two or more occasions in the past 6 months. This threshold increases to three or more occasions if a participant is 12 years of age or older. It is also important to note that the Kiddie Schedule for Affective Disorders and Schizophrenia (KSADs) assesses several major past and present substance use disorder diagnostic criteria [including alcohol, cannabis, stimulant (amphetamine-type), cocaine sedative, opioid, hallucinogen, phencyclidine (PCP), and inhalant use disorders] (see the ABCD Mental Health Workgroup article in this special issue).
