June 2011
Intermediate to advanced
344 pages
8h 35m
English
Content preview from Designed for Use
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Chapter 14Fitts’s Law
Usability has very few universally accepted laws. Fitts’s law is one of these few. It basically states that people can hit a target more quickly if the target is bigger or closer to the user’s mouse cursor (on a desktop system). The target could be a screen icon users are trying to click with a mouse cursor or a button they are trying to tap on a touch screen.
The direction of the motion matters. The target object’s size should correspond to the direction of the motion:
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.