Participants aged 18 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 12 weeks of a booklet form of psycho-education , with follow-up phone calls , and treatment as usual [ TAU ] ( intervention , n = 58 ) , or TAU ( control , n = 63 ) .