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Pactolo Bar: An Approach to Mitigate the Midas Touch Problem in Non-Conventional Interaction.

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  • 1Computer Science Postgraduate Program, Federal University of Pará, Belém 66075-110, Brazil.

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Researchers developed the Pactolo Bar (PB) to solve the Midas Touch (MT) problem in computer interactions. This head tracking (HT) solution significantly reduces unwanted clicks, improving user experience with non-conventional computer interactions.

Keywords:
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Area of Science:

  • Human-Computer Interaction
  • Assistive Technology
  • Web Accessibility

Background:

  • Non-conventional computer interactions (using hands, voice, head, etc.) are crucial for scenarios where traditional mouse/keyboard use is difficult.
  • The Midas Touch (MT) problem, characterized by involuntary selections, hinders user experience in these interaction methods.
  • Head Tracking (HT) is a promising non-conventional interaction technique facing challenges with precise control.

Purpose of the Study:

  • To mitigate the Midas Touch (MT) problem in web page interactions.
  • To introduce and evaluate a novel solution, the Pactolo Bar (PB), utilizing Head Tracking (HT) technology.
  • To enhance user experience with non-conventional computer interaction methods.

Main Methods:

  • Development of the Pactolo Bar (PB), a component integrated into web pages to control click events.
  • Two-stage testing with voluntary participants to configure and evaluate the PB.
  • Comparative analysis of the PB solution against eViacam software, another HT-based tool.

Main Results:

  • Quantitative data demonstrated significant prevention of involuntary clicks using the Pactolo Bar (PB).
  • Qualitative data indicated an improved user experience due to the PB's ease of use, including its size, triggering mechanism, and interface positioning.
  • The study confirmed the effectiveness of the PB in addressing the Midas Touch problem.

Conclusions:

  • The Pactolo Bar (PB) offers a promising solution to the Midas Touch (MT) problem in web interactions.
  • Implementing user-centered design elements in the PB significantly enhances usability and user experience.
  • Further research into graphic elements and interaction events is beneficial for advancing non-conventional computer interactions.