psychological functioning

psychological functioning
What effects does stress have on psychological functioning (e.g., burnout and PTSD)?
Research paper should be 800-1000 words (3-4 double-spaced pages), and must be written in APA Style (6th ed.), using Times New Roman 12-point font size, and one-inch margins all around. It is required to include the author, date, and page or paragraph reference for all citations.