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Peningkatan Keterampilan Berpikir Kritis Siswa melalui Model Project Based Learning dalam Pembelajaran Biologi Lail, Qori’ah Faiqotul; Usman, Ali
Publikasi Pendidikan Vol 16, No 1 (2026)
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70713/publikan.v16i1.78031

Abstract

Keterampilan berpikir kritis merupakan keterampilan siswa dalam menganalisis fakta dan ide secara mendalam untuk merumuskan solusi masalah secara efektif. Tujuan penelitian ini adalah untuk mengukur peningkatan keterampilan berpikir kritis siswa. Sampel penelitian adalah siswa kelas XI MIPA 4 dengan nilai akademik terendah dibandingkan kelas lainnya, dan cenderung pasif dalam pelajaran Biologi. Metode penelitian yang digunakan adalah penelitian tindakan kelas (PTK) yang dilaksanakan dalam beberapa siklus dengan menerapkan model PjBL. Pengumpulan data keterampilan berpikir kritis dilakukan melalui pre-test dan post-test berupa soal esai pada setiap siklus; selanjutnya, hasil jawaban diukur menggunakan rubrik keterampilan berpikir kritis dari Finken dan Ennis (1996). Analisis penelitian menggunakan Normalized Gain (N-Gain) untuk mengetahui tingkat peningkatan keterampilan berpikir kritis siswa. Hasil penelitian menunjukkan adanya peningkatan skor keterampilan berpikir kritis siswa dari 0.23 (kategori rendah) pada Siklus I menjadi 0.56 (kategori sedang) pada Siklus II. Peningkatan ini menegaskan bahwa penerapan model PjBL dapat terus meningkatkan kemampuan berpikir kritis siswa. Berdasarkan temuan ini, disarankan bagi guru untuk terus menerapkan model pembelajaran PjBL secara berkelanjutan dan bagi peneliti selanjutnya untuk lebih berfokus pada setiap indikator berpikir kritis.
White Spot Syndrome Virus (WSSV) Detection at Traditional Ponds of Lithopenaeus vannamei in Pasuruan District Usman, Ali; Andayani, Sri; Herawati, Endang Yuli
The Journal of Experimental Life Science Vol. 8 No. 3 (2018)
Publisher : Graduate School, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1034.385 KB) | DOI: 10.21776/ub.jels.2018.008.03.07

Abstract

Vanamei shrimp (Litopenaeus vannamei) is a type of shrimp that widely cultured in Indonesia. Pasuruan is one of the districts where there are many ponds that culture shrimp Vaname (L. vannamei) traditionally. The occurrence of a decrease in production due to WSSV virus attacks that cause a lot of losses for farmers so it needs a preventive effort by doing early warning and monitoring on the existence of the virus. The study was conducted from April to May 2018 with the aim of obtaining data on the presence of WSSV virus and its prevalence at traditional Vaname shrimp farms (L. vannamei) in Pasuruan District. The sampling location is located in Pasuruan District consisting of three locations namely Bangil, Kraton, and Rejoso with each has 10 ponds (total of 30 ponds site). Detection of White Spot Syndrome Virus using Nested PCR with shrimp section taken is swimming foot, road leg, and tail. PCR results in 848 bp and 333 bp indicated the presence of WSSV infection in the Bangil and Rejoso ponds where the prevalence rate of WSSV attack in each region differs from Bangil 0 - 15%, Kraton 0% and Rejoso 0 - 15%.Keywords: PCR, Prevalence, Shrimp, Vannamei, WSSV.
Project-Based Learning-Science, Technology, Engineering, and Mathematics (PjBL-STEM): A Bibliometric Mapping of Themes and Research Gaps Usman, Ali; Maharani, Selfi; Hartati, Tri Asih Wahyu
International Journal of STEM Education for Sustainability Vol 6, No 2 (2026)
Publisher : Gemilang Maju Publikasi Ilmiah (GMPI) 

