A test or decision has four outcomes: true positive (correctly say "yes" when the state is yes), true negative (correctly say "no" when the state is no), false positive (say "yes"...
The core idea
A test or decision has four outcomes: true positive (correctly say "yes" when the state is yes), true negative (correctly say "no" when the state is no), false positive (say "yes"...
Connected
5 Whys
why five times to find the systemic root cause.
All Models Are Wrong
model simplifies reality; the question is whether it is useful.
Amara's Law
technology short-term, underestimate it long-term.
Eisenhower Decision Matrix
tasks by urgency and importance to focus on what truly matters.
First Principles Thinking
a problem to its fundamental truths and reason up from there — the antidote to r
Goodhart's Law
a measure becomes a target, it ceases to be a good measure.