The Twelfth IASTED International Conference on Computers and Advanced Technology in Education (CATE 2009) will act as a major forum for the presentation of innovative ideas, approaches, developments, and outcomes of research projects in the area of technology-based education as well as the exchange of information between researchers, faculty, administrators and practitioners. Main groups of conference topics include but are not limited to applications of advanced technology and software-hardware systems for modern teaching and learning, best practices and case studies on innovative technology-based teaching strategies and instructional design approaches, institutional strategies and policies on technology-based education and training, technology-based open and distance education, national and international projects and collaboration, and technology as an enabler of globalization of education. All papers submitted to this conference will be double-blind peer reviewed by at least two members of the International Program Committee and related technical committees. Acceptance will be based primarily on originality, significance, technical soundness, presentation, and references. The conference chair makes the final decision on the acceptance or rejection of the paper. CATE 2009 will be held in conjunction with the IASTED International Conferences on: · Human-Computer Interaction (IASTED-HCI 2009)