Dr Henry Conducts an Epidemiological Study to Assess the Lifetime

Multiple Choice

Dr. Henry conducts an epidemiological study to assess the lifetime prevalence of schizophrenia in the United States. Dr. Henry is assessing ____.

A) the percentage of people in the United States who suffer from schizophrenia
B) the number of people in the United States who have had schizophrenia within a certain period of time
C) the total proportion of people in the United States who have ever suffered from schizophrenia
D) the age of onset for people in the United States who have schizophrenia