Subjects live with objects1: they observe objects, create objects, and use objects. The τ-theory (the Greek letter “τ” is pronounced as “TAO”, which stands for “Teleology Affordances Ontology”) is a theory about subjects (with purposes) and objects (with properties), and the possible relationships between them. It is rooted in the philosophical branches of teleology, including praxeology (the e...

This study analyses how gamification motivates users of gamified mobile exercise apps and enhances their health.Data from 276 Fitbit were analysed using structural equation modelling. The findings showed that feelings competence autonomy arise when include achievement progression-oriented affordances, relatedness with social, immersion affordances. They also revealed should satisfy the needs fo...

Knowledge needs to traverse through social and cognitive boundaries as it is transformed from information to innovation. Little is known, however, regarding what, if any, role various IT material constraints and affordances play in supporting multidisciplinary innovations involving the complexities of heterogeneous knowledge. The notion of affordance has been used in Human Computer Interaction ...

There is a massive shortage of teachers worldwide. This shortage is particularly acute in developing countries. Distance-oriented education has been hailed as one of the possible solutions for resolving this problem. In recent years, new generations of Webbased distance-oriented education models have come to the fore; the latest of which are MOOCs. In this paper, the issues and design considera...

This paper presents a comparison of three different speech based task communication methods using a simulated astronaut-robot geological exploration mission as a test case. The conventional task communication method, in which the astronaut needs to communicate both the action and target, is compared against communication methods where object affordances, i.e. object action possibilities, are us...