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Oktavia Oktavia
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Influence of Task Commitment, Learning Styles, and Learning Strategies on the Reading Comprehension of English Literature among Psychology Students at UIN Syarif Hidayatullah Jakarta Hamidah, Hamidah; Huzaziah, Euis; Fitri, Ade Zoraya; Oktavia, Oktavia
International Journal of Business, Law, and Education Vol. 6 No. 2 (2025): International Journal of Business, Law, and Education
Publisher : IJBLE Scientific Publications Community Inc.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56442/ijble.v6i2.1147

Abstract

This study aims to examine the influence of task commitment, learning strategies, and learning styles on the reading comprehension of English literature among psychology students at UIN Syarif Hidayatullah Jakarta. The study involved 200 participants (41 males and 159 females). The data collection instrument used was a Likert-scale questionnaire comprising four measurement scales: Reading Comprehension, Task Commitment, Learning Strategies, and Learning Styles. Instrument testing was conducted using Confirmatory Factor Analysis (CFA) with SPSS 20. Data analysis employed multiple linear regression using SPSS 20 for Windows. The results revealed that task commitment, learning strategies, and learning styles significantly influence students’ reading comprehension of English literature. Specifically, task commitment, cognitive learning strategies, and metacognitive strategies had a significant effect on reading comprehension, while learning styles did not demonstrate a significant impact.
Pengaruh Konsentrasi Kitosan Terhadap Karakteristik Bioplastik Selulosa Batang Pisang dengan Plasticizer Gliserol oktavia, oktavia; Puspita, Indah; Kusmita, Tri; Utami, Rizka
Jurnal Riset Fisika Indonesia Vol 6 No 01: Desember 2025
Publisher : Jurusan Fisika, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jrfi.v6i01.5196

Abstract

The development of bioplastics has continued to grow as an alternative material based on renewable natural resources. Cellulose is a natural polymer that is widely used as a raw material for bioplastics; however, cellulose-based bioplastics generally show limited mechanical stability and rigidity. Therefore, the addition of chitosan and glycerol is required to improve their characteristics. This study aims to determine the cellulose content and functional groups of banana stem cellulose and to analyze the effect of chitosan concentration on the thickness, mechanical properties, and degradation rate of banana stem cellulose-based bioplastics using glycerol as a plasticizer. Bioplastics were synthesized by varying the chitosan concentration at 1%, 2%, 3%, and 4%. The results showed that the cellulose content of banana stems reached 93%, with the presence of –OH, –CH, and –CO functional groups. The variation in chitosan concentration affected the thickness, tensile strength, elongation at break, and degradation rate of the bioplastics. An increase in chitosan concentration resulted in a decrease in thickness and elongation, while tensile strength and degradation rate increased with higher chitosan content. These results indicate that chitosan concentration significantly influences the physical, mechanical, and degradation properties of banana stem cellulose-based bioplastics, demonstrating their potential as biodegradable materials.
Co-Authors Agrina Agrina Agus Setiadi Agus Susanto Andhita, Miranti Anisa, Tasya Nurul Aprianif, Aprianif Asep Ririh Riswaya Binar Ariamukti Brigita Dilla Savirach Buston, Erni Cahyo Hermanto Dadi Rosadi Desmawati Desmawati Diananda, Amita Djakman, Chaerul D. Dwi Martani Eka Sari, Eka Elis Setiawati, Elis Estralita Trisnawati Firmaniar, Eviamanasye Fitri, Ade Zoraya Gunarti Gunarti* Hamidah . Handayani, Melani Fitriya Hanipah, Rizka Herni Kurniawati Huzaziah, Euis Ida Ayu Putu Sri Widnyani Ikha Safitri Indah Puspita, Indah Iskandar, A. AR. Rakhmansya Isnawati Isnawati Jaelani, Jaelani Jannah, R. H Jumaini, Jumaini Kusumaningsih, A. Kusumaningtias, R. Magdalena, Febriani Cristina Susianti Marzuqi, M. Syafiq Maulidya, Riska Mega Fatimah Rosana Mega Sari Juane Sofiana Melani Fitriya Handayani Muh. Ikbal Arif Muhammad Riziq Noval Nanang Suciyono, Nanang Noval, Muhammad Riziq Novi Novi Novita Febriany Nurdiansyah, Syarif Irwan Nurhany, Ade Zahwa Nurwijayanti Pardosi, Sariman Pauzan Efendi Priski Yohana Sihombing Ria Savitri Riasvalena, Ria Rizka Hanipah Ruhban, Andi Rumaisha, Alya Ruqiah Ganda Putri Panjaitan SADIYAH, KHALIMATUS Saptono, Ari Saragih, Amudi Pandapotan Septian Bayu Kristanto Sihombing, Priski Yohana Stella Florensia Subagyo Subagyo Sylvia Veronica Siregar Tatianningsih Tatianningsih Tay, En tiara anggia dewi, tiara anggia Tri Kusmita Utami, Rizka Warsidah, Warsidah Waskito, Prayogi Widyastuti, Hesty Winna Daniella Kadiman