Usability muss sein.
Die Tests dazu auch.
Aber bitte richtig.
Wie und was man dabei beachten sollte erklärt dieser schöne Artikel hier:
In 1998, usability expert Rolf Molich (co-inventor with Jakob Nielsen of the heuristic evaluation method) gave nine teams three weeks to evaluate the webmail application www.hotmail.com. The experiment was part of his series of Comparative Usability Evaluations (CUEs), through which he began to identify a set of standards and best practices for usability tests. In each segment of the series, Molich asked several usability teams to evaluate a single design using the method of their choice.