When a Web-Based Survey Was Conducted of Adults Across the United

When a web-based survey was conducted of adults across the United States after the World Trade Center and the Pentagon were attacked on September 11,2001,what did researchers find?

A) individuals who watched more television coverage had fewer symptoms of PTSD.
B) the attacks on the Pentagon significantly raised the incidence of PTSD in the Washington D.C.area.
C) the group most affected were those who lived in the New York City metropolitan area.
D) less exposure to television coverage raised the probability of the occurrence of symptoms of PTSD.