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Journal : Jurnal Ilmiah Ilmu Terapan Universitas Jambi

MAPPING STUDENTS' THINKING SYSTEMS IN CRITICAL THINKING BASED ON STEM PROJECT-BASED LEARNING EXPERIENCES Nehru, Nehru; Purwaningsih, Sri; Riantoni, Cicyn; Ropawandi, Doni; Novallyan, Devie
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 8 No. 1 (2024): Volume 8, Nomor 1, June 2024
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v8i1.32027

Abstract

Critical thinking is an essential skill for students to develop. The objective of this research is to map students' thinking systems in critical thinking based on STEM project-based learning experiences. The method used is a mixed-method approach with an Embedded Experimental Model. The research subjects are undergraduate students in basic physics at the University of Jambi. Data collection is conducted through tests and interviews. The test instrument employs structured critical thinking questions based on the Halpern Critical Thinking Assessment (HCTA) indicators, while the interview instrument utilizes open-ended questions. Data analysis utilizes paired t-tests and coding to map students' thinking systems. The research results indicate an influence of STEM-PjBL learning on students' critical thinking abilities, supported by the analysis showing a moderate increase in students' critical thinking abilities. Additionally, based on mapping students' thinking systems, there is an increase in thinking system 2 by 56 answers. Moreover, thinking system 2 is nearly equivalent to thinking system 1 except in reasoning. In the fourth question and other aspects of critical thinking abilities, thinking system 2 is comparable to thinking system 1 and even more dominant in question number 3. This demonstrates an enhancement in students' critical thinking abilities after STEM project-based learning. This research provides new insights into the development of student's critical thinking skills, which can be beneficial for curriculum development and teaching practices in the STEM education field.
WAVELENGTH OF THE He-Ne LASER BY USING TWO TYPES OF DIAPHRAGM DIFFRACTION METHODS Purwaningsih, Sri; Falah, Hebat Shidow; Lestari, Neneng; Sitinjak, Hardiantinus; Mousa, Almahdi
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 8 No. 1 (2024): Volume 8, Nomor 1, June 2024
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v8i1.32058

