Self-development can include the development of others, it occupies a place through roles such as these as a professor, a special teacher, either through personal competence such as: the skill of managers in developing the potential of employees or through professional service such as: providing training or evaluation, beyond self-improvement and developing others "Personal development" The field of practice for research has been called a field of practice. Personal development includes methods of learning programs, evaluation system, tools and techniques as an area of research. Personal development issues increase in scientific fields, review of higher education, business administration fields and books, and include any type of development, either economic or political. Or biological, organizational, or personal, the system requires if someone wants to know if the change has actually occurred, in the case of personal development the individual often acts as the main ruler of improvement or regression, but verification of the correctness of objective development requires the use of standard criteria for a system. Personal development, which may include goals or standards that define the end, strategies or plans to reach the goal, measurements and evaluation of development, and determine levels or stages of development methods, a nutrition advice system to provide information about the Changes.