which of the following persons has the greatest risk of developing a substance-induced psychosis? responses a person whose mother was diagnosed with schizoaffective disorder. a person whose mother was diagnosed with schizoaffective disorder. a person whose family has a history of treatment for abuse of barbiturates. a person whose family has a history of treatment for abuse of barbiturates. a person who deals cocaine and uses it themselves from time to time. a person who deals cocaine and uses it themselves from time to time. a person who is feeling overwhelmed at work and who has begun drinking to cope.