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"Five users will find 85% of the usability problems” - and other myths about usability testing

*** PLease notice exceptional time and place: ***

Wednesday, June 12


Auditorium 2(!), TEL, Ernst-Reuter-Platz 7, 20th floor


SPEAKER: Rolf Molich (DialogDesign, Denmark)


Usability testing is by far the most widely used usability method. Nonetheless, it’s often conducted with poor or unsystematic methodology and thus doesn't always live up to its full potential. This talk will present a number of controversial beliefs about usability testing and discuss if they are myths.


Rolf Molich owns and manages DialogDesign, a small Danish usability consultancy that he founded in 1993. Rolf conceived and coordinated the Comparative Usability Evaluation studies in which more than 100 professional usability teams tested or reviewed the same applications. Rolf was a principal investigator in the Nielsen Norman Group’s large-scale usability test of 20 US e-commerce websites, involving more than 60 users. He has worked with usability since 1984 and wrote the best-selling Danish book User Friendly Computer Systems, of which roughly 30,000 copies have been sold. The book is now available in English, with the title Usable Web Design. Rolf is also the co-inventor of the heuristic evaluation method (with Jakob Nielsen).

HOST: Lydia Kraus

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