User-Centered Interaction Design Patterns for Interactive by Tibor Kunert (auth.) PDF
By Tibor Kunert (auth.)
When a brand new expertise – reminiscent of interactive electronic tv – is brought to a much wider viewers, ease of use is usually severe to luck. by way of concentrating on those usability concerns with the purpose of helping person attractiveness for interactive television, Tibor Kunert offers transparent instructions for designing the person interfaces on interactive television applications.
This suggestions is gifted within the type of layout styles, and a brand new process is proposed that is helping designers and builders to discover layout choices and to guage the trade-offs that have to be made on the way to maximise usability.
The forty two layout styles containing 185 guidance supply accomplished and empirically-validated counsel for designing interactive television consumer interfaces. A development language is built which might be used for designing particular purposes, for enduring usability, and for outlining company type instructions and constructing software templates that aid streamline the method of production.
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Additional resources for User-Centered Interaction Design Patterns for Interactive Digital Television Applications
2 Context of Use 29 The technical environment The physical environment Usability can be assessed only after the context of use has been specified. Therefore a context-of-use analysis is sometimes referred to as usability context analysis. The context-of-use analysis is an important phase in the usercentred design process of interactive applications (ISO 13407 1999). In a context-of-use analysis the requirements and constraints of using the application are identified. For iTV applications, only very few publications analysing the context of use are available.
According to this classification the BBC distinguishes between ‘‘schedule-busting services’’ and ‘‘engaging services’’. Each class is split up into two subclasses (Somerville 2004). While the subclasses of ‘‘schedule-busting services’’ are based on production specifics, the subclasses of ‘‘engaging services’’ are based on the degree to which users are involved in programmes. 1 Schedule-Busting Services ‘‘Schedule busters for us is when creating interactivity or creating content or making content available around an event makes it bigger than the schedule.
Context of use means ‘‘the users, goals, tasks, equipment (hardware, software and 28 2 Interactive TV Applications and Their Context of Use materials), and the physical and social environment, for the purpose of achieving particular goals’’ (ISO 9241-11 1998, p. 2). Summarising, the context of use includes: Users User goals and tasks Equipment Environment The user is ‘‘the person who interacts with the product’’ (ISO 9241-11 1998, p. 2). Whoever interacts with an iTV application can be called a user, a viewer or a consumer depending on the perspective taken (Chorianopoulos 2004).
User-Centered Interaction Design Patterns for Interactive Digital Television Applications by Tibor Kunert (auth.)