T HIS ARTICLE SYNTHESIT:ES RESEARCH on technology integration in education with specific attention to the effects of computer-mediated environments on cognitive development, technology utilization in schools, and infusing technology in pre-service teacher education. The article identifies inadequate teacher preparation as the critical factor constraining effective technology deployment in schools and summarizes main ideas for transforming teachereducation institutions into 21 st Century learning environments. (Keywords: instructional technology, curriculum change and development, computers and teacher education, technology integration, new technologies) 121 INSTRUCTIONAL TECHNOLOGY