Instructional models are used by Instructional Designers as a visual representation or framework of the systematic process of instruction. The practitioners working in the design domain base their decision making on instructional models that are based on research and theories in the discipline of Instructional Technology. During analysis and design designers select the best delivery system for instruction as well as sequencing the instruction into chunks for effective learning. It is important to note that the focus of this domain is on the design of instruction. After the analysis has been completed the Instructional Designer determines the goals and objectives, selects or designs the proper instructional strategies to use, determines the assessment strategies, selects or designs the learning materials, decides on the proper implementation of the instruction, and plans for the evaluation. During the design phase, the Instructional Designer employs a systematic approach by analyzing the learner, conducting a performance analysis to determine the needs, identifying the goals for instruction by assessing and analyzing the learning environment. The purpose of design is to create strategies and products at the macro level, such as programs and curricula, and at the micro level, such as lessons and modules” (Seels and Richey, 1994, p.
" Design is the process of specifying conditions of learning.
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