Arni Arsyad Sultan
Institut Agama Islam Negeri Bone

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Integrating Tree Diagram Technique into Vocabulary Teaching in EFL Settings Novia Irhana Ramadhani; Arni Arsyad Sultan; Ilyas; Lewi Kabanga
Studies in Language, Education, and Culture (SeLEC) Vol. 2 No. 1 (2026): Studies in Language, Education, and Culture (SeLEC)
Publisher : Media Publikasi Cendekia Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56303/selec.v2i1.1380

Abstract

This study investigates the effectiveness of the Tree Diagram Technique in improving junior high school students’ mastery of basic English vocabulary in Indonesia. Vocabulary plays an essential role in language acquisition; however, many students experience difficulties in learning new words due to monotonous instructional methods. The Tree Diagram Technique, as a visual learning strategy, helps students organize vocabulary into meaningful categories, thereby supporting comprehension and memory retention. This study employed a quantitative approach using a one-group pretest–posttest design. The participants were 25 eighth-grade students of a junior high school in Bone Regency. Data were collected through a 20-item vocabulary test administered before and after the treatment. The results of the Wilcoxon signed-rank test revealed a statistically significant improvement in students’ vocabulary achievement, with the mean score increasing from 51.4 in the pretest to 82.4 in the posttest (p < 0.05). These findings indicate that the Tree Diagram Technique is an effective instructional strategy for enhancing students’ vocabulary mastery in EFL classrooms. The study also contributes to EFL pedagogy by demonstrating the potential adaptation of the Tree Diagram Technique from syntactic analysis into engaging and visually organized vocabulary instruction.
Literal Reading Comprehension Improvement through Texts Containing Idiomatic Expressions among Senior High School Students Satriani; Herman Resyadi; Arni Arsyad Sultan
Teaching English and Language Learning English Journal Vol. 5 No. 3 (2025): December
Publisher : Fakultas Keguruan dan Ilmu Pendidikan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/telle.v5i3.9265

Abstract

This study investigates the improvement of senior high school students’ literal reading comprehension through the use of texts containing idiomatic expressions. The objective of this research is to determine the extent to which idiomatic expression texts can enhance students’ literal comprehension of written materials. A quantitative approach was employed using a pre-experimental design with a one-group pre-test and post-test model. The participants were 20 Grade X students at MA Tinco during the 2023/2024 academic year. The results show that the average pre-test score for literal reading comprehension was 46.70, with a standard deviation of 5.440, a minimum score of 35, and a maximum score of 56. After the intervention, the average post-test score increased to 86.65, with a standard deviation of 7.506, a minimum score of 74, and a maximum score of 98. These findings indicate a significant improvement in students’ literal reading comprehension after being taught using idiomatic expression texts. Hypothesis testing with a paired sample t-test produced a t-value of 17.533, exceeding the critical t-table value of 1.725, with a p-value of 0.000. Since the p-value was less than 0.05, the null hypothesis (H₀) was rejected, and the alternative hypothesis (Hₐ) was accepted. The N-Gain analysis yielded an average score of 74.38, categorizing the intervention as “moderately effective.” Therefore, it can be concluded that the use of texts containing idiomatic expressions is moderately effective in improving the literal reading comprehension of Grade X students at MA Tinco.