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A comparison of preference elicitation methods for multi-criteria design decisions about resilient and sustainable buildings

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JournalEnvironment Systems and Decisions
DateE-pub ahead of print - 1 Apr 2019
DatePublished (current) - 1 Dec 2019
Issue number4
Volume39
Number of pages15
Pages (from-to)439-453
Early online date1/04/19
Original languageEnglish

Abstract

Designing sustainable and resilient buildings is a complex process involving multiple actors and numerous, often conflicting, criteria to describe the social, environmental, and economic consequences of design decisions. Multi-Criteria Decision Making (MCDM) is a well-established branch of systematic decision science that may be used to narrow the choice set and balance decision criteria and objectives. MCDM methods rely on eliciting decision makers’ (DM) criteria preferences through surveys—a critical, but often time-consuming and expensive process. This study compares two survey methods—Simple Multi-Attribute Rating Technique and Potentially All Pairwise RanKings of all possible Alternatives—used to capture DM’s preferences for subjective criteria relevant to the design of resilient and sustainable buildings. Significant differences were found between the results of the two methods, indicating that building design criteria are evaluated differently in different contexts. However, most DMs reported that both surveys accurately captured their preferences, complicating conclusions about DM’s actual preferences through single surveys. The design professionals surveyed also report lower cognitive load for the direct weighting method. Although this study does not report a preferred survey method, the findings suggest that great care must be taken when eliciting DM preferences, and when attempting to apply MCDM to building design decisions.

    Research areas

  • Criteria preference techniques, Decision-making cognitive load, Multi-Criteria Decision Making (MCDM), PAPRIKA, SMART

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