Claudia Nass

Learn More
Mit neuen Technologien entstehen auch neue Interaktionskonzepte. Beispielsweise kann man eine Telefonnummer mittlerweile durch das Drehen einer Wählscheibe (wer erinnert sich noch?), dem Drücken der Tasten des Nummernblocks, aber auch mittels Touchdisplay, Sprachoder Gestensteuerung eingeben. Doch welche dieser Varianten ist die beste? Und wo genau liegen(More)
New devices expand design possibilities, but also lead to more challenges in the creation of interaction forms. This article introduces DESIGNi, a workbench that supports designers in exploring interaction forms and their attributes in a structured and systematic way. We present the components of DESIGNi and its use in creating a business application.(More)
Business contexts represent a big challenge for software development, specifically in terms of finding a balance between business goals and users' goals. This context determines the utility of an application, but good user experience (UX) with business applications is only achieved if the software supports the fulfillment of users' goals and needs. This(More)
The following paper deals with quality properties that extend the traditional understanding of usability with its focus on the pragmatic aspects like efficiency and effectiveness on task performance in the context of business applications. The contribution of the approach is tow folded. First: We show how psychological theories about motivation and(More)