In spite of the goodwill and best efforts of software engineers and usability professionals, systems continue to be built and released with glaring usability flaws that are costly and difficult to fix after the system has been built. Although user interface (UI) designers, be they usability or design experts, communicate usability requirements to…

This thesis is about a design process for creating "educationally relevant" tools. I submit that the key to creating tools that are educationally relevant is to focus on ensuring a high degree of alignment between the designed tool and the broader educational context into which the tool will be integrated. The thesis presents methods and processes…

Students need to know how to find and use information, yet only 31 percent of information searches succeed. Google and Wikipedia are not the only providers of answers, although they are often students' first stops for information. Everyone knows how to open a browser, but can teachers assume they know how to search effectively for information? In…

Contextualised and ubiquitous learning are relatively new research areas that combine the latest developments in ubiquitous and context aware computing with educational approaches in order to provide structure to more situated and context aware learning. The majority of recent activities in contextualised and ubiquitous learning focus on mobile…

Interactive television (iTV) is a new media technology that has great potential for supporting second language learning, particularly for independent adult learners. It has many characteristics demanded by modern second language (L2) learning theories and is technologically quite sophisticated. However, in order for it to succeed it needs to fit…