This document presents the proceedings of the 24th annual National Convention of the Association for Educational Communications and Technology (AECT) (Atlanta, Georgia, 2001). The proceedings is 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, which has over 60 papers. Topics include: professional development and teacher education; educational technology; computer mediated communication; cooperative programs; computer uses in education; technology integration; instructional design; distance education; interface design; instructional innovation; students' and teachers' reactions to technology-based programs; student motivation; partnerships in education; evaluation of instructional methods; learner-centered instruction; use studies; case studies; online communities; instructional material development; and Web-based programs. (AEF)