en روانشناسی ورزشی و شاخه‌های وابسته بدان Sport Psychology and its Related Branches مقاله اصیل Original Article <div style="text-align: justify;"><strong>Background. </strong>In 2016, studies on the psychological characteristics of Futsal athletes in Thailand began to appear using the Psychological Characteristic Questionnaire for Elite Futsal Athletes in Competition. However, it was found that the questionnaire mentioned above had not been analyzed for construct validity. Therefore, an additional assessment of the questionnaire, using the Confirmatory factor analysis, is required to validate the Construct Validity of the questionnaire.<br> <strong>Objectives. </strong>This research aims to validate the construct validity of the questionnaire.<br> <strong>Methods. </strong>The samples are professional Futsal athletes who participated in Thailand Futsal competitions in 2020 and 2021, with an average age of 24.35 years and an average career length of 4.62 years, for 303 players. The instruments used include the 41-item Psychological Characteristic Questionnaire for Elite Futsal Athletes in Competition. The questionnaire covers two aspects, namely, the psychological factors and the psychological strategies. The data was collected by asking the samples to complete the questionnaire, which takes approximately 20-25 minutes.<br> <strong>Results. </strong>The result reveals that the model has a moderate level of Goodness-of-Fit (reasonable fit) (CFI=0.97, RMSEA=0.078, x2/df=2.81) and that the psychological characteristics of elite Futsal athletes in competition can be divided into two aspects, namely, the psychological factors and the psychological strategies. The psychological factors consist of 6 elements: confidence and freedom from anxiety, motivation, remaining present, dedication and commitment, confidence in teammates, self-discipline, and ball-playing intelligence. The psychological strategies consist of 6 elements: positive self-talk, relaxation, encouragement, harmoniousness with teammates, cherishing models, motto, vision, thoughts, feelings, and playing behavior management. The questionnaire&#39;s overall reliability score &ndash; the Cronbach&#39;s alpha coefficient &ndash; is 0.96.<br> <strong>Conclusion. </strong>The result confirms that the questionnaire can assess the psychological characteristics of elite Futsal athletes in competition.</div> Elite Futsal Athletes, Psychological Factors, Psychological Strategies, Psychological Questionnaire 0 0 http://aassjournal.com/browse.php?a_code=A-11-2352-1&slc_lang=en&sid=1 Wichai Yeemin wichai.yee@allied.tu.ac.th 100319475328460016734 100319475328460016734 Yes Department of Sports Science and Sports Development, Faculty of Allied Health Science, Thammasat University, Pathum Thani, Thailand Supatcharin Kemarat SUPATCHARIN.KEM@ALLIED.TU.AC.TH 100319475328460016735 100319475328460016735 No Department of Sports Science and Sports Development, Faculty of Allied Health Science, Thammasat University, Pathum Thani, Thailand Apiluk Theanthong APILUK.THE@ALLIED.TU.AC.TH 100319475328460016736 0009-0005-3011-6076 No Department of Sports Science and Sports Development, Faculty of Allied Health Science, Thammasat University, Pathum Thani, Thailand