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Accessibility in Online Teaching Tri-County Community College August 13, 2012
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For more information about the Professional Development Center contact: Jennifer Jones (919) 866-5636 jjones4@waketech.edu Session Resources: vlcprofessionaldevelopment.pbworks.com VLC Professional Development Center
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Degree at which a product, device, service or environment is available to everyone and for the same purpose, regardless of ability. Universal Access is the goal What is Accessibility?
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Set of principles and techniques for creating inclusive classroom instruction and materials. UDL & Accessibility work together to promote access to all students. Accessibility = Compatibility with adaptive tools UDL = Bigger picture; Design of course Universal Design for Learning (UDL)
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Accessible courses, designed with accessibility and Universal Design for Learning (UDL) in mind, are beneficial to all students, not just those with a disability. Designing and building the course right the first time, saves time in having to rebuild it later on. It’s the law! Why Make Content Accessible?
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Amended in 1998, Section 508 is a part of the Rehabilitation Act of 1973 requiring Federal agencies to make electronic and information technology accessible to individuals with disabilities. 2001 were labeled as standards and carry the full weight of the law. Section 508
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States that no state entity, including educational institutions, may: "…refuse to provide reasonable aids and adaptations necessary for a known qualified person with a disability to use or benefit from existing public services operated by such entity; provided that the aids and adaptations do not impose an undue hardship on the entity involved. This subsection includes equivalent services provided via information technology" (G.S. 168A-7, Section 3) NC General Assembly, Bill 866
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Equivalent Access means providing Identical Content used by non-disabled users. Alternative Access provides an alternative learning activity, but achieves same learning objectives. Only used if Equivalent Access not feasible. Equivalent/Alternative Access
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Color contrast Accessible fonts and text formatting Structure and formatting Hyperlinks Accessibility Guidelines
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Consider color contrast for those with color blindness and vision impairments Contrast
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Light Colors Dark Colors Effective Not Effective Color Wheel
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Select basic, simple, easy to read fonts Sans Serif Examples This is Arial This is Verdana This is Tahoma Font Accessibility Rules (Web)
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Use a limited number of fonts Use no more than 3 different fonts or text colors If varying fonts styles, limit the use to headings Headings style dropdown menu should be used for screen readers Avoid small font sizes Use the default style sizes and font Limit the use of font variations such as bold, italics, and all capital letters. Font Accessibility Rules (Web)
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Never use Color Alone to Convey Information Colorblind users may not be able to discern color- based variation Vischeck sample works of art as seen with color blindness (opens in new window) Vischeck sample works of art as seen with color blindness (opens in new window) Color blindness simulators help identify possible challenges Coblis colorblind simulator (opens in new window) Coblis colorblind simulator (opens in new window) Font Accessibility Rules (Web)
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Bad Example Lines that must be memorized for the next quiz are in red. Font Accessibility Rules (Web)
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Good Example Lines that must be memorized for the next quiz are in red and bold. A variation could be seen. Font Accessibility Rules (Web)
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Avoid blinking and animated text Avoid excessive text effects Font Accessibility Rules (Web)
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Text longer than a few paragraphs needs structure to make it easier to understand True heading styles are not just bold or enlarged They provide meaningful structure for all students, but also for Screen Readers. Establish Hierarchy: Structure your Text Content
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Alternative text provides a textual alternative to non- text content, like videos, images and graphs Alternative text conveys the meaning of the context in which the image is used Who benefits from alternative text? Users with Screen Readers Users with technical difficulties Alternative Text
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Every visual non-text element must have a text-based replacement. Alternative text should replace a visually exclusive component with words that convey the equivalent meaning, serve the same purpose, and are in context with the objective of the content. Alternative text should provide the same information in an alternative format to accommodate more than a single sense. Alternative Text
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Use alternative text for: Images Diagrams Charts Graphs Tables that may be interpreted as graphical elements When to Use Alt Text
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Questions to consider: What information is the visual element representing? What is the specific purpose of the visual element? Without the visual element, what words would provide the same information, or serve the same function? Is the visual element merely decorative? Consider eliminating visual elements that do not serve a clearly defined purpose. Does the visual element contain words that are important to understanding the subject matter? The alternative text should always include essential words that are part of the non-text visual element. Writing Meaningful Alt Text
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Alternative Text Examples An architecture course in studying the three types of Greek columns. A global logistics class is mapping familiar, famous addresses with a variety of mapping tools. Just for design or to break up the space
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Long Descriptions Complex images, diagrams, graphs, and charts that require more information than can be expressed as alternative text require long descriptions. Long Descriptions are not read within the context of the page when using screen readers and open in new document
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Hyperlinks are active connections from one web location to another. Assistive technologies, like screen readers, allow links to be pulled out of context. This means the user may not hear the text that surrounds the link. Hyperlinks
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Hyperlinks convey Where is the link going? Why is the link provided? What else happens? In many cases the Where and the Why are closely related. Writing Accessible Hyperlinks
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Accessible Hyperlink Example EXAMPLE: A science instructor is sending students to WRAL TV Online to observe current local weather radar readings. Do This WRAL Online Local Weather Radar opens in a new windowWRAL Online Local Weather Radar opens in a new window http://www.wral.com/weather/radar/ Not This http://www.wral.com/weather/radar/ Click Here
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Documents require interpretation by a server, browser or LMS Some text characters cause computer to assume a command and are illegal to use Can cause files to be inaccessible to students LMS may generate error based on file name File Naming Conventions for Web
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SHORT AND SWEET No more than 32 characters NICE AND NEAT No spaces ABC AND 123 Alphanumeric characters with the exceptions of hyphens ( – ) and underscores ( _ ) START OUT RIGHT First character of file name is a letter, prefer lower case The Rules for Naming Files
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Do This: public1myDogLilly.doc macbethCharSummJonesDraft1.doc Not This: Connie Q. Public ENG.100.4203 Rough Draft.doc #1 Draft Macbeth Character Summary Mary Jo Jones.doc File Naming Examples
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Tab Access and Focus Use the tab key to navigate the web page Structure and Hierarchy WAVE Web Accessibility Evaluation Tool (opens in new window) WAVE Web Accessibility Evaluation Tool (opens in new window) Testing for Accessibility
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Color Contrast Checkers WebAim Color Contrast Checker (opens in new window) WebAim Color Contrast Checker (opens in new window) WCAG Contrast Checker (opens in new window) WCAG Contrast Checker (opens in new window) Add-on for Firefox web browser WebAIM – Web Accessibility in Mind WebAIM Quick Reference: Testing Web Content for Accessibility (opens in new window) WebAIM Quick Reference: Testing Web Content for Accessibility (opens in new window) Online guide to testing web content Testing for Accessibility (2)
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Let’s test some sites!
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Questions?
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