Participants aged @ years or older with DSM-IV schizophrenia or schizoaffective disorder , and their primary caregivers , from four outpatient mental health clinics in Jordan , were randomly assigned to receive @ weeks of a booklet form of psycho-education , with follow-up phone calls , and treatment as usual -LSB- TAU -RSB- ( intervention , n = @ ) , or TAU ( control , n = @ ) .