The original sample from which our participants were drawn consisted of 144 children (72 female), recruited via mass mailing list provided by the credit mailing company Experian, targeting the towns surrounding New Haven, Connecticut, USA. Among the total sample, 109 children (52 female) provided sufficient artifact-free EEG data for this report. All children were assessed between 4:30 and 5:30 p.m. Children were fluent in English with no evidence of serious mental illness (e.g., psychosis) as assessed via a parental telephone screen. The mean age of the children was 13.67 (SD = 2.11). The ethnic backgrounds of the children were 8.3 % African American, 6.4 % Hispanic, 6.4 % Asian, 1.8 % Native American, 76.2 % Caucasian, and 0.9 % other ethnic background. Children were grouped by age into three groups: 10-12 years (n=43); 13-14 years (n=34); and 15-17 years (n=32) (see Table 1 for age and sex breakdowns). The sample participants were mainly from stable middleclass families. Ninety-five percent of children were living with their biological mother. Mothers reported 84.4% of the time that they were either married or in
