Users generally prefer designs that are fast and easy to use, but satisfaction isn't 100% correlated with objective usability metrics.| Nielsen Norman Group
Category and link labels should tell users what will happen when they click on them.| Nielsen Norman Group
Users expect 77% of the simpler Web design elements to behave in a certain way. Unfortunately, confusion reigns for many higher-level design issues.| Nielsen Norman Group
Measure people's attitudes toward a user interface by a controlled vocabulary test: give users the list of product reaction words and asks them to select those that best describe the design.| Nielsen Norman Group