This study aimed to investigate mindfulness's effectiveness on the problem-solving styles of secondary school students of Garmsar city. The statistical population of this research was all second-year high school students of Garmsar city in the academic year 2022-2023. The sample included 341 students who were selected by random cluster sampling. The research tools included a standard questionnaire on mindfulness and a questionnaire on problem-solving styles. The data was analyzed by Lisrel and SPSS software. Considering that the effect of the mediator variable is considered, structural equation modeling was used for data analysis. The results showed that the five components of observation, description, action, awareness, non-judgment, and non-reaction affected the problem-solving styles of secondary school students of Garmsar city. Based on the obtained results, mindfulness can affect problem-solving techniques. Based on the obtained results, mindfulness can influence problem-solving styles. Therefore, the results of this study can have important implications in the field of education, such as the effectiveness of mindfulness on problem-solving for educational professionals.
