The purpose of this study was to identify the structural relationship between professor's support, academic self-efficacy, learning engagement, major satisfaction and academic persistence intention of junior college freshmen. The survey instruments used were those developed in previous studies, with confirmed reliability and validity, and 476 questionnaires were used for analysis. Data analysis included reliability analysis, descriptive statistics analysis, correlation analysis, normality analysis, and multicollinearity analysis using IBM SPSS 23.0. Confirmatory factor analysis and structural equation modeling were conducted using Mplus 7.0. 
 The results of this study are as follows. First, an appropriate structural relationship model was reasonably identified between professor's support, academic self-efficacy, learning engagement, major satisfaction and academic persistence intention of junior college freshmen. Second, according to the analysis of direct effects, professor's support had a significant positive influence on academic self-efficacy, learning engagement, and major satisfaction, but showed a negative effect on academic persistence intention. Academic self-efficacy had a significant positive effect on learning engagement, and learning engagement had significant positive effects on major satisfaction and academic persistence intention. Major satisfaction had a significant positive effect on academic persistence intention. Third, The analysis of indirect effects through mediation revealed that learning engagement, and major satisfaction mediated the relationship between professor's support and academic persistence intention, respectively. Learning engagement mediated the relationship between academic self-efficacy and academic persistence intention, while major satisfaction mediated the relationship between learning engagement and academic persistence intention. Furthermore, it was found that academic self-efficacy and learning engagement acted as dual mediators between professor's support and academic persistence intention, and learning engagement and major satisfaction acted as dual mediators between professor's support and academic persistence intention as well as between academic self-efficacy and academic persistence intention. Finally, Academic self-efficacy, learning engagement, and major satisfaction acted as triple mediators between professor's support and academic persistence intention. Based on these results, the implications and recommendations for academic persistence intention of junior college freshmen were discussed.
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