The need for ensuring that usability measurement results can contribute to the ongoing development of a software product in a formative way is the main theme of this paper. It is recognized that acquiring, structuring, and analysing data about the actual progression of a product's development is a challenging task. Even more difficult, is the problem of making the results of any analysis of that data readily accessible to all the participants at regular intervals in the process. The paper presents an approach to supporting that process exemplified in SEDRES (Systems Engineering Data Representation and Exchange Standardization), a European Aerospace collaborative project on developing a data exchange capability for design tools. The main subject is the role of a software tool called NUD*IST (Non-numerical Unstructured Data Indexing Searching and Theorizing) (QSR, 1997), in providing support for structuring and analysing longitudinal data and for regular feedback to the project partners about the product under development. The paper begins with an overview of the context of use, a systems engineering project involving five major companies in the European Aerospace industry. SEDRES is a three year project which started in January 1996, co-funded by an ESPRIT grant from the European Commission. The project partners comprise Aerospatiale, Alenia, British Aerospace, Daimler-Benz Aerospace, Saab and Linkoping University (Sweden), the Australian Centre for Test & Evaluation (ACTE), and Loughborough University Telecommunications and Computer-Human Interaction (LUTCHI) Research Centre.
Usable Software and Its Attributes: A Synthesis of Software Quality, European Community Law and Human-Computer Interaction.- Analysis of Problems Found in User Testing Using an Approximate Model of User Action.- Software Support for Usability Measurement: An Application to Systems Engineering Data Exchange Development.- The Persona Effect: How Substantial Is It?.- The Influence of Target Size, Distance and Direction on the Design of Selection Strategies.- A Study of Two Keyboard Aids to Accessibility.- Combining Goals and Functional Requirements in a Scenario-based Design Process.- Understanding a Task Model: An Experiment.- Analysing Requirements to Inform Design.- Generalizing Claims and Reuse of HCI Knowledge.- Detecting and Resolving Temporal Ambiguities in User Interface Specifications.- The Design of New Technology for Writing On-line Help.- Representation Matters: The Effect of 3D Objects and a Spatial Metaphor in a Graphical User Interface.- The Effect of Layout on Dispatch Planning and Decision Making.- Distortion-oriented Workspace Awareness in DOME.- Towards Principles for the Design and Evaluation of Multimedia Systems.- How Can Multimedia Designers Utilize Timbre?.- Using Earcons to Improve the Usability of a Graphics Package.- A New Concept Touch-Sensitive Display Enabling Vibro-Tactile Feedback.- Preliminary Investigations into the Use of Wearable Computers.- On the Problems of Validating DesktopVR.- Author Index.- Keyword Index.
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