Lesson 6: Get the Data

In order to make good decisions, we cannot simply depend on rationality or our intellectual gifts. Just as dangerous as operational mistakes are structural mistakes. A bad process will spell disaster just as quickly as a mistake in a good process. After all, as much as people enjoy using hindsight to validate or condemn decisions, good decision-making is determined by the process, not by the result. McNamara certainly believes that in order to make good decisions, one must get the data.

McNamara uses his time at Ford Motor Company to prove his point. He discovered that 40,000 people died in car accidents every year, most of whom died not as a result of the impact, but from being thrown into the steering wheel. The egg carton inspired him to think about packaging, which led to all sorts of tests, and eventually, the seat belt. Thanks to McNamara and Ford’s research, some 250,000 lives have been saved.

This is an idea easy to relate to foreign policy. Continue reading