Usability design is to improve the usability of a product, which is an important part to guide the actual design. It can also be regarded as an "user-centered design”. Thus, It includes two important parts, namely, usability testing that is based on the target users psychological research (user model, user needs, the use of processes, etc.) . The other is to combine the Cognitive Psychology, Ergonomics, Industry Psychology and other disciplines of basic principles are agilely used in the design behavior. Here are Jakob Nielsen’s 10 principles: 1. What is usability? Usability is a measure about a product that been used in a specific scenario by specific users, which can achieve the special goal in a satisfied and effective degree. First, usability is not only related to the interface design, but also involved in the technical level of the entire system. Second, usability is reflected by human factors, and evaluated by operating a variety of tasks. T...
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