This yearbook is designed to provide media and instructional technology professionals with an up-to-date, single-source overview and assessment of the field of educational technology. It offers organized access to the hot topics, trends, issues, and advancements in the field, with comprehensive coverage of developments in theory, hardware, software, dissemination, applications, organizations, and delivery systems. The yearbook is divided into eight parts. Part 1 focuses on trends and issues and also offers a look to the future in "Educational Technology 2010: A Look Ahead" (Howard J. Sullivan and others). Part 2 covers the profession as a whole. Current developments in the field, such as constructivism, California's Action Program, and Project Choice, are discussed in Part 3. Part 4 is a leadership profile of Dr. Harry A. Johnson, recipient of the 1993 Association for Educational Communications and Technology (AECT) Distinguished Service Award. Part 5 provides reports from seven professional organizations. Several hundred pertinent organizations are listed in the annotated entries of Part 6. Part 7 covers graduate programs, scholarships, fellowships, and awards currently available in the field. Finally, Part 8 contains a resource list of media-related books, journals, articles, and ERIC documents. An index is provided. (TMK)