Set of concepts, definitions and relationships derived from nursing models and project a purposive, systematic view of phenomena by designing specific inter-relationships among concepts is : nursing theory.
It is used to describe and explain a nursing action in order to make a hypothesis or predict its effects on the outcomes of client like improved health or recovery from illness.
Main purpose of nursing theory is to to generate a scientific knowledge. A conceptual model of nursing provides framework for reflection, observation and interpretation of phenomena. It also provides guidelines and for aspects of clinical practice.
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