Study Notes

Traps, misconceptions, and the reasoning the exam actually rewards

Short breakdowns of the specific misconceptions that trip up well-prepared BCBA candidates — and how to catch yourself before you fall for them on exam day.

Behavior-Change Procedures
Fixed-Time vs. Fixed-Interval: The One Difference That Changes Everything

Both involve time. Both can deliver the same reinforcer. One question separates FT from FI — and it's not the clock.

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Behaviorism
ABA, EAB, Behaviorism, and Professional Practice: How to Tell Them Apart

Only 43% of candidates get this one right, and only 30% get this one. Both test the same skill: telling behaviorism, EAB, ABA, and professional practice apart by what the activity is for, not what it looks like.

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Basic Principles
An Antecedent Is Not Automatically an SD: Value vs. Availability on the BCBA Exam

Both MOs and SDs can occur right before behavior and make responding go up — which is exactly why "the response increased when X appeared" isn't enough. Here's the value-vs-availability distinction that actually separates them.

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Behavior-Change Procedures
Extinction Burst Is Not a Catch-All Term: Four Extinction Effects You Need to Stop Mixing Up

Burst, variability, resurgence, spontaneous recovery — all four can follow extinction, and they're not the same thing. Here's how to reconstruct the contingency history instead of reaching for the first familiar word.

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Behavior-Change Procedures
The "Best" Question Is the Worst Question: How to Beat the BCBA Exam's Best-Answer Trap

Every option is real, defensible, and backed by evidence — and three of them are still wrong. Here's how to weigh function, safety, history, and feasibility at once instead of freezing.

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Behavior-Change Procedures
Right Procedure, Wrong Function: The BCBA Exam's Favorite Intervention Trap

Every option in this classic trap describes a real ABA procedure. Only one actually matches the function the assessment confirmed — and catching the difference is the whole skill being tested.

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Behaviorism
Methodological vs. Radical Behaviorism: The Exam Trap Everyone Falls For

Radical and methodological behaviorism both accept that private events are real. That's exactly what makes them so easy to confuse — and why one careful-sounding requirement gives the wrong answer away.

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Scientific Goals
Why "That Sounds More Scientific" Is the Wrong Instinct on the BCBA Exam

You've probably missed this question before — not because you didn't know the four scientific goals, but because your brain reached for the answer that sounded more sophisticated instead of the one the evidence actually supported.

4 min read Read the article →