Step 1 · 15 min · required
Day 1 · Label the inputs
Take one live decision and label each important input by evidence state.
Prerequisite steps
- None
Guided · challenge
A free three-day challenge that turns one fuzzy decision into a documented, reviewable decision without requiring an account or submission.
0% of required steps complete
Not started. “Skipped” and “complete” are deliberately different states.
Step 1 · 15 min · required
Take one live decision and label each important input by evidence state.
Step 2 · 15 min · required
Choose the assumption with the highest downside if wrong and define how you could verify it.
Step 3 · 15 min · required
Make the decision for now and record what evidence would reopen it.
All three days are marked complete locally. Skipped is distinct from complete; not started remains unknown progress.
Completion is self-reported and browser-local. ICU does not certify mastery, attendance, safety, or institutional completion.