The current study aims to investigate the influence of the perception of Computer-Assisted Language Learning (CALL) and self-efficacy on students' vocabulary acquisition. The research was conducted using the survey method. The population involved 11th-grade students from three public vocational high schools in Bekasi, Indonesia, with a sample of 84 students,and employed a simple random sampling technique. The instruments were questionnaires and a multiple-choice vocabulary acquisition test with 25 questions. The data was analyzed by a multiple regression. The results revealed that 1) There is a significant influence of perception on CALL and self-efficacy on students' vocabulary acquisition of Sig. 0.001 < 0.05 and F observed = 173.975; 2) There is a significant influence of perception on CALL on students' vocabulary acquisition with the point of Sig.0.001 < 0.05 with t observed = 13.086; 3) There is a significant influence of self-efficacy on students' vocabulary acquisition at with the amount of Sig. = 0.001 < 0.05 with t observed = 10.542. The implications of the present study might benefit in developing technology-based learning strategies and student self-efficacy to enhance vocabulary acquisition and support more innovative educational practices.
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