The method depends on project manager and project team preferences. This technique is a group information gathering process, but without personal interaction. The opinions and reasons are reduced to standard or common statements. The experts are shown the aggregated opinions of all the experts surveyed. Re-evaluation and further substantiation is requested from the participating experts.
Iterative feedback continues until no further changes result.
The experts final opinions are used to compute a set of median values to represent the expert group opinion. Team members are encouraged to generate new ideas or expand on those of other team members. A designated team member writes down all ideas none are evaluated or thrown away. When all input is exhausted, the group proceeds through the list and discusses the merits of each idea. Some risks are eliminated, and the remaining ones are consolidated and categorized.