Usability Engineering
Bridging the gap: between accessibility and usability
interactions - Bridging the gap
Web usability and age: how design changes can improve performance
CUU '03 Proceedings of the 2003 conference on Universal usability
A study of web usability for older adults seeking online health resources
ACM Transactions on Computer-Human Interaction (TOCHI)
Usability engineering methods for software developers
Communications of the ACM - Interaction design and children
The relationship between accessibility and usability of websites
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Ambient intelligence in assisted living: enable elderly people to handle future interfaces
UAHCI'07 Proceedings of the 4th international conference on Universal access in human-computer interaction: ambient interaction
On some aspects of improving mobile applications for the elderly
UAHCI'07 Proceedings of the 4th international conference on Universal access in human computer interaction: coping with diversity
Trustworthy and inclusive identity management for applications in social media
HCI'13 Proceedings of the 15th international conference on Human-Computer Interaction: users and contexts of use - Volume Part III
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Despite the overlapping scope and aims of web-usability and web-accessibility (such as problems in using the web and the barriers in accessing the web) threre are only few studies which analyse the connections between the two areas. The present study investigates the relationship between web-accessibility and web-usability. To analyse this relationship we have designed an online test environment. We developed three complete internet presences (testportals), each one with a different level of accessibility. 131 test users were recruited viewed these three testportals and rated their usability. The instrument to evaluate usability was an especially modified and reduced version of the Web Usability Index (WUI) which was made available online in the form of a questionnaire. The central question this study sought to answer was: is there a difference in the usability ratings between websites with different levels of accessibility? The findings resulting from the central question were clear. The mean values show a significant difference in the usability ratings of the three portals. Other question our study sought to answer were the influences of the disability and the age factors. These influences are partly significant.