nurses in all settings need to strive to learn about existing or emerging mid-range theories

In this module’s introduction, the following assertation is made: “Therefore, nurses in all settings need to strive to learn about existing or emerging mid-range theories, or seek to develop and describe theories that will explain phenomena they observe in practice?” APA, 150 words or more, two or more references.
Given the demands, we all face in our practices, how can we tangibly “seek to develop and describe theories that will explain phenomena they observe in practice?”