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Related Experiment Video

Updated: Dec 4, 2025

A Tablet-Based Curriculum-Based Measurement Protocol for Kindergarten Writing
15:00

A Tablet-Based Curriculum-Based Measurement Protocol for Kindergarten Writing

Published on: February 7, 2025

959

A Tablet App for Handwriting Skill Screening at the Preliteracy Stage: Instrument Validation Study.

Linda Greta Dui1, Francesca Lunardini1, Cristiano Termine2

  • 1Department of Electronics, Information and Bioengineering, Politecnico di Milano, Milan, Italy.

JMIR Serious Games
|October 22, 2020
PubMed
Summary
This summary is machine-generated.

Early detection of dysgraphia is possible using a new tablet app that measures handwriting laws in children, even before they master writing. This technology offers accessible, objective screening for handwriting difficulties.

Keywords:
homothetyisochronypreventionserious gamespeed-accuracy tradeoffsteering lawtabletwriting

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Area of Science:

  • Developmental psychology
  • Human-computer interaction
  • Educational technology

Background:

  • Dysgraphia significantly impacts children's daily lives.
  • Current handwriting assessments are subjective, delayed, and inaccessible.
  • Early detection and intervention are crucial for managing handwriting difficulties.

Purpose of the Study:

  • Quantify key handwriting features indicative of dysgraphia.
  • Enable early assessment in preliteracy populations.
  • Utilize accessible consumer technology for screening and monitoring.

Main Methods:

  • Developed a tablet-based app, Play Draw Write.
  • Assessed handwriting laws: isochrony, homothety, and speed-accuracy tradeoff.
  • Tested on children aged 5-9 years, including preliterate and proficient writers.

Main Results:

  • Handwriting laws were validated on tablet surfaces for words and symbols.
  • Significant age-related evolution in movement time and performance index observed.
  • Key handwriting principles are present before formal writing acquisition.

Conclusions:

  • The app enables early detection of handwriting difficulties in preliterate children.
  • Provides accessible, objective monitoring of handwriting development.
  • Facilitates timely intervention to prevent long-term impacts.