Lecture 9: Accessibility Flashcards
Why Accessibility Matters
-Different people benefit
-More people benefit
Types of Disabilities
-Cognitive
-Mobility
-Independent living
-Hearing
-Vision
-Self-care
Disability Categories
Permanent, temporary, situational
Medical Model of Disability
-Defined by the WHO
-Implies you have a problem and need to fix it
-Not empathic
Social Model of Disability
-Defined by the WHO
-Not just a health problem
-Everyone has different abilities
Accessibility
The quality of being able to equally perceive, understand, navigate, and interact with websites, interfaces, environments, and tools. It also means being able to contribute equally without barriers.
Assistive Technologies
Products, equipment, and systems that enhance learning, working, and daily living for persons with disabilities
Web Accessibility Concerns
Visual: screen readers, adjust contrast/color schemes
▪ Auditory: Captions, Sign Language interpretation
▪ Motor: Eye trackers, adaptive buttons
▪ Cognitive: Simple language, consistent navigation, color choice
Perceivable
available to all senses through the browser or assistive technologies
Operable
users can interact with all controls and elements using either the mouse, keyboard, or assistive device
Understable
content is clear and limits ambiguity
Robust
should support a wide range of technologies than can access the content
Levels of Accessibility
A: Minimum (basics)
-AA: Recommended (removing significant barriers)
-AAA: Enhanced (improving accessibility)
Text Equivalent Concept
-add alt text
-add captions
-provide multiple contact options
-accompany media content with plain text
Tips for Text
-use large fonts
-use background colors that support good contrast
-minimize animations
-add padding to facilitate readability (use white space)
-avoid highly saturated colors (some people can be sensitive to those colors)
-use simple language
-use short sentences
