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Eye Tracking Young Children with Autism
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Factors affecting computer mouse use for young children: implications for AAC.

F Aileen Costigan1, Janice C Light, Karl M Newell

  • 1The Pennsylvania State University, University Park, Pennsylvania, USA. aileencostigan@yahoo.ca

Augmentative and Alternative Communication (Baltimore, Md. : 1985)
|June 8, 2012
PubMed
Summary

Four-year-olds are more accurate and faster than three-year-olds when using a mouse. Target size and angle significantly impact young children

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Area of Science:

  • Human-Computer Interaction
  • Developmental Psychology
  • Assistive Technology

Background:

  • Over 12% of preschoolers in special education have complex communication needs.
  • Many children with complex communication needs utilize mainstream technologies via mouse input.
  • Limited research exists on factors influencing young children's mouse performance.

Purpose of the Study:

  • To investigate the effects of age, target size, and angle on mouse selection accuracy and speed in preschoolers.
  • To identify age-related performance differences and influencing factors for computer access.

Main Methods:

  • A mixed factorial design was employed.
  • Twenty 3-year-olds and twenty 4-year-olds participated.
  • Mouse selection accuracy and time were measured across varying target sizes and angles.

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Last Updated: May 21, 2026

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Published on: March 27, 2012

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Main Results:

  • Four-year-olds demonstrated higher accuracy and faster selection times than 3-year-olds.
  • Both age groups showed improved performance with larger target sizes.
  • Vertical angles facilitated faster selection compared to diagonal angles for 3-year-olds.

Conclusions:

  • Mouse performance in young children is influenced by age, target size, and angle.
  • Preliminary age-related target size thresholds can enhance accuracy and efficiency.
  • Vertical angles may be beneficial for training mouse navigation skills.