The user groups and the topic are more focused now. They are “Property Developers and City Council Urban Designersâ€ and as such a well-defined set. The paper’s purpose is “to discuss the development of a robust testing methodology, which will quantify the benefits or otherwise of 3D information display over comparative 2D methodsâ€. The selection of focus groups as the base for the methodology design makes sense in view of the highly specialized audience, although the clients of the “urban planning industryâ€ are much more diverse. Therefore, while the topic and beginning of the paper are quite interesting and challenging, the rest of the description leaves the reader with at least two questions: Why, given the small sample size, would the proposed method be the robust testing method announced in the beginning? And what would be the consequences if 2D representations were indeed found by these focus groups to be as effective or even more effective than 3D representations?


