Title: 
Headings: 
Nursing  theories
open access articles on Nursing  theories and models
Development  of Nursing Theories
Introduction
Definition
Importance  of nursing theories
The  characteristics of theories
Basic processes  in the development of nursing theories
General System Theory
Adaptation Theory
Developmental Theory
Common  concepts in nursing theories
Historical  perspectives and key concepts
A. Depending  On Function (Polit et al 2001)
B. Depending on the  Generalisability of their principles
C. Principles of the  discipline can be identified.
D. Based on the  philosophical underpinnings of the theories
1. “Needs” theories
2.“Interaction” theories
3. “Outcome” theories"
4. “Humanistic” Theories
Conclusion
References

Content: A conceptual  framework - directs how these actions are carried  out. The delivery of nursing care within the nursing process  is directed by the way specific conceptual frameworks &  theories define the person (patient), the environment,  health & nursing. Importance  of nursing theories
Nursing theory aims to describe, predict and explain the  phenomenon of nursing (Chinn and Jacobs1978). It should provide the foundations of nursing practice,  help to generate further knowledge and indicate in which  direction nursing should develop in the future (Brown  1964). Theory is important because it helps us to decide what we  know and what we need to know (Parsons1949). It helps to distinguish what should form the basis of  practice by explicitly describing nursing. The benefits of having a defined body of theory in  nursing include better patient care, enhanced professional  status for nurses, improved communication between nurses,  and guidance for research and education (Nolan 1996). The main exponent of nursing – caring – cannot be  measured, it is vital to have the theory to analyze and  explain what nurses do. As medicine tries to make a move towards adopting a more  multidisciplinary approach to health care, nursing  continues to strive to establish a unique body of  knowledge. This can be seen as an attempt by the nursing profession  to maintain its professional boundaries.