Proper motivation is the key to getting good work done, but how can you best understand how to motivate yourself and your colleagues to succeed?

Turns out, it’s all about rules.

In this video, bestselling author Gretchen Rubin explains how she divides the world into four different types of people based on how they respond to the idea of a rule. By identifying which category your colleagues fall into, you’ll be able to give them the right kind of motivation to help them succeed—and by understanding where you fall, you’ll be more likely to succeed in developing the “rules,” or habits, you want in your own life.