© 2004 Ken Baldauf, All rights reserved. Universal Usability CGS2826 Web Design Program in Interdisciplinary Computing Florida State University From Web Style Guide, Chapter 2: Universal Usability
2 Usability
Jan 27, 2015
Usability Chapter Notes
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© 2004 Ken Baldauf, All rights reserved.
Universal Usability
CGS2826 Web DesignProgram in Interdisciplinary ComputingFlorida State University
From Web Style Guide, Chapter 2: Universal Usability
© 2010 Ken Baldauf, All rights reserved.
“Usability is a measure of effectiveness. It describes how effective tools and information sources are in helping us accomplish tasks.”
© 2010 Ken Baldauf, All rights reserved.
Usability
Quantitative measures: time taken to complete tasks, mistakes made
Qualitative measures: satisfaction, learnability,
© 2010 Ken Baldauf, All rights reserved.
Accessibility
Accessibility is concerned with making content and services available to EVERYONE with a special focus on including individuals with disabilities.
http://www.w3.org/WAI/
© 2010 Ken Baldauf, All rights reserved.
User-Centered Design (UCD)
User-oriented methods of design includingtask analysis, focus groups, user testing.
Development is an iterative process that continuously returns to the user.
User experience (UX) is everything.
http://www.uxbooth.com/
http://www.uxmag.com/
© 2010 Ken Baldauf, All rights reserved.
Universal Usability
User-centered design with a broad and inclusive view of users, platforms, and usage context.
© 2010 Ken Baldauf, All rights reserved.
Universal Design
Universal design incorporates access requirements into a design rather than providing alternate designs to meet specific needs.
http://www.ncsu.edu/www/ncsu/design/sod5/cud/
© 2010 Ken Baldauf, All rights reserved.
Universal Design Principles
1. Equitable Use
2. Flexibility in Use
3. Simple and Intuitive Use
4. Perceptible Information
© 2010 Ken Baldauf, All rights reserved.
Universal Usability Guidelines
1. Move beyond the “typical” user
2. Use adaptive design1. Flexible
2. Provide user control
3. Provide keyboard functionality
4. And text equivalents
© 2010 Ken Baldauf, All rights reserved.
Usability Design Tools User Research
Surveys Interviews Focus Groups Field Studies
Web metrics and analytics User Web history, search keywords, sequence
and time of page views, browser, OS, screen resolution, return user
© 2010 Ken Baldauf, All rights reserved.
© 2010 Ken Baldauf, All rights reserved.
Design and Evaluation
Personas Goal Analysis Scenarios & use Cases Prototypes & Wireframes User Testing
© 2010 Ken Baldauf, All rights reserved.
The Development Cycle
Requirements > Design > Development > Testing > Maintenance
A hybrid approach that utilizes both “waterfall” development and the iterative model is recommended.
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