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Advanced Deception Analysis: Leveraging Mouse Tracking for Enhanced Accuracy

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This study explores the efficacy of mouse tracking technology in detecting deception. Unlike traditional polygraphs, which focus on physiological impulses, mouse tracking captures the entire flow of a participant's movements, revealing hesitance when lying. Participants answer two sets of questions—one truthfully and the other deceitfully—using a computer mouse. The software provides flexible analysis through individual and global calibration curves. Despite its advantages, challenges remain, including question design variability and ease of deception. Future improvements may enhance the validity and reliability of this innovative approach.

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Advanced Deception Analysis: Leveraging Mouse Tracking for Enhanced Accuracy

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Presentation Transcript

  1. Deception analysis usingMouse tracking Agrim Gupta

  2. Basics • People hesitate when lying • This shows up in their body movements • Polygraphs measure impulses • Mouse tracking measures the entire flow • This is much difficult to understand than a simple polygraph • Mouse tracking is economical too

  3. The experiment • Two sets of 14-15 ‘obvious’ questions • Participants are made to sit in front of a computer, made to answer with a mouse • One set is truthfully answered, the participant lies in the other one • Participant is not told the objective of the experiment until its done

  4. MouseTracker Designer

  5. MouseTracker Analyzer

  6. Highlights • Questions are randomized • Choice for truth-set or lie-set is random • Individual and Global calibration curve give greater flexibility in analysis • Mouse tracking has better potential of being accurate as people are comfortable with it

  7. X-Deception Curve

  8. Y-Deception Curve

  9. Full Deception Curve (UF)

  10. Full Deception Curve (F)

  11. Drawbacks • One-sided questions – software limitation • Test can be easily faked • Some questions may have doubtful answers • Different people have different mouse movement expertise • Questions need more variety and need to be more in number

  12. Scope for Improvement • A better software that allows more flexibility and is more stable • Additional support from eye-tracking data • Clarity in questions needed • A standard desk with standard mouse support can be arranged for • Questions should have randomized placements of options

  13. Thank You

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