F.R, M. ARDIAN (2026) The Influence of Using Discovery Learning on The Students’ Writing Skill at Tenth Grade of MAN 1 Lampung Timur. Undergraduate thesis, UIN Jurai Siwo Lampung.

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Abstract

This study aimed to investigate the effect of the Discovery Learning model on students’ writing skills at the tenth grade of MAN 1 Lampung Timur. Writing skill is a complex productive skill that requires active learning, learner autonomy, and higher-order thinking. Therefore, the implementation of Discovery Learning was expected to improve students’ ability to generate ideas, organize content, and express thoughts coherently in written form.

This study employed a quantitative approach using a quasi-experimental design with a pre-test and post-test control group. The population of this study consisted of all tenth-grade students of MAN 1 Lampung Timur. The sample comprised 55 students, consisting of 27 students from Class X.H as the control group and 28 students from Class X.F as the experimental group. The experimental group was taught using the Discovery Learning model, while the control group was taught using conventional teaching methods. Data were collected through writing tests administered before and after the treatment. The data were analyzed using SPSS version 27, including tests of normality, homogeneity, and an Independent Samples t-test.

The results showed that the data were normally distributed and homogeneous. The Independent Samples t-test revealed a significance value (Sig. 2-tailed) of 0.001, which was lower than the 0.05 significance level. This finding indicated that there was a statistically significant difference in writing skill achievement between students taught using Discovery Learning and those taught using conventional methods. The post-test mean score of the experimental group was higher than that of the control group, demonstrating the positive effect of Discovery Learning on students’ writing skills. In conclusion, the findings of this study provide empirical evidence that the Discovery Learning model has a positive and significant effect on students’ writing skills at the tenth grade of MAN 1 Lampung Timur.

Keywords: Discovery Learning, English Language Teaching, Quasi- Experimental Research, Writing Skill

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