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Table of contents
Chapter 1: Introduction
The problem of disorientation
Orientation and visual communication
Purpose of the thesis
Restrictions
Research methods
Overview of the thesis
Chapter 2: Hypermedia - a summary of concepts
What is hypermedia?
Networks of nodes and links
Ways to present information on the screen
Reading hypermedia
Browsing and navigation
Hypermedia tools
Advantages and disadvantages of hypermedia
Chapter 3: The problem of disorientation
What is orientation?
The anatomy of a hypermedia system
World vision versus tunnel vision
Complex structures can disorient the user
The abstract nature of hypermedia
How disorientation problems can be reduced
Chapter 4: Communication with text and pictures - lexivisual presentation
Why study traditional media?
Lexivisual presentation
Orientation techniques used in lexivisual presentation
The visual language of comics
Voice balloons and graphical markers orient the reader
Layout and cut techniques used in comics
Chapter 5: Current techniques for orientation
Maps visualize the network of nodes and links
Multiple windows
Fish-eye views
Landmarks
Paths, history lists, guided tours and snapshots
Orientation in graphical computer games
Improving visual orientation techniques
Chapter 6: The solar system - an explorative study
Objectives of the study
Description of the test systems
Orientational features of the enhanced system
Evaluation procedures
Results from the questionnaires
Orientation and overview was better in the enhanced design
The network structure was perceived as flat
It is difficult to know where to click
Additional comments
Summary of results
Results from an independent study
Applicability to large systems
Chapter 7: Enhanced hypermedia structures
Interactive comic books
Interactive pictures
Graphical computer games
Object-oriented hypermedia tools
Orientation in future hypermedia structures
Chapter 8: Summary
Causes for disorientation
Summary of results from the empirical study
Design principles
Ideas for further research
Definitions
References
Acknowledgements