Preface. Part I: Design and Development Approaches. 1. Principles and Methods of Development Research; J. van den Akker. 2. Educational Design and Development: An Overview of Paradigms; I. Visscher-Voerman, et al. 3. Systems Thinking in Instructional Design; G. Rowland, A.-M. Adams. 4. Educational Design and Development: A Study of Dutch Design Practices; I. Visscher-Voerman. 5. A Relational Approach to Curriculum Design; J. Kessels. 6. Walker's Deliberative Approach in a Small-scale Project: The SPIN-case; E. van den Berg. 7. Design and Development of Third Generation Distance Learning Materials: From an Industrial Second Generation Approach Towards Realizing Third Generation Distance Education; P. Kirschner, et al. 8. The Design and Prototyping of Digital Learning Material: Some New Perspectives; J. Moonen. 9. Supporting Instructional Design with an Information System; R. Limbach, et al. 10. Prototyping to Reach Product Quality; N. Nieveen. 11. The Potential of Formative Evaluation in Program Design Models; R. Maslowski, A. Visscher. 12. Instructional Design: A Conceptual Parallel Processor for Navigating Learning Space; R.M. Branch. Part II: Computer-Based Tools for Educational Design and Development. 13. Characteristics of Computer-based Tools for Education and Training Development: An Introduction; N. Nieveen, K. Gustafson. 14. The Guided Approach to Instructional Design Advising (GAIDA): A Case-based Approach to Developing Instructional Design Expertise; D. Gettman, et al. 15. An EPSS for Instructional Design: NCR's Quality Information Products Process; T. Jury, T. Reeves. 16. The PLATO®Courseware Development Environment; F. Preese, W. Foshay. 17. Visual Support for Authoring; R. Wright, et al. 18. Cognitive Tools to Support the Instructional Design of Simulation-based Discovery Learning Environments: The SIMQUEST Authoring System; T. de Jong, et al. 19. CASCADE &endash; SEA. Computer Assisted Curriculum Analysis, Design and Evaluation for Science Education in Africa; S. McKenney. 20. The TeleTOP Decision Support Tool (DST); B. Collis, W. de Boer. 21. Enabling Technologies to Design, Produce and Exploit Flexible, Electronic Learning Materials; M. Valcke, et al. 22. The IDXeleratorTM: Learning-Centered Instructional Design; D. Merrill, B. Thompson. 23. Intelligent Support for Instructional Development: Approaches and Limits; M. Spector. Information about Authors.