Mark every hesitation and vague word while writing…
When attempting to write an explanation of something you believe you understand, mark every sentence where you hesitate, use vague language, or skip a step as diagnostic evidence of incomplete understanding.
When This Fires
- Studying a topic and wanting to verify genuine understanding before moving on
- Preparing to teach, present, or explain something to others
- Writing documentation for a system you built or work with
- Any time you suspect your understanding is more superficial than it feels
Common Failure Mode
Marking the hesitation points and then ignoring them. The diagnostic only produces value if you treat each mark as a specific learning assignment: "I hesitated here, which means I don't understand this mechanism well enough to explain it." Without follow-up, you've identified gaps but left them open. The marks should become a study plan, not just annotations.
The Protocol
(1) Choose a topic you believe you understand. (2) Write an explanation from memory, aimed at someone with zero background. No looking things up. (3) As you write, mark every hesitation with [H], every vague word ("basically," "kind of") with [V], and every skipped step with [S]. (4) When done, count your marks — that's the distance between what you thought you understood and what you actually understand. (5) Each [H], [V], and [S] is a specific learning target. Research and fill those gaps, then rewrite the explanation without marks.