The ISD Model was designed to solve human performance problems (U.S. Department of Defense, 1975). The figure shown below is a flowchart of the ISD model. It was first established by Florida State University in conjunction with the Department of Defense, but can now be found in almost any type of organization .It grew out of the ‘systems analysis’ concepts that became popular after World War II and is probably the most extensively used instructional design model in use today.
Instructional Design (also called Instructional Systems Design (ISD)) is the practice of maximizing the effectiveness, efficiency and appeal of instruction and other learning experiences. The process consists broadly of determining the current state and needs of the learner, defining the end goal of instruction, and creating some "intervention" to assist in the transition.
Instructional design is the systematic specification of instruction to include: presentation, activities, materials, guidance, feedback and evaluation. It applies learning principles to decisions about information content, instructional method, use of media and delivery system.
The goal is to ensure instructional quality, effectiveness, efficiency and enjoyment. The purpose of instructional design is to maximize the value of instruction for the learner — especially the learner's time. Instruction provides a concentration of life-experience into a shortened, optimized time frame and provides feedback to ensure that learning objectives are actually being achieved. Ideally, instruction allows the knowledge, wisdom, and skills of an instructor-author to be personally communicated or demonstrated to a learner.
MODEL OF ISD:
The most common model of Instructional System Design is ADDIE, which stands for Analyze, Design, Develop, Implement and Evaluate. ADDIE is an approach for creating the best instruction in an organized, efficient, and effective