Roberto has experienced disorganized speech and hallucinations for the past six years. He has also experienced several major depressive episodes during this time period. Roberto would most likely receive

a. a diagnosis of comorbid schizophrenia and bipolar disorder
b. a diagnosis of schizoaffective disorder
c. a diagnosis of schizophreniform disorder
d. a diagnosis of delusional disorder
e. a diagnosis of major depression

Answer: b. a diagnosis of schizoaffective disorder