Abstract
Multiple decision support methods have been developed to support multi-criteria problems, offering a structured approach. One such method is FITradeoff, which is based on tradeoff, and has a strong axiomatic structure. Implemented in a Decision Support System, FITradeoff offers an experience with low cognitive effort and time demanded by the decision maker. Despite its advantages, some issues remain unclear. In this study, we sought to perform an analysis about the cognitive aspects during the elicitation process using FITradeoff in which the subjects solved decision problems developed by themselves. Two neuroscience tools, Eye-Tracker and a 14-channel EEG were used for neurological and psychophysiological data collection. From the results obtained, analyzes and considerations were made about the elicitation process with FITradeoff and the impact of different types of criteria on the performance of the decision maker. With these findings, it is expected to create direction for improvements in the Decision Support System.
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