Category Archives: Usability

Understanding the technology framework for building your product’s user interface

If you are designing the user interface for an application, you will likely begin with rough conceptual sketches, but at a certain point, in order to create detailed designs and high-fidelity prototypes, you will need to know what software framework … Continue reading

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An introduction to data models and UML class diagrams for user interface designers

In the previous post, we argued that the ability to read and interpret data model diagrams is an important skill for user interface designers working on business information systems or other applications that involve a lot of structured data. In … Continue reading

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How to write user personas

For each of your product’sĀ user segments, you will want to write up a brief description of those users in terms of their characteristics, general tasks, and usability requirements. One way to approach this task is to use personas, a modelling … Continue reading

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How to conduct user observation sessions

Watching real users use your product or prototype is really the only way to truly evaluate whether your design is sufficiently usable and learnable. User observation sessions quickly reveal where users have problems figuring out your product. Let’s take a … Continue reading

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How to recruit users for usability testing

To conduct effective usability tests, you need to find real users whom you can observe while they use your product. If you have a consumer product intended for sale to the general public, you’ll need to make sure that your … Continue reading

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What user interface designers need to know about how human memory works

Human memory is complex and a little mysterious. Unlike electronic data storage, human memory is not perfectly reliable and predictable. In this section, we’ll take a whirlwind tour of what we know about human memory, and then we’ll think about … Continue reading

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