Zahroh, Jainatu Aini (2025) The Influence of Inquiry Chart Strategy on The Students’ Reading Comprehension at The Tenth Graders of SMA Negeri 1 Penawartama Tulang Bawang. Undergraduate thesis, UIN Jurai Siwo Lampung.

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Abstract

This research aims to determine the influence of the Inquiry Chart (I-Chart) strategy on the reading comprehension ability of the tenth-grade students of SMA Negeri 1 Penawartama, Tulang Bawang. The background of this research is based on students’ difficulties in identifying main ideas, understanding supporting details, limited vocabulary mastery, and challenges in interpreting grammatical structures within reading texts. The results of the preliminary survey showed that 81.25% of the students scored below the minimum mastery criterion, indicating that their reading comprehension ability was still low.

This research employed a quantitative method with a true experimental design. The population consisted of 102 tenth-grade students, and the samples were class X-4 as the experimental class and class X-3 as the control class, each consisting of 32 students selected through simple random sampling. The experimental class was taught using the Inquiry Chart strategy, while the control class was taught using conventional methods. The data were collected through pre- tests and post-tests and were analyzed using the independent sample t-test with SPSS version 25.

The findings revealed that the post-test scores of the students in the experimental class were higher than those in the control class. The t-test result showed a significance value of 0.011, which is lower than 0.05. This indicates that there is a positive and significant effect of using the Inquiry Chart strategy on students’ reading comprehension ability. The Inquiry Chart strategy proved effective in increasing student engagement, assisting in organizing information, and enhancing their ability to comprehend reading texts.

Based on these results, it can be concluded that the Inquiry Chart strategy has a significant effect on the reading comprehension ability of the tenth-grade students of SMA Negeri 1 Penawartama, Tulang Bawang.

Keywords: I-Chart Strategy, Quantitative Research, Reading Comprehension.

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