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53889/ijses.v6i2.857

Abstract

This study aimed to examine the integration of Project-Based Learning (PjBL) in STEM education and identify research gaps. This study uses a bibliometric approach by analyzing 102 Scopus-indexed articles from 2014–2025. The analysis shows a significant increase in publications related to PjBL-STEM. Thematically, PjBL and STEM are interconnected core topics and form several research clusters, with the thinking skills cluster being the most central theme connected to issues of sustainable education and digital learning. Furthermore, keywords related to 21st-century competencies, such as critical and creative thinking, are more dominant than digital technologies, such as e-learning, artificial intelligence, machine learning, and learning analytics, which have not yet taken center stage in the research landscape. These findings indicate a gap in the integration of digital technologies in PjBL-STEM learning. Therefore, further research is recommended to focus on: (1) developing a digital technology-based PjBL-STEM model, (2) integrating learning analytics to monitor the learning process, and (3) strengthening data-based formative assessment to support 21st century skills.
Co-Authors Abdurachman Sukadi Afrida, Indah Rahmawati Agus Prasetyo Utomo Agustina, Lady Alfath, Annisa Ali Ibrahim Ali, Moch Haidar Fitru Amirah, Eva Apriliyanto, Rizki Arma Yuliza Arsad Bahri Atikah, Isma Azizah, Siti Alfiyana Azrina, Nuril Candrasari, Pipit Dewi Kartika Sari Dewi, Fajaria Juanda Dzarna, Dzarna Eka Kusuma, Ariya Endang Yuli Herawati Ermawati Ermawati Ernayanti, Retno Erythriana, Chelsea Nadia Eurika, Novy Fadillah Sabri Fajar, Pipih Nurul Fajriyah, Alifia Iffah Fauzi, Muhammad Ali Rif’an Firmanto, Andi Fitri Amilia Galatea, Chusnul Khotimah Hardovi, Bachtiar Hari Harsoyo, Yoga A. Hartini, Billyun Dianata Hasibuan, Nurharisyah Hatip, Moch. Hayati, Nanik Nur Hilman Firmansyah, Hilman Hilman, Shinta Indriawati Indah Rakhmawati Afrida Iswarini, Harniatun Jayanti, Erni Dwi Johannes C Mose, Johannes C Kasmita Kasmita Kudang Boro Seminar Kusumah, Reni Risnawati Lail, Qori’ah Faiqotul Laros, Vizza Az Zahra Al Lestari, Zakia Ayu Lisna, Yusi Yusnita Juwita Luky Prasetyo Maharani, Selfi Mahbub Ghozali, Mahbub Marwani, Iga Safa Masenah, Masenah Masripah, Imas Siti Maulidya, Meliana Nur Maya Sari MKM, Laily Mudayanti, An Rini Munandar, Kukuh Nasihudin, Muhammad Dimas Natasha, Meita Aruri Nelwan, Leopold Oscar Nengsih, Widya Nurbani, Tri Nurul Hidayati Nuryadin, Rully Oktarini, Widya Paramita, Sakhiyah Sotya Prafitasari, Aulya Nanda Pramudia, Heru Pusparini, Marissa Putri, Siti Anindya Rahmat Fauzi Raistanto, Wildan Sa'id Sonda Ranova, Riki Ratna Sari Ritonga, Torkis Rosita, Eliana Rostina Sundayana Ruki, Taufik Rahman Sari, Lupita Ratna siti wulandari Slamet, Imam Prajoko Sofyan Sjaf Solihat, Deti Farida Sri Andayani Subhanallah Suciati Suciati Sulaiman , Ahmad Riski Suryadi, Yopi Thurrodliyah, Nuria Imamah Tri Asih Wahyu Hartati Utomo , Agus Prasetyo Vega, Amalya Putri Kusuma Wadiono, Gandu Wahyu Eko Widiyanto Wartini, Tini Wa’alin, Millah Nur Widhiastuti, Rachma Widianto, Wahyu Eko Wijya, Insan Zahra Al Laros, Vizza Az Zulkifli Rangkuti