For the twenty-fifth year, the Research and Theory Division of the Association for Educational Communications and Technology (AECT) is sponsoring the publication of these Proceedings. Papers published in this volume were presented at the National AECT Convention in Dallas, TX. The Proceedings of AECT's Convention are published in two volumes. Volume 1 contains papers dealing primarily with research and development topics. Papers dealing with instruction and training issues are contained in Volume 2. Volume 2 contains over 60 papers. (Individual papers contain references and tables.) [For Volumes 1 and 2 of the 2001 proceedings, see ED470066.]