Background and Purpose: This study aimed to compare the effectiveness of mindfulness-based stress reduction (MBCR) and acceptance and commitment therapy (ACT) on anxiety and executive function among professional adolescent chess players.
Method: This study is a quasi-experimental pretest-posttest with a control group. The population consisted of professional adolescent chess players in Karaj in 2019. The study sample consisted of 45 (15 for each group) adolescent chess players selected by purposive sampling. They were randomly assigned to each group. Instruments for gathering data were Beck Anxiety Inventory-II (1996) and London Computer-based Tower Test (Shallice, 1982). The MBSR group and ACT received eight sessions, while the control group did not receive any treatment.
Findings: The results indicate that MBCR and ACT significantly impact anxiety and the executive function of chess players (p<0.05).
Conclusion: Sports psychologists can accordingly use these methods to improve anxiety and executive function in athletes.
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