tokens: METHOD : One hundred twelve subjects ( 70 % male ; mean age = 23 . 3 years [ SD = 5 . 1 ] ) with first - episode schizophrenia ( 75 % ) , schizophreniform disorder ( 17 % ) , or schizoaffective disorder ( 8 % ) were randomly assigned to treatment with olanzapine ( 2 . 5 - 20 mg / day ) or risperidone ( 1 - 6 mg / day ) .