Psychometric Characteristics of the Two-Factorial Questionnaire of Executive Dysfunctions among Adolescents

The purpose of this study was to investigate the psychometric properties of the two-factor questionnaire of executive dysfunction among adolescents. The method of the research was descriptive and psychometric research. The statistical population of the research consisted of all the male students aged 12 to 18 years of East Azerbaijan province in the academic year of 1401-1401 in Iran. From this population, 1000 students were selected by multi-stage random sampling method, and their parents completed the two-factor questionnaire of adolescent executive dysfunction (TEXI) and also the behavior rating inventory of executive function, second edition. Finally, the questionnaire of 602 parents was analyzed. In order to check the reliability, the method of internal consistency, Cronbach's alpha, and the correlation coefficient between the questions and the total score were used, and to measure the validity, confirmatory factor analysis and criterion validity were used. The results of the research showed that the two-factor questionnaire of executive dysfunction has good reliability and validity. Also, the criterion validity of the questionnaire was confirmed (p<0.05). Therefore, it can be concluded that the present questionnaire is a suitable tool for evaluating executive dysfunction among adolescents.