Why More Information Leads to Faster, Rougher Decisions | ETTO Principle Efficiency Thoroughness Ch.2-3 SAFETY MANAGEMENT · CHAPTER 2 · PART 3/5 Why More Information Leads to Faster, Rougher Decisions Chapter 2-3 · Information Pull and Push · Descriptive Decision…
ETTO Is Not an Excuse for Trade-Offs — It Is the Operating Logic of Survival | ETTO Principle Efficiency Thoroughness Ch.2-2 SAFETY MANAGEMENT · CHAPTER 2 · PART 2/5 ETTO Is Not an Excuse for Trade-Offs — It Is the…
Why the Rational Human Model Fails to Explain the Field | ETTO Principle Efficiency Thoroughness Ch.2-1 SAFETY MANAGEMENT · CHAPTER 2 · PART 1/5 Why the Rational Human Model Fails to Explain the Field Chapter 2-1 · The Rational Human…
Why Success and Failure Share the Same Root | ETTO Principle Efficiency Thoroughness Ch.1-4 SAFETY MANAGEMENT · CHAPTER 1 · PART 4/4 Why Success and Failure Share the Same Root Chapter 1-4 · The ETTO Principle in Practice · Changing…
VIBE CODING · SAFETY TECH · Field Practice Safety Manager’s Vibe Coding: Field Experience Became Code How a non-coder HSE professional built a near-miss reporting system using AI-assisted development I don’t know how to code. I can’t explain what React…
Why We Need Simple Explanations and the ETTO Trade-Off | ETTO Principle Ch.1-3 SAFETY MANAGEMENT · CHAPTER 1 · PART 3/4 Why We Need Simple Explanations — and the ETTO Trade-Off Chapter 1-3 · A Need for Simple Explanations ·…
Why We Stop at the First Explanation | ETTO Principle Incident Investigation Ch.1-2 SAFETY MANAGEMENT · CHAPTER 1 · PART 2/4 Why We Stop at the First Explanation Chapter 1-2 · A Need for Certainty · The Stop Rule Where…
Why We Still Need to Understand “Why Things Fail” | ETTO Principle Ch.1-1 SAFETY MANAGEMENT · CHAPTER 1 · PART 1/4 Why We Still Need to Understand “Why Things Fail” Chapter 1-1 · Safety Requires Knowledge To genuinely apply the…
SAFETY MANAGEMENT · OVERVIEW Rethinking Safety Management Through the ETTO Principle Why “Well-Running Systems” Fail Without Warning — and What to Change First on the Floor The ETTO Principle (Efficiency-Thoroughness Trade-Off), introduced by Erik Hollnagel in 2009, frames every operational…
