Card Sorting
This method is really helpul subsequently to a brainstorming-type-of-method. After gathering lots of ideas some clustering is needed!
Category Test
5-Second Test
A quick and easy way of usability testing. The 5-second tests gets users initial impression of a product or design when they see it the first time.
AttrakDiff
AttrakDiff 2 is a questionnaire used for the evaluation of interactive products. While most questionnaires only evaluate practical usability, i.e. “pragmatic qualities”, AttrakDiff 2 also takes human need satisfaction of stimulation and identification, i.e. “hedonic qualities”, into account, as well as the overall attractiveness.
A/B Test
A/B Test is a quantitative test method to validate or falsify already existing hypotheses. It can be applied to test different versions (A and B) of a website, product, service or prototype by splitting the overall user group into subgroups.