Which Piece of Evidence Does NOT Directly Support a Sociocultural

Which piece of evidence does NOT directly support a sociocultural perspective on the etiology of psychological abnormality?

A) General declines in psychological functioning are seen during economic downturns.
B) Schizophrenia is diagnosed more frequently among lower- than among middle- or high-SES individuals.
C) African Americans are more likely than White Americans to be involuntarily hospitalized for psychological disorders.
D) Traumatic childhood experiences are associated with bipolar disorder.