In what era is the outcome of Nursing theoretical works shift the focus to the patient?

Which era has emphasis on carving out an advanced role and basis for nursing practice?

This is defined as specific to academia and refers to a branch of education , a department of learning or a domain of knowledge.

A nurse tries to gather / collect data so the physician can have a diagnosis of the patient. This example falls under what principle of Epistemology?

This is a set of statements that tentatively describe, explain, or predict relationships among concepts that have been systematically selected & organized as an abstract representation of some phenomenon (Powers & Knapp)