The average difference in measured usability between competing websites is 68%. This is smaller than expected, but makes sense given the dynamics of design within individual industries.| Nielsen Norman Group
Computing the net present value (NPV) lets you estimate the most profitable level of usability investment. For big projects, expensive usability can pay off.| Nielsen Norman Group
Better to accept a wider margin of error in usability metrics than to spend the entire budget learning too few things with extreme precision.| Nielsen Norman Group
3 methods for increasing UX quality by exploring and testing diverse design ideas work even better when you use them together.| Nielsen Norman Group
Measured usability improved by 44% compared to our last large-scale intranet study. The new research identified 5 times the previous number of intranet design guidelines.| Nielsen Norman Group