Digital Accessibility:
Improving Accessibility of Digital Learning Environments through Technology
Andrias Susanto
Ph.D. Student in Applied Linguistics in Technology
& Ph.D. Student in Human Computer Interaction
ENGL/LING 1200 - Computer & Language Course Instructor
IOWA STATE UNIVERSITY
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Tim Berners-Lee�(the “www.” Creator)
“The power of the Web is in its universality. Access by everyone regardless of disability
is an essential aspect.”
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Contents
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2. Why is Accessibility important?
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3. What is the Core Point of Accessibility?
1. Multiple means of Engagement (the “WHY”)
2. Multiple means of Representation (the “WHAT”)
3. Multiple means of Action and Expression (the “HOW”)
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4. What is Digital Learning Environment?
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5. What are Aspects to Improve Accessibility?
The POUR principle:
(text alternatives, time-based media, adaptable, distinguishable)
(keyboard accessible, enough time, seizures and physical reactions, navigable, input modalities)
(readable, predictable, input assistance)
(compatible)
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6. Samples of Accessibility Evaluation
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6. Samples of Accessibility Evaluation
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6. Samples of Accessibility Evaluation
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7. Improving DLE Accessibility with Technology
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Example 1. Automated Alt Text Generation
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Example 2. NLP for Content Accessibility
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Example 3. Voice User Interfaces
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Example 4. Chatbots for Support & Navigation
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Example 5. Automated Testing & Remediation
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Example 6. User Interaction Tracking
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Example 7. Machine Learning for Predictive Accessibility
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Example 8. Real-time Captioning & Transcription
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Example 9. LMS Accessibility Feature (Canvas)
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Example 10. Improving Accessibility Using AI
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References
Checrallah, M., Sonnett, C., & Desgres, J. (2020). Evaluating Cost, Privacy, and Data. Accessed from: https://edtechbooks.org/digitaltoolsapps/evaluatingcostprivacydata
Fitzpatrick, J., Sanders, J. & Worthen, B. (2011). Program Evaluation: Alternative Approaches and Practical Guidelines (4th ed.). New York: Pearson.
Frederico, A., Shaikh, K., & Wang, M. (2020). Evaluating Accessibility. Accessed from: https://edtechbooks.org/digitaltoolsapps/evaluatingaccessibility
Rasmussen, J., & Andersen, H. B. (1991). Human-computer interaction: An introduction. In J. Rasmussen, H. B. Andersen, & N. O. Bernsen (Eds.), Human-computer interaction. Research directions in cognitive science. European perspectives. Vol. 3 (Vol. EUR-11768(v.3), pp. 1-26). Lawrence Erlbaum Associates.�Rubin, J. & Chisnell, D. (2008). Handbook of Usability Testing: How to Plan, Design, and Conduct Effective Tests (2nd ed.). Indianapolis, IN: Wiley.
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Thank you!
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