the effectiveness of group metacognition treatment on metacognition beliefs of women with breast cancer

objectives: the aim of present study was examining the effectiveness of group metacognition treatment on metacognition beliefs in women with breast cancer. method: in a quasi-experimental design, with pre-test and post-test and control group, 24 patients with a diagnosis of breast cancer, among patients who referred to the division of oncology and  radiotherapy of  imam hossein hospital  in tehran, were selected in available way and were assigned randomly to two groups, the first one receiving meta-cognition treatment (n=12) and one control group. participants completed metacognitions questionnaires (mcq-30) in 4 stages. data were analyzed by multivariate covariance analysis (mancova). results: findings showed that metacognition treatment with control of pre-test  has a significant effect  in reducing symptoms related to metacognition factors(positive beliefs about worry, uncontrollability and danger and need to control thoughts)in women with breast cancer in post-test and 2-month and 4-month follow-ups. discussion: results of this study showed metacognition treatment can be effective in reducing metacognition beliefs in women with breast cancer.