Which of the following is not vital to nursing research?

A) Demonstrating the efficacy and efficiency of nursing actions
B) Developing appropriate nursing interventions
C) Testing discoveries and interventions
D) Investigating the domain of nursing

Nursing Research

The systematic investigation and study of materials, sources, and nursing practices with the aim to establish facts and reach new conclusions to enhance nursing care.

Efficacy and Efficiency

Efficacy refers to the ability to produce a desired or intended result, while efficiency denotes the achievement of such results with minimal waste of resources.

Nursing Actions

Specific interventions or measures taken by nursing professionals to care for patients, aiming at improving their health and well-being.