Grounding in theory and research. Development of OD practitioners also need to have a solid grounding in the basic theory of transformational change and intervention as well as the broader disciplines that underpin those theories. Competent OD practitioners must be familiar with a variety of social sciences, including anthropology, sociology, psychology, political science and economics, and also a matter of national culture and philosophy of science, research methods and technology. Data reported here indicates the importance of increasing knowledge and technical expertise in these areas, and of course have to be adjusted to correct this deficiency. These are not small, and are effective in educating future OD practitioners of the new method to reveal a broad and deep knowledge base must be developed. It is true that no single educational program can address these issues in any depth is likely that the program should develop the ability to stand out and encourage candidates to match their needs with course offerings.