Journal

Decision Discipline

2 posts tagged “Decision Discipline”

The Ladder Where Only Proof Buys a Rung

A confidence ladder for project readiness with one rule: only a proof action buys a rung, a document does not. How to stop mistaking preparation for position.

2026-07-08 · 6 min read · Teh Kim Guan, ACMA, CGMA

AI Evaluation

Why I Did Not Switch to the Model That Scored Higher

A newer AI model beat my baseline on aggregate score. I kept the old one. Gated dimensions beat weighted averages when some failures are unrecoverable.

2026-07-06 · 6 min read · Teh Kim Guan, ACMA, CGMA