February 2018
Intermediate to advanced
348 pages
9h 48m
English
Content preview from Fixing Bad UX Designs
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SUS (System Usability Scale)
Usability is hard to measure—or at least quantitatively. A usability test with actual users of the product can quickly point you to tasks where people are having more difficulty in your product, but it still cannot indicate how big the usability problem is, on a numerical scale.
This is where numerical scales of usability come in, such as the SUS, the SUMI (Software Usability Measurement Inventory), the SUIZ-Q (Standardized User Experience Percentile Rank Questionnaire), and QUIS (Questionnaire for User Interaction Satisfaction)—among others.
But let's focus on the system usability scale: one of the best known and simplest methods of ascertaining the usability level of a system. The popularity of the method is ...
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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.