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To support the decision-making process and enhance user interaction, Decision Support Systems (DSSs) are being developed and continuously improved. The aim of this study has been to investigate the interface of the FITradeoff DSS in order to investigate decision makers’ preferences in holistic evaluation and decomposition process. This study analyzed the differences between four interfaces in a DSS, as well as eye movement data from 37 participants. In the experiment (total average duration of approximately 5 min), fixation and pupil data were captured using Area of Interest (AOI) drawings, as well as heatmaps and scan paths. The results revealed that the decision-makers seemed to spend more time, attention and cognitive effort on the screen declared as preferred. In addition, it is suggested that, in one of the interfaces, the change in the arrangement of the data on the graph resulted in an increase in the demand for the task, suggesting an increase in task time, duration of fixation and pupil diameter. Hence, based on the results, the study aims to improve the FITradeoff DSS providing modulations in the FITradeoff method and it DSS.

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Examining Interface Preferences in a Decision Support System Using Eye-Tracking

  • 会议论文

  • 发表日期：

    2025年

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  • Evanielle Barbosa Ferreira,
  • Lucia Reis Peixoto Roselli,
  • Adiel Teixeira de Almeida

摘要

To support the decision-making process and enhance user interaction, Decision Support Systems (DSSs) are being developed and continuously improved. The aim of this study has been to investigate the interface of the FITradeoff DSS in order to investigate decision makers’ preferences in holistic evaluation and decomposition process. This study analyzed the differences between four interfaces in a DSS, as well as eye movement data from 37 participants. In the experiment (total average duration of approximately 5 min), fixation and pupil data were captured using Area of Interest (AOI) drawings, as well as heatmaps and scan paths. The results revealed that the decision-makers seemed to spend more time, attention and cognitive effort on the screen declared as preferred. In addition, it is suggested that, in one of the interfaces, the change in the arrangement of the data on the graph resulted in an increase in the demand for the task, suggesting an increase in task time, duration of fixation and pupil diameter. Hence, based on the results, the study aims to improve the FITradeoff DSS providing modulations in the FITradeoff method and it DSS.