Comparison of the Effectiveness of Psychological Education Based on Olson Model and McMaster Model on Family Cohesion of Schizophrenic Patients in Bushehr, Iran

Background: family cohesion affects the health, mental and physical well-being, academic achievement, and emotional health of the family through the disturbing family environment and creating feelings of depression, aggressive behaviors, and delinquency, and disrupting family members' self-concept.objectives: this study aimed to compare the effectiveness of psychological education based on olson's model and mcmaster's model on family cohesion of schizophrenic patients in bushehr, iran.method: this study was conducted based on a semi-experimental pretest-posttest design and follow-up. the statistical population consisted of 425 patients in all families of schizophrenic patients who underwent treatment in the medical centers in bushehr (both governmental and non-governmental) in 2019. the eligible samples (n=45) were selected by convenience sampling method from the parents of schizophrenic patients and randomly assigned to the experimental and control groups. the required data were collected using a questionnaire, namely the family adaptability and cohesion scale (olson, 1999) and analyzed in spss software (version 22) using multivariate analysis of covariance and post-test.results: the results showed that psychological training based on the olson and mcmaster models effectively improved the family cohesion of schizophrenic patients (p<0.001); however, the mcmaster model was more effective than the olson model (p<0.001).conclusion: according to the findings, the provision of psychological services was necessary to promote and cohere the families of schizophrenic patients; therefore, the olson and mcmaster models can be used to promote and cohere the families of schizophrenic patients and provide the ground for their psychological care.