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Analisis Temporal Kualitas Udara dan Variasi Suhu di Kota Palembang Berdasarkan Data IQAir Putri, Jamiatul Khairunnisa; Diansyah, Pras; Destina, Destina; Suriani, Febri; Seftini, Rien
Jurnal TELUK: Teknik Lingkungan UM Kendari Vol. 6 No. 1 (2026): Edisi Juni Tahun 2026 Jurnal TELUK: Teknik Lingkungan UM Kendari
Publisher : Universitas Muhammadiyah Kendari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51454/teluk.v6i1.1732

Abstract

Palembang is one of Indonesia’s major cities, characterized by high levels of transportation, trade, and development activity. The intensity of these activities can affect urban environmental conditions, including air quality and fluctuations in temperature over time. This study aims to analyze the temporal changes in air quality and temperature variations in Palembang City during the period of May 1–14, 2026, and to examine the relationship between the two variables. The data used consist of the Air Quality Index (AQI) obtained from IQAir and air temperature data from BMKG. The research method employed is a descriptive quantitative approach with statistical analysis, including descriptive analysis, time series graphs, Pearson correlation, simple linear regression, and t-test. The results show that the AQI values fall within the moderate category, ranging from 52 to 88, while the air temperature ranges from 26.8°C to 29.2°C and tends to be relatively stable. The correlation analysis indicates a negative relationship between temperature and AQI with a coefficient of -0.401, meaning that an increase in temperature tends to be followed by a decrease in AQI values. However, this relationship is not statistically significant (p > 0.05). The linear regression results also show that temperature does not have a significant effect on air quality. Thus, it can be concluded that changes in air quality in Palembang City are not solely influenced by air temperature, but also by other factors such as transportation activities, vehicle emissions, and other meteorological conditions.
English Subtitle Viewing Tasks: Enhancing EFL University Students' Listening Comprehension and Learning Perceptions Destina, Destina; Andriani, Refika; Herdi, Herdi; Simbolon, Wulandari
J-SHMIC : Journal of English for Academic Vol. 13 No. 2 (2026): J-SHMIC: Journal of English for Academic
Publisher : UIR Press

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Abstract

Listening comprehension remains one of the most challenging skills for English as a Foreign Language (EFL) learners, particularly in higher education where students are expected to comprehend authentic spoken English. Although previous studies have demonstrated the benefits of subtitles for language learning, limited research has examined English subtitle viewing tasks as structured classroom activities while simultaneously investigating students' listening achievement and learning perceptions. This study therefore aimed to examine the effect of English subtitle viewing tasks on students' listening comprehension and to explore their perceptions of the instructional approach. A quantitative pre-experimental study employing a one-group pretest-posttest design was conducted with 24 third-semester undergraduate students in an English Education program at a private university in Indonesia. Data were collected using a listening comprehension test and a four-point Likert-scale questionnaire and analyzed through descriptive statistics, a paired-samples t-test, and normalized gain (N-Gain) analysis. The findings revealed a statistically significant improvement in students' listening comprehension, with the mean score increasing from 77.54 to 84.29 (t = 12.597, p < .001), while the mean N-Gain score (0.308) indicated a moderate level of learning improvement. Students also reported highly positive perceptions of the instructional approach, with an overall mean score of 3.82 across five measured dimensions. These findings suggest that English subtitle viewing tasks provide meaningful support for listening comprehension while fostering positive learning experiences. The study offers empirical evidence for the effective integration of subtitle-assisted learning into university EFL listening instruction.