The objective of this study is to ascertain the impact of implementing PjBL on the English learning outcomes of students at MAN 1 Dompu in the 2024 academic year. The present research employed a pre-experimental method with a one-group pre-test–post-test design using a quantitative approach. The population under study comprised all 216 eleventh-grade students. The sample population for this study comprised 25 students from class XI Science 2, which was designated as the experimental class. Sixteen students participated in the pre-test and seventeen in the post-test. The purposive sampling technique was utilized in this study. The data were collected through the administration of pre-tests and post-tests and subsequently analysed using a normality test. The pre-test results demonstrated an average score of 57, while the post-test average increased to 80, indicating an improvement of 23 points. Subsequent analysis of the post-test data was conducted using a t-test, which yielded a t-count of 1.728. The obtained value of 0.104 was then compared with the threshold of 0.05. In consideration of the findings, a statistically significant discrepancy was identified in the student learning outcomes before and after the implementation of PjBL. In reference to the proposed hypotheses Ha: there is an effect of applying the PjBL model on the learning outcomes of MAN 1 Dompu students, and H?: there is no such effect the findings support the acceptance of Ha. Consequently, it can be concluded that the implementation of PjBL had a positive effect on the English learning outcomes of MAN 1 Dompu students in the 2024 academic year.
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