Many of the social, political, econological, and economic problems that have reached epidemic proportions today are threatening the very fabric of this nation. Some of these problems are relative to many issues, such as homelessness, illiteracy, drug addiction, and decreated social, personal, and familial values along with pollution, nuclear threat and a health care system that is seriously flawed and frayed at the seams.

The challenge of cultural diversity and the increasing development of the field of informatics are paramount to the profession as a discipline and challenges personal and professional values ethics and beliefs. Finally the role of nursing continues to change to meet the need of a global community and to remain central to a health care system that realizes nursing shortages and define practice based on theory and knowledge.

Despite great advances in the sciences, knowledge of research tools, a know-how for improving outcomes, better understanding of risk factors, and an awareness of inequities; barriers to care, morbidity and mortality statistics still show the need for pertinent, critical and appropriate data collection and interpretation.

The HUB model features "A Revolutionary approach" for the Twenty-first century with utilitarian attributes that may be viewed as the pedagogy for revising and restructuring current programs while creating new and innovative ones. HUB possesses value, for theory and practice that demonstrates a commitment to improve current situations, provide quality service and thus create change for better practice. The HUB model is evidence based and practical for, data collecting, needs assessment, hypothesis testing, data analysis (summarizing data), program planning and intervention that may be applied to day to day problems. HUB is also practical for identifying funding needs, policy making and on-going evaluation that will impact costs. The model is essential for providing the basis of holistic care.