Although traditional instructional design and technology (IDT) has largely been based on objectivism,in the past 20 years,constructivism has emerged as a dominant frameworkfor IDT.Both perspectives,however,present short comings. This paper explores enactivism an emerging new philosophical world view as an alternative paradigm. It also investigates the possibilities offered by this new paradigm to IDT.The philosophical world view known as enactivism is reviewed to illustrate the similarities and differences among the three hilosophical paradigms,namely,objectivism,constructivism and enactivism. Finally, details of enactivism and its implications for IDT are explored.