en روان شناسی تربیتی Educational Psychology پژوهشي Original <div style="text-align: justify;"><span style="color:#3366ff;"><span style="font-size:14px;"><span style="font-family:Times New Roman;"><span style="line-height:2;"><b>Objective</b>: <span lang="EN">Academic achievement motivation is considered one of the most fundamental psychological constructs in explaining the success and persistence of students in higher education. The present study aimed to test a causal model of achievement motivation based on academic meaning with the mediating role of academic self-concept in university students. </span><br> <b>Methods</b>: This study was a descriptive-correlational design using a Structural Equation Modeling (SEM) approach. The statistical population consisted of all undergraduate and graduate students at the Islamic Azad University, Bandar Lengeh Branch, during the 2025-2026 academic year. A sample of 350 students was selected through stratified random sampling based on gender. Data were collected using three standardized questionnaires: the Hermans Achievement Motivation Questionnaire (1970), the Chen and Yi-Hsien Academic Self-Concept Questionnaire (2004), and the Henderson-King and Smith Academic Meaning Questionnaire (2006). Data analysis was performed using SPSS-24 and AMOS software at both descriptive and inferential levels.<br> <b>Results</b>: The results indicated that the proposed model had a good fit, and all direct paths in the model were significant. The direct effects of academic meaning on achievement motivation (&beta;=0.48, P<0.001), academic self-concept on achievement motivation (&beta;=0.65, P<0.001), and academic meaning on academic self-concept (&beta;=0.76, P<0.001) were all significant. The indirect effect of academic meaning on achievement motivation through academic self-concept was 0.49 (P<0.001).<br> <b>Conclusions</b>: Academic self-concept, as a mediating construct, elucidates the mechanism through which students&#39; perception of the value and purposefulness of education leads to an increase in achievement motivation.</span></span></span></span></div> Achievement Motivation, Academic Meaning, Academic Self-Concept, University Students, Structural Equation Modeling. 0 0 http://ieepj.hormozgan.ac.ir/browse.php?a_code=A-10-1231-1&slc_lang=en&sid=1 Elahe Morshedzade elahe.morshedzade@iau.ac.ir 100319475328460012830 100319475328460012830 No Department of Educational Psychology, BL.C., Islamic Azad University, Bandar Lengeh, Iran. Fateme Esfandiyari fateme.esfandiyari@iau.ac.ir 100319475328460012831 100319475328460012831 Yes Department of Educational Psychology, BL.C., Islamic Azad University, Bandar Lengeh, Iran.