A fundamental objective of human–computer interaction research is to make systems more
usable, more useful, and to provide users with experiences fitting their specific background …

End-user development (EUD) activities range from customization to component configuration
and programming. Office software, such as the ubiquitous spreadsheet, provides …

Complex design problems often cannot be solved by individuals or by homogenous groups.
Communities of interest (CoIs)(defined by their collective concern with the resolution of a …

The present paper consists of a theoretical and an empirical part: First Rasch's test model for
items with two answer categories is considered under the assumption of linear constraints …

Complex design problems require more knowledge than any single person possesses
because the knowledge relevant to a problem is usually distributed among stakeholders. …

In a world that is not predictable, improvisation, evolution, and innovation are more than a
luxury: they are a necessity. The challenge of design is not a matter of getting rid of the …

The power of the unaided individual mind is highly overrated. Although society often thinks
of creative individuals as working in isolation, intelligence and creativity result in large part …

Learning can no longer be dichotomized into a place and time to acquire knowledge (school)
and a place and time to apply knowledge (the workplace). Today's citizens are flooded …

This article explores the implications of a design perspective for knowledge management (KM).
We examine the major problems which our approach must address, the promises it offers…

Publisher Summary This chapter begins with the history of the Rasch models (RM) and also
discusses some basic concepts and properties of the RM. According to Georg Rasch, the …