University of Tehran Journal of Applied Psychological Research 2251-8126 12 1 2021 05 22 The Role of Mediating Positive and Negative Affect in the Relationship between Mindfulness and Psychological Well-Being of Ilam Students The Role of Mediating Positive and Negative Affect in the Relationship between Mindfulness and Psychological Well-Being of Ilam Students 351 368 81057 10.22059/japr.2021.306991.643594 FA Tayyebeh Kouchi Department of General Psychology, Ilam Branch, Islamic Azad University, Ilam, Iran Vahid Ahmadi Department of Psychology, Ilam Branch, Islamic Azad University, Ilam, Iran Shahram Mami Assistant Professor, Department of Psychology, Ilam Branch, Islamic Azad University, Ilam, Iran 0000-0003-2461-435X Arash Nademi Assistant Professor Department of Statictic, Ilam Branch, Islamic Azad University, Ilam, Iran. 0000-0003-4514-0691 Journal Article 2020 07 27 The present study investigates the mediating role of positive and negative affect in the relationship between mindfulness and psychological well-being of Ilam students. The statistical population of the study included all male and female students of Ilam universities (Azad and State) studying in these universities during the academic year 2019–2020. Therefore, 400 students were selected among these students through multistage cluster sampling method. The study method was descriptive-correlational and purposive. The research data were analyzed by structural equation modeling method using SPSS25 and Amos20 software. The tools used in this study to analyze the variables are: Reef Psychological Well-Being Scale (RSPWB), Five Facet Mindfulness Questionnaire (FFMQ), and Positive and Negative Affect Scale (PANAS). The standard coefficient of the indirect effect of mindfulness on students’ psychological well-being was 0.27 by positive affect and 0.20 by negative affect, which is significant at the P=0.001 level. These results suggest that the variables of positive effect and negative effect mediate the relationship between the variables of mindfulness and psychological well-being. Based on these results, it can be concluded that mindfulness can affect the psychological well-being of individuals by influencing the formation of positive and negative affect. The present study investigates the mediating role of positive and negative affect in the relationship between mindfulness and psychological well-being of Ilam students. The statistical population of the study included all male and female students of Ilam universities (Azad and State) studying in these universities during the academic year 2019–2020. Therefore, 400 students were selected among these students through multistage cluster sampling method. The study method was descriptive-correlational and purposive. The research data were analyzed by structural equation modeling method using SPSS25 and Amos20 software. The tools used in this study to analyze the variables are: Reef Psychological Well-Being Scale (RSPWB), Five Facet Mindfulness Questionnaire (FFMQ), and Positive and Negative Affect Scale (PANAS). The standard coefficient of the indirect effect of mindfulness on students’ psychological well-being was 0.27 by positive affect and 0.20 by negative affect, which is significant at the P=0.001 level. These results suggest that the variables of positive effect and negative effect mediate the relationship between the variables of mindfulness and psychological well-being. Based on these results, it can be concluded that mindfulness can affect the psychological well-being of individuals by influencing the formation of positive and negative affect. https://japr.ut.ac.ir/article_81057_a7062bc2c5edfdd2c7aebab9ab3c1cfd.pdf