People and Computers XIII

1. Front Matter

   Pages i-xiii

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2. Usability Testing: Methods and Empirical Studies

   1. Front Matter

      Pages 1-1

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   2. Usable Software and Its Attributes: A Synthesis of Software Quality, European Community Law and Human-Computer Interaction

      • Ronan Fitzpatrick, Catherine Higgins

      Pages 3-21

   3. Analysis of Problems Found in User Testing Using an Approximate Model of User Action

      • Wai On Lee

      Pages 23-35

   4. Software Support for Usability Measurement: An Application to Systems Engineering Data Exchange Development

      • James Britton, Linda Candy, Ernest Edmonds

      Pages 37-52

   5. The Persona Effect: How Substantial Is It?

      • Susanne van Mulken, Elisabeth André, Jochen Müller

      Pages 53-66

   6. The Influence of Target Size, Distance and Direction on the Design of Selection Strategies

      • Xiangshi Ren, Shinji Moriya

      Pages 67-82

   7. A Study of Two Keyboard Aids to Accessibility

      • Shari Trewin, Helen Pain

      Pages 83-97

3. Design: Process, Task Analysis, Requirements and Specification

   1. Front Matter

      Pages 99-99

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   2. Combining Goals and Functional Requirements in a Scenario-based Design Process

      • Hermann Kaindl

      Pages 101-121

   3. Understanding a Task Model: An Experiment

      • Nadine Ozkan, Cécile Paris, Sandrine Balbo

      Pages 123-137

   4. Analysing Requirements to Inform Design

      • Michele Ryan, Alistair Sutcliffe

      Pages 139-157

   5. Generalizing Claims and Reuse of HCI Knowledge

      • Alistair Sutcliffe, John Carroll

      Pages 159-176

   6. Detecting and Resolving Temporal Ambiguities in User Interface Specifications

      • Paul Chesson, Lorraine Johnston, Philip Dart

      Pages 177-188

   7. The Design of New Technology for Writing On-line Help

      • Cécile Paris, Nadine Ozkan, Flor Bonifacio

      Pages 189-206

4. Visual Interfaces

   1. Front Matter

      Pages 207-207

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   2. Representation Matters: The Effect of 3D Objects and a Spatial Metaphor in a Graphical User Interface

      • Wendy Ark, D. Christopher Dryer, Ted Selker, Shumin Zhai

      Pages 209-219

   3. The Effect of Layout on Dispatch Planning and Decision Making

      • William B. L. Wong, David O’Hare, Philip J. Sallis

      Pages 221-238

   4. Distortion-oriented Workspace Awareness in DOME

      • Philip Weir, Andy Cockburn

      Pages 239-252

5. Innovative User Interfaces: Multimedia and Multi-modal User Interfaces, Wearable Computers and Virtual Reality

   1. Front Matter

      Pages 253-253

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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.

• Accessibility
• Design
• Graphical User Interface
• Interaction
• Interface
• Layout
• Usability
• User Interfaces
• human-computer interaction (HCI)
• multimedia
• user interface
• virtual reality

• Queen Mary and Westfield College, London, UK

  Hilary Johnson

• CLIPS-IMAG, Grenoble cedex 9, France

  Lawrence Nigay

• School of Computing and Management Services, Shefffield Hallam University, Sheffield, UK

  Christopher Roast

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