The assignment is about post-traumatic stress disorder (PTSD). The objective of this assignment is to explore the independent variables (causes) of PTSD in association with natural disasters such as earthquakes, floods, hurricanes, and tornadoes. You are being asked to find a website that describes how a particular exposure to a natural disaster has caused PTSD. The independent and dependent variables must be identified and a brief explanation must be provided of how you might study this phenomenon as a social psychologist. .