Discuss how theory is used in a healthcare and research – Nursing School Essays

you are to discuss in a professional paper the definition of a theory and how theory impacts or is used in healthcare and research. You must cite a minimum of 4 references. Included in the paper is to create a visual display showing the parts of a theory. Every assignment in this course must have references, citations, and a title page. All must follow APA format and completed in a Word document