Carla De Winter, AccessCapableCo-authors : Una Daly, College Open Textbooks              Alice Krueger, Virtual Ability Inc.
Introduction Open Educational Resources:    openly licensed,     digital materials.    available at low cost. Open Tex...
The project Accessibility evaluation of 60 textbooks for College of  Open Textbooks. In-depth, consistent and quantitati...
Metrics A textbook must be:   Perceivable,   Operable,   Understandable, and   Robust.
Issues of Website StructuralAccessibility Three types: pre-set formats (platforms),  wikimedia and self-developed website...
Issues of Website StructuralAccessibility: colour contrast
Issues of Website StructuralAccessibility Common Website Structural Problems:   Structural Semantic Organizers.   Table...
Issues of Website StructuralAccessibility: fixed width
Issues of Website StructuralAccessibility Common Website Structural Problems (cont.):   Use of Flash and Javascript.   ...
Issues of PDF Accessibility PDFs download from website. PDF accessibility features:   Tagging and reading order.   Fon...
Issues of PDF Accessibility Tagging and reading order.
Common Issues in Both Formats Visual Appearance. Content Organization. Variable Vocabulary. Author’s Voice. Consisten...
Positive Findings In many textbooks:   Appropriate Readability Level.   Visual-Semantic Organization.   Format Consist...
Quantitative results From 1 (not accessible) to 5 (perfectly accessible):      Format                                    ...
Conclusions of the review Most issues are related to the  delivery mediums. BUT: Operable and Understandable  are within...
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6 accessibility review of open educational resources

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6 accessibility review of open educational resources

  1. 1. Carla De Winter, AccessCapableCo-authors : Una Daly, College Open Textbooks Alice Krueger, Virtual Ability Inc.
  2. 2. Introduction Open Educational Resources:  openly licensed, digital materials.  available at low cost. Open Textbooks:  converted from “All Rights Reserved” From the Creative Commons store to “Some Rights Reserved”. In line with the UN Convention article 24: State Parties shall ensure an inclusive education system at all levels.
  3. 3. The project Accessibility evaluation of 60 textbooks for College of Open Textbooks. In-depth, consistent and quantitatively comparable scoring:  For 17 subject areas, from history to mathematics, published on websites (56 %) or as PDF (42 %).  Using 26 metrics according to WCAG and Section 508 (US) guidelines, in total 999 relevant evaluations.  Done by a trained project team of disabled and impaired individuals.
  4. 4. Metrics A textbook must be:  Perceivable,  Operable,  Understandable, and  Robust.
  5. 5. Issues of Website StructuralAccessibility Three types: pre-set formats (platforms), wikimedia and self-developed websites For pre-set formats:  Issues with colour contrast.  Issues with structural markup.  Issues with in-page navigation.
  6. 6. Issues of Website StructuralAccessibility: colour contrast
  7. 7. Issues of Website StructuralAccessibility Common Website Structural Problems:  Structural Semantic Organizers.  Tables (headings and attributes).  Fixed Width Page.  In-Page Navigation.
  8. 8. Issues of Website StructuralAccessibility: fixed width
  9. 9. Issues of Website StructuralAccessibility Common Website Structural Problems (cont.):  Use of Flash and Javascript.  Non-Mouse Operation.  Use of Frames.
  10. 10. Issues of PDF Accessibility PDFs download from website. PDF accessibility features:  Tagging and reading order.  Fonts allow character extraction to text.  Non-mouse navigational aids.  Alternative text for images and interactive form fields.
  11. 11. Issues of PDF Accessibility Tagging and reading order.
  12. 12. Common Issues in Both Formats Visual Appearance. Content Organization. Variable Vocabulary. Author’s Voice. Consistency. Missing Alternative Texts. Comprehension Level.
  13. 13. Positive Findings In many textbooks:  Appropriate Readability Level.  Visual-Semantic Organization.  Format Consistency.  Good Presentation Style.  Lack of Clutter.  Presence of a Glossary.
  14. 14. Quantitative results From 1 (not accessible) to 5 (perfectly accessible): Format Average Score Connexions (pre-set format) 4 Flat World Knowledge (pre-set format) 3 Open Learn (pre-set format) 4 Open Learning Initiative (pre-set format) 2.4 Wikimedia 4.1 Other Web-based textbooks 3.5 PDFs 2.7
  15. 15. Conclusions of the review Most issues are related to the delivery mediums. BUT: Operable and Understandable are within author control. Authors need:  Awareness,  How-To Knowledge,  Professional Assistance, and  Incentives.

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