Group a. Attenuated Psychotic Symptoms: Symptom scores of 3 on the PANSS delusions scale, 2-3 on the PANSS hallucinations scale, 3-4 on PANSS suspiciousness, or 3-4 on PANSS conceptual disorganization scale (frequency of symptoms ≥ 2 times/wk for a period of at least 1 week and not longer than 5 years, to have occurred within the last year)