Linked – How to Use the Feynman Technique to Identify Pseudoscience

“I finally figured out a way to test whether you have taught an idea or you have only taught a definition. Test it this way: You say, ‘Without using the new word which you have just learned, try to rephrase what you have just learned in your own language. Without using the word “energy,” tell me what you know now about the dog’s motion.’ You cannot. So you learned nothing about science. That may be all right. You may not want to learn something about science right away. You have to learn definitions. But for the very first lesson, is that not possibly destructive?

I think for lesson number one, to learn a mystic formula for answering questions is very bad. The book has some others: ‘gravity makes it fall;’ ‘the soles of your shoes wear out because of friction.’ Shoe leather wears out because it rubs against the sidewalk and the little notches and bumps on the sidewalk grab pieces and pull them off. To simply say it is because of friction, is sad, because it’s not science.”

Feynman’s parable about the meaning of science is a valuable way of testing ourselves on whether we have really learned something, or whether we just think we have learned something, but it is equally useful for testing the claims of others. If someone cannot explain something in plain English, then we should question whether they really do themselves understand what they profess. If the person in question is communicating ostensibly to a non-specialist audience using specialist terms out of context, the first question on our lips should be: “Why?” In the words of Feyman, “It is possible to follow form and call it science, but that is pseudoscience.””

teaching photo Feynman’s quote, in bold above, is something that we should really bear in mind as trainers. I realize that the article is about figuring out whether to believe people who use pseudoscience, as opposed to true science, but as a trainer, it’s important to recognize that simply knowing the terms and using them in class doesn’t really teach anyone. It’s important that we be able to explain the technology without resorting to industry slang.

In the end, you need to know how it works, and truly understand how it works, before you can teach it to someone else.

How to Use the Feynman Technique to Identify Pseudoscience

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