When planning user research studies, there are four fundamental principles from psychology that user researchers must know. These are: your users do not think like you think; your users donít have good insight into the reasons for their behaviour; the best predictor of your usersí future behaviour is their past behaviour; and your usersí behaviour depends on context.
Visual design is often dismissed as eye candy. In fact, we can use four key principles of visual design to create more usable interfaces. These principles are Contrast, Repetition, Alignment and Proximity.
Ideally, you'll design your system to prevent errors from occurring in the first place. But no matter how simple your system, someone, somewhere, will make an error when using it. The difference between a great user experience and an awful one is what your system does next.
Although designing usable systems requires far more than simply applying guidelines, guidelines can still make a significant contribution to usability by promoting consistency and good practice. We use this list of guidelines in our consultancy work. For best results, remember to interpret the guideline in context — this requires a bit more thought but ensures you will get a lot more from your review. You can also download the guidelines as an Excel workbook.
With consumer budgets tightening, retailers need to fix every potential leak in their e-commerce site. Many sites lose customers during the series of screens that appear after the customer clicks the checkout button. We've observed hundreds of e-commerce sessions in our usability labs and the best performing sites demonstrate these 9 features.
It's easy to get caught up in the promise of new technologies and lose sight of the fundamental issues that make a product successful. By listening to the questions venture capitalists pose when reviewing new products we can develop a checklist to assess the viability of a new product idea.
Rather than create yet another definition of usability, we decided to take a different approach and work through the alphabet, picking one word for each letter to capture the flavour of the field. So we proudly present the A-Z of usability or usability in 26 words.
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