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Related Experiment Videos

Computer mouse operation: is the left-handed user disadvantaged?

E R Hoffmann1, W Y Chang, K Y Yim

  • 1Department of Mechanical and Manufacturing Engineering, University of Melbourne, Parkville, Victoria, Australia.

Applied Ergonomics
|August 1, 1997
PubMed
Summary

Left-handed computer users are not disadvantaged by standard right-sided mouse placement. Left-handers performed equally well with their non-preferred hand as right-handers did with their preferred hand.

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Area of Science:

  • Human-Computer Interaction
  • Ergonomics
  • Usability Studies

Background:

  • Standard computer mouse setup defaults to right-hand use.
  • The potential impact on left-handed users is often overlooked.
  • University of Melbourne computers surveyed showed 100% right-hand mouse placement.

Purpose of the Study:

  • To investigate if left-handed individuals experience disadvantages with right-sided mouse configurations.
  • To compare the performance of left-handed and right-handed users in computer mouse tasks.
  • To assess left-handed users' proficiency with both preferred and non-preferred hands.

Main Methods:

  • An experiment was conducted involving cursor-to-target movement tasks.
  • Target sizes and distances were varied to simulate different interaction scenarios.

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  • Performance metrics, specifically time taken, were recorded for all participants.

    • Main Results:

    • Left-handed users did not show significant disadvantages in performance.
    • Left-handed users performed comparably using their non-preferred hand to their preferred hand.
    • Left-handed users demonstrated superior performance compared to right-handed users when using their non-preferred hand.

    Conclusions:

    • Right-sided mouse placement does not appear to significantly disadvantage left-handed computer users.
    • Left-handed individuals exhibit high adaptability and skill with non-preferred hand mouse usage.
    • The study suggests that standard computer setups may be more universally usable than previously assumed.