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An Assessment Method and Toolkit to Evaluate Keyboard Design on Smartphones

An Assessment Method and Toolkit to Evaluate Keyboard Design on Smartphones

Published on: October 5, 2020

Automatic Adjustment of Keyboard Settings Can Enhance Typing.

Heidi Horstmann Koester¹, Jennifer Mankowski¹

¹a Koester Performance Research , Ann Arbor , Michigan , USA.

Assistive Technology : the Official Journal of RESNA

|October 3, 2015

Summary

A new software tool, AutoIDA, helps people with physical impairments by automatically configuring Windows keyboard settings. While typing speed remained similar, the software reduced typing errors and improved efficiency for specific key functions.

Keywords:

accessibility assistive technology computer access evaluation study physical impairment typing

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Area of Science:

Human-Computer Interaction
Assistive Technology
Software Engineering

Background:

Individuals with physical impairments often face challenges with standard computer keyboard settings.
Optimizing keyboard configurations can enhance typing productivity and user comfort.

Purpose of the Study:

To develop and evaluate AutoIDA, a software tool for automatic configuration of Windows keyboard settings.
To assess the impact of AutoIDA-recommended settings on typing performance for individuals with upper extremity impairments.

Main Methods:

Developed AutoIDA software to monitor user activity and recommend Sticky Keys and key repeat settings.
Conducted an evaluation study with 14 participants with upper extremity impairments.
Analyzed changes in typing speed, error rates, and specific key entry efficiency.

Main Results:

AutoIDA recommended setting adjustments for 10 out of 14 participants.
Average typing errors decreased from 17.6% to 13.3% with recommended settings.
AutoIDA prevented approximately 90% of inadvertent key repeats and improved modified character entry.

Conclusions:

AutoIDA shows potential for improving typing accuracy and efficiency for users with physical impairments.
Participants found the software useful, indicating a need for such assistive tools.
Further research may be needed to achieve statistically significant improvements in typing speed.