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Aim and Background: Fear of negative emotions plays an important role in maladaptive adjustment. When such emotions are experienced, individuals may be involved in emotional avoidance. Accordingly, the present study was conducted to investigate the role of mind wandering and mental time travel in predicting of fear of happiness. Methods and Materials: The research method was descriptive from type of correlation. The statistical population of this study was all students of Islamic Azad University of Birjand in the academic year of 2017-2018. The number of sample members in this study was considered to be 500. A cluster sampling method was used to select the sample. Data gathering was conduct using Fear of Happiness Scale (FSH), Mind Wandering Questionnaire (MWQ) and Mental Time Travel Scale (MTTS). Analyzing the data was carrying out by multiple regression. Findings: Findings showed that there is a positive and significant correlation between mind wandering and fear of happiness. Also, there is a negative and significant relationship between mental time travel (past and future) with fear of happiness. In addition, it was found that the fear of happiness were predicted through mind wandering, mental time travel in the past, and mental time travel in the future. The three models all account for over 19% of the variance fear of happiness (R Square= 0.19). Conclusions: The findings of the present study showed the roles of mind wandering and mental time travel in predicting of fear of happiness. Therefore, considering the role of these predictive variables by experts, therapists and planners seem to be necessary when working with students, and particularly in counseling and therapeutic centers.

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Aim and Background: Mind wandering and deviation from attention to work at present is common among adolescents and has negative consequences. The purpose of this study was to compare metacognitive therapy and its techniques (attention training, Situational attention refocusing), and acceptance and commitment therapy on the mind wandering adolescents.
Methods and Materials: The research method was semi-experimental with pre-test, post-test and follow-up design and the statistical population included 20837 adolescent girls in second grade secondary schools of Karaj in the academic year 1396-1397. A randomized multistage cluster sampling method was used to select 70 people who had the lowest score in the amount of wandering mindedness based on the measurement tool of the wandering minds. They were randomly assigned to five groups based on the criteria of the research. they got. Metacognitive Therapy, Attention training, Situational attention refocusing and Acceptance and Commitment therapy during 10 sessions a weekly, 90-minute test was performed individually for experimental groups. The collected data were entered into SPSS-23 software and a statistical method to analyze data from mixed analysis of variance is used.
Findings: The results of mixed analysis of variance showed that all four treatments were effective in reducing adolescent mind wandering and the effectiveness of metacognitive therapy was more than other treatments (P <0.01). This effect was also sustained at the 3-month follow-up.
Conclusions: Meta-cognitive therapy enables the adolescent to communicate with their mind wandering in a different way so that they are able to separate themselves from the mind wandering.

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Aim and Background: Depression is a common disorder in adolescence that has wide cognitive and social consequences; One of the cognitive consequences is mental confusion, which hurts the depressed person by exacerbating dysfunctional thoughts. Thus, this study was conducted to evaluate the effectiveness of Adolescent-Based Mindfulness Therapy on mind wandering and depressive symptoms.
Methods and Materials: The research method was quasi-experimental with pre-test-post-test design with control group and follow-up period. The study population was depressed adolescent girls who referred to psychological centers in Isfahan in 2022. From this population, 30 depressed adolescent girls were selected by purposive sampling method and randomly divided into experimental and control groups. Subjects responded to Beck Depression Inventory (BDI-II) and Mind Wandering Scale (MWS) in the pre-test, post-test and follow-up stages. The experimental group received 8 sessions of 60-minute adolescent-centered mindfulness treatment, while the control group did not receive any intervention. Data were analyzed by repeated measures analysis of variance using SPSS software version 26.
Findings: The results showed that there was a significant difference between the scores of depression and mind wandering of the groups in post-test and follow-up compared to pre-test. The effect of intergroup intervention variable is also significant in reducing depression and mind wandering. That is, adolescent-centered mindfulness therapy was able to reduce the scores of depression and mind wandering compared to the control group (p<0.001).
Conclusions: Based on the results, adolescent-centered mindfulness treatment can be used as an effective intervention option to help depressed adolescents and reduce their mind wandering.