Abstract
The new instructional design model (Isman - 2011) aims at planing, developing, implementing, evaluating, and organizing full learning activities effectively to ensure competent performance by students. The theoretical foundation of this model comes from behaviorism, cognitivism and constructivism views. And it's based on active learning. During teaching and learning activities, learner is active and uses cognitive learning to construct new knowledge. To construct new knowledge, educational technology materials are used. These materials are connected with goals and objectives. This study examines the effectiveness of the instructional design model (Isman - 2011) in developing the students teaching skills (Planning Teaching Domain) by redesign "General teaching methods course - curr 233-", which taught to the sixth level students at teachers' college, King Saud University. The sample of the study consisted of 80 students that enrolled in the second semester 2010/2011, they were divided into two groups of 40 students each, (an experimental group and a control group). The result comes by administered pre- post teaching skills test to find out the model has strong effectiveness in achieving the research aims especially in developing the student teaching skills.