In daily life, we repeatedly make choices, such as selecting meals at a cafeteria or snacks at a convenience store. People tend to select the same options they have chosen before, mainly due to a loss aversion that increases risk avoidance. Reducing this fixation and promoting diversity in choices could lead to new experiences and greater satisfaction. This study proposes a glasses-type wearable system that encourages diverse choice behavior by presenting users with previously hesitated options in real-time. The system detects choice behavior based on the gaze information during daily life and records the choice scene along with the options the user hesitated over. When a similar choice scene reoccurs, the system presents those past options based on the recorded data. In this paper, we implemented a prototype of the proposed system and performed an evaluation experiment to examine whether presenting previously hesitated options can promote choice diversity. In the system validation, the prototype successfully detected and recorded choice behavior accurately in purchasing scenes. In the evaluation experiment, the average number of times they chose a different option from the previous choice was 4.73 with option presentation, compared to 3.53 without it. This suggests that the proposed system can help diversify user choices in purchasing situations.

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A Wearable System for Promoting Decision Diversity Through Detection and Recall of Previous Considered Options

  • Kanata Utsunomiya,
  • Ayumi Ohnishi,
  • Tsutomu Terada,
  • Masahiko Tsukamoto

摘要

In daily life, we repeatedly make choices, such as selecting meals at a cafeteria or snacks at a convenience store. People tend to select the same options they have chosen before, mainly due to a loss aversion that increases risk avoidance. Reducing this fixation and promoting diversity in choices could lead to new experiences and greater satisfaction. This study proposes a glasses-type wearable system that encourages diverse choice behavior by presenting users with previously hesitated options in real-time. The system detects choice behavior based on the gaze information during daily life and records the choice scene along with the options the user hesitated over. When a similar choice scene reoccurs, the system presents those past options based on the recorded data. In this paper, we implemented a prototype of the proposed system and performed an evaluation experiment to examine whether presenting previously hesitated options can promote choice diversity. In the system validation, the prototype successfully detected and recorded choice behavior accurately in purchasing scenes. In the evaluation experiment, the average number of times they chose a different option from the previous choice was 4.73 with option presentation, compared to 3.53 without it. This suggests that the proposed system can help diversify user choices in purchasing situations.