by-Tial, and Unscored Interval; and highlights key considerations and pitfalls associated with each.
BCBA® Task List (5th ed.) Section C-8: Evaluate the validity and reliability of measurement procedures.
Test your knowledge of differential reinforcement with PTB founder Dana Meller as she discusses the specific DR procedure to provide the client with reinforcement for exhibiting higher rates of the target behavior(s) that already exist in their repertoire. Additionally, Dana draws parallels to personal experiences and highlights skill areas for which clients could benefit from this SR schedule.
Level Up Your Understanding of Differential Reinforcement Procedures Read More
Test your ability to interpret graphed data with PTB co-founder Dana Meller. Here she explains the three fundamental properties of behavior change, focusing on one specific property akin to an average or median. Included are descriptions of level, trend, variability, and the y-axis.
Refer to BCBA® Task List (5th ed.) Section C-11: Interpret graphed data.
Test your ABA Terminology ➠ Fundamental Properties of Behavior Change Read More
Test your measurement knowledge with PTB co-founder Dana Meller as she reviews a BCBA® mock exam question about the key indicators of trustworthy measurement, revealing the most significant threat facing accuracy and reliability. Dana provides insight into the distinctions between reliability, validity, and accuracy and how they relate to measurement.
BCBA® Task List (5th ed.) Section C-8: Evaluate the validity and reliability of measurement procedures.
Breaking Down a BCBA® Mock Exam Question: The #1 Threat to Accuracy and Reliability Read More
Test your understanding of negative reinforcement with PTB founder Dana Meller as she discusses the two specific types and details and nuances using relatable examples that significantly impact our everyday lives.
Test your ABA Terminology ➠ Explore the 2 Types of Negative Reinforcement Read More