Book excerpt: Design and development research, which has considerable implications for instructional design, focuses on designing and exploring products, artifacts and models, as well as programs, activity, and curricula. Instructional Technology Research, Design and Development: Lessons from the Field is a practical text on design and development research in the field of instructional technology. This book gives readers an overview of design and development research and how it is conducted in different contexts and for various purposes. Further, this reference source provides readers with practical knowledge on design and development research gained through investigation of lessons learned in the field.