Epidemiologists Have a Difficult Time Pinning Down the Prevalence of Personality

question 68

Multiple Choice

Epidemiologists have a difficult time pinning down the prevalence of personality disorders because

• A) there is considerable overlap among categories in these disorders.
• B) there are too many dimensions to be measured.
• C) there is no agreement on the criteria for personality disorders.
• D) they are so rare.

Understand and calculate patient survival probabilities based on follow-up data.

Compute cumulative survival probabilities using interval-based data.

Identify and understand key assumptions underlying survival analysis techniques.

Recognize and explain the effects of violating assumptions in survival analysis.