When my students in my graduate design theory course have to do interviews with practicing designers (combined in this year's class, about 100 interviews), one thing keeps surfacing. In many cases, especially from more experienced designers, they mention the changing nature of design arguments. This is not unknown, but it is interesting to see that it is mentioned as a serious change in their practice. The change of design arguments can be simply characterized as a shift from a ' show and tell ' model to a ' show and explain ' model. The show-and-tell model basically means that the designer shows the design itself (idea, prototype, etc) with its functionality, looks, etc. The show-and explain model means that the designer also engages in explaining how they came up with the design, what the process looked like, and what testing and evaluation they have done that shows the quality of the design. This is pushing many designers to be much more careful with their pr
Interaction Design, HCI, Philosophy of Design, Technology and Society