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Related Concept Videos

Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

796
A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...
796

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An Assessment Method and Toolkit to Evaluate Keyboard Design on Smartphones
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A multidisciplinary approach for developing an assessment tool for touch screen devices.

Alexandra Danial-Saad1,2, Lorenzo Chiari3

  • 1a Department of Occupational Therapy, Faculty of Social Welfare and Health Sciences , The University of Haifa , Haifa , Israel.

Disability and Rehabilitation. Assistive Technology
|September 15, 2017
PubMed
Summary
This summary is machine-generated.

This study developed a consensus-based assessment for touch screen skills, identifying 50 key skills across 15 domains. The tool aims to improve objective assessment and enhance accessibility for diverse users.

Keywords:
Touch screen technologyassessmentcontent validitymultidisciplinary team

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Area of Science:

  • Rehabilitation Engineering
  • Human-Computer Interaction
  • Assistive Technology

Background:

  • Touch screen devices are increasingly prevalent, necessitating standardized methods for assessing user operational skills.
  • Evaluating user abilities and disabilities is crucial for enhancing the accessibility of touch screen technology.

Purpose of the Study:

  • To establish a consensus on essential user skills for operating touch screen devices.
  • To develop a validated assessment framework for quantifying touch screen performance characteristics.

Main Methods:

  • A multidisciplinary team of 52 experts utilized a five-step procedure for skill collection and validation.
  • Content validity and correlation analyses were performed to assess expert agreement and group differences.
  • Cronbach's alpha was used to determine the internal consistency of the final assessment tool.

Main Results:

  • A consensus was reached on 15 domains encompassing 50 specific skills and measurements for touch screen operation.
  • The final assessment questionnaire demonstrated high internal consistency (Cronbach's α = 0.94).
  • Significant differences in agreement were found between educators and clinicians, but not between clinicians and technicians.

Conclusions:

  • The developed assessment questionnaire provides a foundation for an objective tool to evaluate touch screen performance in individuals with diverse abilities.
  • Findings support enhancing the accessibility of touch screen technology by providing clinicians with essential skills and measurements for comprehensive assessment.
  • The study highlights the value of multidisciplinary collaboration in creating valid and reliable assessment tools for assistive technology.