Abstract

Light diffraction, characterized by the spreading or bending of waves when encountering narrow obstacles, forms the focal point of this research endeavor. Utilizing the circular diffraction method, this study pioneers the identification of the He-Ne laser wavelength through experimentation with both three and five-slit diaphragms. The investigation with a three-slit diaphragm involves three variations in slit distances: d = 0.125 mm, 0.25 mm, and 0.5 mm at a screen distance of 150 nm, revealing diffraction patterns across three orders of magnitude. For the five-slit diaphragm, the analysis extends to a slit distance of d = 0.25 nm and a layer distance of 320 nm. Interestingly, the results reveal that the wavelength spectrum of the He-Ne laser depends on the variation of the gap distance. Remarkably, a gap distance as minimal as 0.25 nm yields wavelengths within the range of 641 nm to 660.67 nm, highlighting the diffraction process's sensitivity to minute variations in experimental parameters. This groundbreaking research not only elucidates the intricate interplay between light diffraction and experimental configurations but also underscores the circular diffraction method's versatility in determining the fundamental properties of laser light. This study paves the way for advancements in optical instrumentation and characterization techniques by offering novel insights into wavelength determination methodologies. These findings have far-reaching implications across diverse scientific disciplines, including physics, materials science, and optical engineering, enhancing the precision and capability of optical measurement technologies.
Co-Authors -, Maison AA Sudharmawan, AA Abdul Khairul Rizki Purba Mustofa Indwiani Astuti Adrianus Inu Natalisanto Agoes M Jacoeb Agoes Mardiono Jacoeb Ahmad Fahrudin Ahmad Fauzan Lubis Akbar Kurniawan, Mohammad Alam, M. Sastra Alamsyah Harahap Allen A. CH. Manongko Alrizal, Alrizal anak agung putu ayu puspita negara Anggri Alfira Yunita Assa Anna Carolina Erungan Annisa Rahma Fatmala Apema, Elcye Apit Setiani Arianda, Yoga Dwi Arifa Mustika Arpan, Susan Gracia Asrial Azizahwati Azizahwati Azizahwati Azizahwati Azrifitria ., Azrifitria Bagus Sediadi Bandol Utomo Bambang P. Priosoeryanto Benny Manulang Denny Susanto Dewi Gayatri Dewi Ulfa Trisdiani Dinny Devi Triana Dwi Puspita Sari D’Arqom, Annette Effionora Anwar Eka Ayuningrat Eka Deskawati Ekowati Handharyan Ekowati Handharyani ella - salamah Ella Salamah Ella Salamah Ella Salamah Ella Salamah Ella Salamah Ella Salamah Ellis Permatasari Ema Hastarini Enie Novieastari Ermawati Ermawati Erna Setiany Estelle Lilian Mua Evy Damayanthi Fahriza Sri Afni Farida Nugrahani Fatimah, Nurmawati Febri Berthalita Pujaningsih Fedora, Katherine Fitriany Podunge G A Arwati, I Gian P Apriyana Giawan Nur Fitria Gina Mustika Haerul Pathoni, Haerul Harahap, Nur Kholija Hari Setiyawati Hasti Kusuma Hastuti, Isnaini Budi Hebat Shidow Falah I Gede Restawan I'tishom, Reny Indah Ria Lestari Indiastuti, Danti Nur Indriani, Rin Insani Putri, Fhadira Islamia, Saribatul Izzatul Fithriyah Janice Sepang Jefri Marzal Joko Santoso Jules Nurhatmi Juliana Neng Ribka Jumain Jumain Jumain Khaerunnisa, Siti Komarayanti, Sawitri Kustiariyah Tarman Lasut, Maria Lestari, Neneng Lusianti, Erita Luthfianti, Yasinta M. Nur Adnin M. Rahmad Maftuchah Maftuchah Mala Nurilmala Mamanua, Steven Maretty Twentyna Dolorosa Mar’atun Rohmah Susanti Masikah Maylan Dewi Meilin Anggreyni MERLINDA KEMALA DEWI Mousa, Almahdi Muhammad Sahal Mukti Widayati Mutmainnah. HS Nada, Hairul Nehru Nehru Nikmawatisusanti Yusuf Nova Natalia Beba Novallyan, Devie Nugroho, Cahyo Adhi Nurhikma Nurhikma Nurina Hasanatuludhhiyah Nurjanah Nurjanah Olga Purnama Bakti Pebralia, Jesi Pratiwi, Intan Pratiwi, Riri Puji Rahayu Purwani Istiana Purwanti Ningsih Puspita Sari, Dwi Putri Julia Mizulni Rahman, Dewi Rahmayani Rahmatia Garwan Rahmatia Garwan Ramacos Fardela Ramadoni, Ramadoni Rasmi, Dian Pratiwi Reki A. Febriani Reryd Arindany Wiryawan, Reryd Arindany Reza Dewantoro Ria Ambarwati Riantoni, Cicyn Rieke Pernamasari Rika Kurnia Rimbawan , Rinto . Rista Bintara Rista Bintara, Rista Riviani Riviani Riyan Triono Ropawandi, Doni Rosmawati Peranginangin Ruddy Suwandi Sabarulin Sabarulin Sabintoe, Merlin Safira, Safira safrina dyah hardiningtyas Sartikasari, Dwi Sereli Pia Setiyadi, Agus Silmi Mariya Sinulingga, Fahri Siswanto, Anilla Adelia Siti Choiriah Siti Madanijah Siti Sarpingah Sitinjak, Hardiantinus Soeprijanto Sofia Alvionita Sri Murni Sugeng Heri Suseno Suharmadi Suharmadi Syeni Budi Anita TATI NURHAYATI Taufik Hidayat Tika A. Budiarti Tiza Yunisca Sari Triyani Budyastuti Utamayasa, I Ketut Alit Villany Golwa, Gian Watania, Dolly Wijayanti, Dyah Ayu Wini - Trilaksani Wisnu Jaka Dewa Wiwit Suprihatiningsih Yennita, Y Yosi Hasana Yuani Setiawati Yudhi Herliansyah Yusnaidar, Yusnaidar Yustina Yustina Yuversa, Edi Ziarah, Hikmah