which nursing theorist defined the four levels of anxiety
The theories also seek to define what it is that nurses know and do as a separate autonomous discipline that is only recently being granted its autonomy. There are four levels of theory: Grand Theory, Metatheory, Middle Range Theory, and Practice Theory. Many other theories fall into these categories. To read more of the four levels of Nursing Thories and Sub-Theories go to http://www.topnursingcolleges.com/nur/nursing-theories-and-sub-theories.html.