While driving home ten months ago, Al observed a devastating accident in which an 18-wheeler plowed into the back of a small car that exploded in flames, killing its driver.
Since that time, Al has experienced a number of stress-related symptoms and constantly thinks about the accident. What is the most likely diagnosis in this case?
a) dissociative fugue
b) acute stress disorder
c) dissociative amnesia
d) posttraumatic stress disorder
Question 2
Causal relationships are best identified by which design?
a) case study
b) epidemiological
c) correlational
d) experimental