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Published byRalf Andrews Modified over 9 years ago
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Understanding Software Accessibility
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The Need for Accessible Software 54 million people with disabilities in the United States Aging Temporary disabilities Circumstances Good business It is the law
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What Is Section 508? History Access Board – EITAAC Electronic and Information Technology Develop, Procure, Maintain or Use Access for Employees and Public
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Section 508 Continued Undue Burden “significant difficulty or expense” June 21, 2001
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Barriers Blindness Low vision Mobility disabilities Hearing disabilities Seizure disorders
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Visual Impairments Dimness Haziness Extreme far/near sightedness Color blindness Tunnel vision Total Blindness
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Mobility Impairments Arthritis Stroke Cerebral Palsy Parkinson's Disease Loss of limbs or digits Spinal Cord Injuries Repetitive Stress Injury
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Hearing Impairments Partial Hearing Loss High/low Frequency Loss Total Deafness
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Cognitive Impairments Dyslexia Memory loss Problem Solving Comprehension
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Assistive Technologies Screen readers Screen enlargers Voice input aids On-screen keyboards Alternate input devices OS accessibility features
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Demonstrations Assistive Technology
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Basic Principles Flexibility Input methods Output methods Consistency Compatibility
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Section 508 Technical Software Standards
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Section 508 Software Technical Standards Keyboard equivalents for mouse actions sample sample Support accessibility features sample sample On screen focus and tracking sample sample Images properties (identity, role & location) Consistency of bitmap control elements Text information and properties
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508 Standards Cont. Contrast and Color samplesample Animation Color-coding Color and contrast variety options Flashing or blinking text, objects, etc Electronic forms
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Keyboard Navigation
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On Screen Focus Indication Many accessibility aids need to identify the location of the keyboard focus.
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Access Features
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Documentation Alternate Formats Accessibility or compatibility features Support Services and Help Desks
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Case Study Accessible Software Versus Not Accessible Software
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Resources TRACE (www.trace.wisc.edu) DOJ (www.usdoj.gov/crt/508/508home.html) ED ( www.gcs.ed.gov/coninfo/clibrary/software.htm) IBM (www-3.ibm.com/able) SUN (www.sun.com/tech/access) Access Board Final Rule (www.access-board.gov/news/508-final.htm)
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