Professional Development: Module 4Usefulness of Research in Grand Theory NursingResearch validates and modifies theory and, in doing so, the potential for knowledge development nurses is increasing (McEwen and Wills, 2011). In Helen C. Erickson, Evelyn M. Tomlin, and Mary Ann P. Swain: Modeling and Role Modeling Theory, the belief is “that nursing is a nurse-client relationship” (McEwen and Wills, 2011, p, 158). Role modeling theory provides expectations and associations that are testable and continue to be a strong focus in research. The major principles of role modeling theory are intervention goals, intervention objectives, and data categories. The five goals of interventions are to establish trust, to promote confidence, to promote a positive orientation by nurturing self-esteem and hope, to promote client control, to affirm and promote the strengths of the client and set mutual and oriented goals (Nursing Theory, 2013). education, practice and research. It encompasses the patient's perspective and understanding of nursing processes. As Parker (2007) reports, additional research is needed to comprehensively develop and strengthen the modeling essential for influencing patient care. Evaluations performed by researchers can be essential for developing appropriate modeling examples for future nursing practice and for ensuring that health care team practices conform to the highest ethical standards. Contrasting Two Major Nursing Theories Virginia Henderson: The Principles and Practice of Nursing Henderson's main concepts were to connect nursing, patient health, and the environment. She believed that "the unique function of the nurse is to assist the person, sick or healthy, in carrying out the activities described...... middle of article ......derson - Theoretical foundations of nursing. Retrieved from http://nursingtheories.weebly.com/virginia-henderson.htmlGonzalo, A.G. (2011). Florence Nightingale - Theoretical foundations of nursing. Retrieved April 15, 2014 from http://nursingtheories.weebly.com/florence-nightingale.htmlMcEwen, M. and Wills, EM (2011). Philosophy, science and nursing. In Theoretical Basis of Nursing (3rd ed.). Philadelphia, PA: Wolters Kluwer/Lippincott Williams & Wilkins.Nursing Theories (September 9, 2013). Virginia Henderson's Nursing Theory. Retrieved April 15, 2014, from http://currentnursing.com/nursing_theory/Henderson.htmlNursing Theory (2013). Erickson's Theory - Nursing Theory. Retrieved April 16, 2014 from http://nursing-theory.org/theories-and-models/erickson-modeling-and-role-modeling-theory.php