How to create short forms of UEQ+ based questionnaires?

Abstract

The UEQ+ is a modular framework that can be used to set up UX questionnaires that fit to a research question. The UEQ+ consists of a set of UX scales that can be combined to form a concrete questionnaire. Thus, the product owner or UX researcher can define which aspects of UX are important for his or her project and should thus be measured in the questionnaire. A UEQ+ scale consists of 4 items that measure the UX aspect represented by the scale and an additional item that measures how important this UX aspect is for the overall UX impression. Some situations require that a UX questionnaire is extremely short and for such situations the standard scale format may be too time consuming. We describe how short forms of the UEQ+ can be built. The impact of shortening the scales on the results is investigated in several studies.