The acronym "ADDIE" stands for Analyze, Design, Develop, Implement, and Evaluate. It is an Instructional Design model that has withstood the test of time and use. It is simply a "device" to help us think through a course's design. Though the model appears linear, it does not have to be followed rigidly or in a linear approach, especially if you already have course materials developed.
Inforgraphic: Personalized Course Development Techniques : This infographic illustrates various Instructional Design models. These approaches create more meaningful instructional experiences which make the acquisition of knowledge more efficient, effective and appealing. Kolb’s Learning Style, Gagne’s 9 Events, McCarthy’s 8 instructional events, ADDIE model and Prensky’s approach are pictorially depicted. http://endlessnetworking.blogspot.in/