Accessibility of ebook devices & digital documents
Abi James & EA Draffan
University of Southampton
B.D.A. New Technologies Committee
Why are ebooks helpful to dyslexic readers?• Recent studies suggest that for dyslexic readers:
– Allowing reader to select the font, size and colour can improve reading accuracy (Petrie et al, 2005)
– Reading shorter lines of text on a small screen can improve reading speed (Schneps et al, 2013)
– Hearing and seeing the text in a synchronised manner can improve reading speed, accuracy and comprehension (Stodden et al, 2012)
• These personalisations can be provided through ebooks if they are accessible and customisable
What is an accessible ebook? Users can….• Alter font size, style, spacing and justification
• Alter font and background colour
• Text can be read aloud
– User can select different voices and speed• Annotate the text
– Search– Notes & bookmarks– DictionaryBased on Web2Access (http://web2access.org.uk/)
What is an accessible ebook?
Accessible e-book
hardware
operating system
App / software
Distributor / shop
Publisher
content of the book
Devices & apps
e-Book platform accessibility: the JISC TechDis bridge model.
Content variations
Matrix approachto aid decisions• Multiple factors need to be considered
before committing to particular platform or device.
• Adapting Web2Access matrix approach to quantify ebook accessibility.
• Allows a score for device-app-content combination
Case study – I have to study Romeo & Juliet…..• Tested Romeo & Juliet in:
– PDF format– Kindle format– Generic ebook format with no copy restrictions
• 7 devices
• 10 apps on Android
• 4 apps on iPad and iPhone
• 4 ebook readers on Windows
• 2 Kindle devices
Case Study Results
• Scores ranged from 100% to 21%
• Top scoring app: 100% Voice Dream on iPad or iPhone for all book formats
• Tests that scored 75%+
– ebooks on iBooks on iPad or iPhone– Kindle books on iPad or iPhone (but low scores on other
platforms)– ebooks and text documents with Cool Reader (Android)– ebooks with Blio on iPad and iPhone
0.0%
10.0%
20.0%
30.0%
40.0%
50.0%
60.0%
70.0%
80.0%
90.0%
100.0%
Ebook accessibility rating: blue iOS apps, red Android apps, green
Kindle device, grey Windows apps
Recommendations
• Marketplace – app – device – content are all inter-dependent
• Although some Android apps scored highly it took considerable effort to ensure all accessibility option works
– TTS support was intermittent even within apps– Android OS and device variations add additional
complications• Books in the same app could have varying degrees of
accessibility depending on the platform.
• Consider before you purchase!
Keep watching this space….
“To be blunt, I don't think there is any "great" solution right now for online textbook sources as you have
limitations with all of them.”
Sean Keegan, Stanford University
ATHEN Email Forum, 26th March 2014
Thank You E.A. Draffan and Abi James, ECS Accessibility Team
http://access.ecs.soton.ac.uk
