This research aimed to 1) study the level of self-efficacy, self-awareness, social skills, and executive function of undergraduate students, 2) study the relationship among self-efficacy, self-awareness, social skills, and executive function of undergraduate students, and 3) investigate the effect of self-efficacy, self-awareness, and social skills on executive function in undergraduate students. The sample used in the study was 400 undergraduate students from Mahasarakham University in the

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... emic year 2021, selected by multi-stage random sampling. The research instruments included four questionnaires including self-efficacy, self-awareness, social skills, and executive function questionnaire. The statistics used in the data analysis were percentage, mean (M), standard deviation (S.D.), and multiple regression analysis. The results revealed that 1) students’ self-efficacy, self-awareness, social skills, and executive function, in general, were at a very high level. 2) There were statistically significant at the .01 level correlations between students’ self-efficacy, self-awareness, social skills, and executive function. 3) Students’ self-efficacy (SELE), self-awareness (SELA), and social skills (SOCS) affected executive function, with a prediction of 70.20%.