Studies show that introducing game-like elements—such as rewards, milestones, and visuals—boosts motivation and engagement.

Each Saturday, Opinion columnist Philip Bump makes and breaks down charts explaining the latest in economics, pop culture, politics and more. “Imagine a pie chart that shows Visuals at 42 ...

The whole pie chart represents 100% of something. Back to top Activity: How to read pie charts Complete this interactive activity to understand how to read and understand the information in pie ...

The whole pie chart represents 100% of something. Back to top Activity: How to read pie charts Complete this interactive activity to understand how to read and understand the information in pie ...