From the course: Interaction Design for the Web
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Fitts’ Law
- When we create interfaces, we're making a set of controls for people to interact with. Even though they're digital rather than physical, there are still some physical constraints we need to bear in mind. One of those constraints is how the design of something makes it easier or harder to click on. I'm going to start by giving you an example from web-based email clients. What's the difference between how these two email clients implement the button for writing a new email? In case you missed them, here are the buttons. Which system makes it easier for users to write a new message? Based on just the button size alone, we can probably say it's the one on the left. How can we be so sure? Well, it's all about Fitts' law. Fitts' law states that it's faster to hit large targets that are closer to you than it is to hit smaller targets which are further away from you. Now you're thinking that it should be easy enough to go off and find another equally apparent statement and make a law about…
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