Danish: Preference test eller præference test er når du viser et publikum eksempelvis 2 forskellige websider og beder dem om at indikere, hvilken de synes bedst om.

Du kan se et eksempel her

English: Preference testing is when two images/wireframes/screenshots are shown side by side, and users can make a choice on which one they prefer based on the test criteria that you set for them – generally along the lines of a ‘which design do you prefer’ kind of basis.

See an example here

Preference testing is really useful for testing a range of different things: it can help you to better understand conventions in design, for looking at preferences across cultures, for understanding how small differences can affect your users and so on.