It typically takes 15 to 20 minutes to complete.
Scoring for the TONI-4 is straightforward and provides a standardized "Index Score".
So if you find a website offering a free, full "TONI-4 test pdf" (with all items), it is almost certainly —and using it is both unethical and unreliable.
The TONI-4 measures abstract reasoning through two primary problem-solving strategies: