Daniel Daring is an emerging playwright whose works have begun to stir great passions in the major U. S. cities where they are staged. Researcher Eugenia Edge is "shadowing" Mr. Daring for six months in an attempt to understand the artistic process. Dr. Edge is probably employing a methodology.
a. case study
b. grounded theory
c. phenomenological
d. content analysis

The ansswer is a. case study.

Explanation:

A case study is a research method that consists in analysing a single case, person or event. The information gathered can then be generalised in order to predict future events, or to understand current situations.

The greatest advantage of case studies is that they are usually inexpensive and provide high validity. However, it's possible that the studied person or group doesn't reflect the characteristics of a larger population.

answer; biological;