“Variable Analysis 1. Define the problem. a. What problem are you trying to solve? b. Determine the primary variable • Closely inspect the point of failure or failed output • What measurable property do you want to change? • Is… — Nat Greene Copy Share Image
“If you believe that success is inevitable, you’re less likely to work your tail off in order to achieve it. Hard problems are definitely… — Nat Greene Copy Share Image
“To solve truly hard problems, you’ll need to use a method that doesn’t involve guessing in any step.” — Nat Greene Copy Share Image
“Defining the acceptable and unacceptable ranges for this variable means that the problem definition is objective and immune to opinion.” — Nat Greene Copy Share Image
“Embrace your ignorance. Most people try to solve problems using the knowledge they already have about a process, but it’s what you don’t know… — Nat Greene Copy Share Image
“When a system isn’t working right, someone has to understand how it’s meant to work, at the right depth, in order to fix it.… — Nat Greene Copy Share Image
“When you move down your tree, keep in mind there may be multiple variables contributing to the failure.” — Nat Greene Copy Share Image
“There are in fact two things, science and opinion; the former begets knowledge, the latter ignorance. —HIPPOCRATES, ANCIENT GREEK FOUNDER OF THE SCIENCE OF… — Nat Greene Copy Share Image
“We need to understand what variables most directly control our primary variable by understanding the science behind how the system works.” — Nat Greene Copy Share Image
“Perhaps many aid organizations make assumptions about the problem they are solving, and throw hundreds of billions of dollars at the problem to little… — Nat Greene Copy Share Image
“The last major risk to getting good facts is our own prejudices. While we may not always test a solution based on our opinions… — Nat Greene Copy Share Image
“most methods disguise the guessing stage in some fancy language, such as “determine possible root causes.” This is making a list of guesses, and… — Nat Greene Copy Share Image
“Perhaps the most useful approach for defining the problem well is structuring it as a measurable variable.” — Nat Greene Copy Share Image
