Nonclinical participants were recruited via campus mailings to university
employees and screened for history of psychopathology. Individuals could
not meet past or present criteria for a SSI and could not have any firstdegree
relatives with a psychotic or affective disorder. Exclusion criteria for
SOCIAL SKILL IN PSYCHOSIS 201
all groups included a history of neurological injury or meeting current
criteria for substance abuse or dependence.