Theory is a group of related concepts, definitions, and statements that describe a certain view of nursing phenomena and is used to clarify or suggest outcomes.
A theory is a thoughtful and intelligent kind of intellectual or explaining reflection or the consequences of such thought.
A logical theory is a well-substantiated description of any aspect of real nature, based on a group of facts that have been frequently approved by research and practice. Such fact-supported assumptions are not "opinions" but authentic records of the real life.
