Locate 1 grand nursing theory and 1 middle-range nursing theory applied in a research study

Locate 1 grand nursing theory and 1 middle-range nursing theory applied in a research study.
Examine how each theory was applied within the research study.
Analyze the utility of grand and middle-range nursing theories to advance the discipline of nursing.
Analyze the impact of theory upon your advance nursing practice.
I attached the grade rubric, please follow up the instructions.

Theories of Practice
What is a theory?

Theory can be defined as “one or more relatively concrete and specific concepts that are derived from a conceptual model, the propositions that narrowly describe those concepts, and the propositions that state relatively concrete and specific relations between two or more concepts” (Butts & Rich, 2018, p. 101).

Theory is a hypothesis tested and measured to explain, predict, describe, and prescribe relationships between concepts and is developed through quantitative research.

The difference between a model and a theory is the amount of proof that exists in demonstrating the outcomes they predict. Both models and theories show relationships between concepts.

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