6th Edition TCO
Baseline
Baseline helps you get ready for the BCBA exam. Practice original questions, review with cards, drill the calculations, and sit three full-length mocks before test day.
547 original items · three 175-item mocks · independent of the BACB
What you get
Tools for every part of prep.
Original scenario items
A growing bank mapped to every 6th Edition TCO task. Each item explains the key and why the other options look right.
Three full-length mocks
Form 1, 2, and 3 are unique 175-item exams with the real domain mix, a four-hour clock, flag/skip/review, and a 10-minute break.
Calculation lab
IOA, rate, IRT, and other measurement items you cannot fake from a flashcard. Check your work against the formula.
Cards, SAFMEDS, and glossary
High-yield terms, 1-minute fluency timings, and a searchable glossary with the usual traps called out.
Ethics cases and graphs
Scenario packs for Domain E, plus original reversal, multiple-baseline, and changing-criterion figures.
A week plan that follows you
Exam date, weak domains, and misses become this week’s moves. Progress syncs to your account, not just this browser.
Monthly plans
Start free. Move up when you want the full bank, the lab, and timed forms. Billed monthly; cancel anytime.
Free
$0per month
Trying the desk and covering the outline for the first time.
- Daily mixed 10-item drills
- Domain guides and glossary
- Progress syncs to your account
Study
$19per month
Building fluency across the nine domains before you sit a long form.
- Full original item bank
- Flashcards, SAFMEDS, and known/unknown tracking
- Calculation lab (IOA, rate, IRT)
- Ethics cases and visual-analysis graphs
- 25-item and 50-item timed sets
- Miss log, week plan, and task-list checklist
Exam
Most complete$39per month
The last stretch: full sittings under a four-hour clock.
- Everything in Study
- Three 175-item full mocks with flag, skip, and review
- TCO-weighted mix, 4-hour timer, and a 10-minute break
- Form trend and domain breakdown after you submit
- Exam-date countdown on the home desk
Independent study tool for the 6th Edition TCO. Not affiliated with the BACB. Cancel anytime.
Ready to study?
Sign in to open your desk, then start a drill or a full mock.