A major issue in value-function assessment is the possibility of receiving an indefinite response from a decision maker to a question about preferences. The conventional treatment requires a single, definite response from the decision maker. This approach either assumes that response error is zero or accepts the final solution as only approximate, without knowing how approximate it might be. In this paper we examine the issue of indefinite responses, define it more precisely, and present a method for incorporating it into decision making. The method is adaptive in that it is iterative and interactive with the decision maker who, at each iteration, is provided with information regarding the potential advantage of answering more trade-off questions and/or answering questions more carefully to reduce response m r . In contrast to other approaches that "force" rationality and decisiveness, we work with irrationality and indecisiveness on the part of the decision maker. The method is demonstrated for the case of concave, increasing value functions.
Sub]cct A m Daision Analysis, Human Information Pmcessing, and Statistical Decision
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A survey of project scheduling problems since 1973 limited to work
done specifically in the project scheduling area (although several
techniques developed for assembly line balancing and job‐shop scheduling
can be applicable to project scheduling): the survey includes the work
done on fundamental problems such as the resource‐constrained project
scheduling problem (RCPSP); time/cost trade‐off problem (TCTP); and
payment scheduling problem (PSP). Also discusses some recent research
that integrates RCPSP with either TCTP or PSP, and PSP with TCTP. In
spite of their practical relevance, very little work has been done on
these combined problems to date. The future of the project scheduling
literature appears to be developing in the direction of combining the
fundamental problems and developing efficient exact and heuristic
methods for the resulting problems.
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