3 tasks · about 3 minutes · nothing saved
Calibration Check
No AI here, and no grade. The point is the distance between your estimate and the actual number — and how easily that distance appears.
Before you start
Answer honestly, not carefully.
Three short tasks. Each one asks for a gut estimate first, then shows you the reality. If you game it by overthinking the estimates, you’ll break the only thing it’s trying to show you. Go with your first instinct.