Evaluating Information in Ill-Structured Decision Environments

The issue of evaluating information in an ill-structured decision environment is examined by comparing four alternative methods. Two are derived from the cognitive maps of the decision-makers: one is based on the intrinsic variety of the factor being evaluated, and the other on the number of links in the cognitive map that are affected by the factor's removal. The other two involve Likert scale and rank-ordering questions to measure the value …