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
The 10 most egregious UX offenses against users. Web design disasters and HTML horrors are legion, though many usability atrocities are less common than they used to be.| Nielsen Norman Group
Even the tiniest amount of empirical facts (say, observing 2 users) vastly improves the probability of making correct UI design decisions.| Nielsen Norman Group