CARD (Collaborative Analysis of Requirements and Design) is an influential technique for participatory design and participatory analysis that is in use on three continents. This paper reviews three case studies that document the development of a layered CARD approach, which distinguishes among the following: (1) observable, formal components, (2) skill and craft, and (3) interpretative description. The layered approach simplifies the CARD materials, and moves the deliberately informal technique toward a more principled analysis. Keywords CARD, participatory design, participatory analysis, work analysis, PANDA This report describes innovations in the CARD technique (Collaborative Analysis of Requirements and Design) at U S WEST, Microsoft, and mostly recently Lotus Development Corporation. Tudor discovered the CARD technique in 1992, and refined it into a well-understood practice in 1993 [16]. It became a macroscopic or "task-level" participatory design technique that could b...
Michael J. Muller