Abstract
This study investigated how an individual's deceptive intention may be inferred from non-verbal behavioral representation while simultaneously concealing suspicious movement. Using a paper-and-pencil test, 33 participants were asked to deceive a hypothetical surveillance system. Results showed that deceptive intention can be inferred from trajectories drawn by participants. Patterns of trajectories were clustered. The majority of participants believed that not being suspicious is more important than being deceitful. Features exhibited in trajectories require more in-depth qualitative analyses in future studies. Computer-based experiments are also recommended.
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