The Flexible and Interactive Tradeoff (FITradeoff) method, is a new method proposed for eliciting scaling constants or weights of criteria. The FITradeoff uses partial information about decision maker (DM) preferences to determine the most preferred in a specified set of alternatives, according to an additive model in MAVT (Multi-Attribute Value Theory) scope. This method uses the concept of flexible elicitation for improving the applicability of the traditional tradeoff elicitation procedure. FITradeoff offers two main benefits: the information required from the DM is reduced and the DM does not have to make adjustments for the indifference between two consequences (trade-off), which is a critical issue on the traditional tradeoff procedure. It is easier for the DM to make comparisons of consequences (or outcomes) based on strict preference rather than on indifference.
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AT de Almeida, JA de Almeida, APCS Costa, AT de Almeida-Filho; A new method for elicitation of criteria weights in additive models: Flexible and interactive tradeoff – European Journal of Operational Research, Available online 8 September 2015, ISSN 0377-2217, http://dx.doi.org/10.1016/j.ejor.2015.08.058.