Table1.

NAPLS-2 and CIDAR Inclusion/Exclusion Characteristics for Control Participants

Variable	NAPLS-2	CIDAR
Adolescent Age Range	12-19	13-19
Screening for Axis I DSM-IV- TR Disorders	Structured Clinical Interview (SCID) for DSM-IV-TR, Non- patient edition (First, Spitzer, Gibbon, & Williams, 2002) for ages ≥18, or the Kid-SCID (Hien, et al., 1994) for subjects 13- 17 years of age,
Assessment of Prodromal Symptoms and Syndromes	Structured Interview for Prodromal Syndromes; (Miller, et al., 2003)
Exclusion Criteria	Current or past major DSM-IV-TR Axis I disorder, prodromal syndrome, schizotypal or other Cluster A personality disorders, significant traumatic brain injury or other central nervous system disorder, sensory motor handicaps interfering with test taking, psychiatric hospitalizations, history of electroconvulsive therapy, a first degree relative with psychosis, current or past use of antipsychotic medications, other psychotropic medication use within 6 months of study participation (except sleep medications or anxiolytic agents), IQ < 70, lack of fluency in English, DSM-IV-TR substance abuse in the past month or dependence in the last 3 months (excluding nicotine), current suicidality.