Step 1 · 15 min · required
Where certainty should stop
Recognize when an interface or plan should say that it does not know.
Prerequisite steps
- None
Guided · course
A four-module beginner course for separating what is known, chosen, assumed, and unknown before making a real decision.
0% of required steps complete
Not started. “Skipped” and “complete” are deliberately different states.
Step 1 · 15 min · required
Recognize when an interface or plan should say that it does not know.
Step 2 · 30 min · required
Separate known, chosen, assumed, and unknown inputs.
Step 3 · 15 min · required
Trace how a number changes when evidence state changes.
Step 4 · 30 min · required
Use the field-notes release to document one current decision without inventing missing facts.
A private decision log identifies at least one known input, one choice or assumption, one unknown, and a review trigger. ICU does not collect or grade the log.
Completion is self-reported and browser-local. ICU does not certify mastery, attendance, safety, or institutional completion.