Mariela has written a scientific paper about a young man who…

Mariela has written a scientific paper about a young man who suffered severe pelvic injuries during his wartime service. In her paper, Mariela discussed both the psychological and physical effects of the injuries, and outlines the course of treatment the young man has pursued to adjust to his injuries. To write this paper, Mariela interviewed the young man and members of his treatment team, and was provided with access to his medical records. Mariela’s paper is an example of a(n)  ___________.