Discusses the design of computer applications, focusing on understanding design representations--what makes design representations work, and how, in different contexts. Examines the place of various types of representation (e.g., formal notations, models, prototypes, scenarios, and mock-ups) in design and the role of formalisms and representations…

The research reported in this article provides descriptions of design activities and of the evolving designs of expert procedural and expert object-oriented (OO) designers and for novice OO designers with extensive procedural experience. Analysis of procedural and OO designers, in terms of their cognitive activities, design strategies, and final…