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IMPLEMENTASI PROBLEM BASED LEARNING UNTUK MENINGKATKAN KETERAMPILAN BERPIKIR KRITIS PESERTA DIDIK Mahajeng, Mayang Chris; Hendratmoko, Ahmad Fauzi
SECONDARY: Jurnal Inovasi Pendidikan Menengah Vol. 6 No. 2 (2026)
Publisher : Pusat Pengembangan Pendidikan dan Penelitian Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51878/secondary.v6i2.10004

Abstract

The advancement of 21st century technology has a substantial influence on various aspects of life, critical thinking skills are one of the important skills that students must have in the advancement of 21st century technology. The purpose of this study is to describe students' critical thinking skills. This type of research uses a pre-experimental design using a one-group pretest-posttest design. The research sample was 27 students of class VII-B of SMP Labschool UNESA 1 Surabaya, sampling using purposive sampling. The instruments used in this study were pretest and posttest sheets, with data collection techniques through tests. The improvement of students' critical thinking skills obtained a normality value of 0.097 then a Paired t-Test was conducted with a significance value of <0.001 meaning that there was a difference between the pretest and posttest scores in the implementation of PBL to improve students' critical thinking skills. The improvement of students' critical thinking skills was also analyzed using N-gain which obtained a medium to high category on each indicator used and, analyzed using an effect size which was in the high category with a value of 5.63. Thus, based on these results, it can be concluded that implementing the PBL model can improve students' critical thinking skills.
Co-Authors ., BINAR AYU DEWANTI Abdul Aziz Khoiri Abdul Kholiq Agustine, Laila Rizky Agustin Ahmad Qosyim Alzena Agatha Araminta Amaturahman Zulfa AN NURIL MAULIDA FAUZIAH AN NURIL MAULIDA FAUZIAH Anis Rahma Cahyani Araminta, Alzena Agatha Arnita Yulia Sari Astrid Dwika Anggraini Avina Putri Syahida Az-zahro, Adhelia Carissa Azhar Azhar Azizah, Luluk Nur Desyana Auralia Azizah Dinar Mahdalena Leksana 1 DYAH ASTRIANI Dyah Permata Sari Eliza Kristiana Dewi ELOK SUDIBYO Endang Susantini ENDANG SUSANTINI Erika Avenda Putri Khaznah Erman Erman Erna Hayati, Erna Ernita Vika Aulia Fahritsa Salsabila Fasih Bintang Ilhami, Fasih Bintang FATHARANI, ATIKA Fikky Dian Roqobih Griyanora, Griyanora inayatillah, fafi Intan Permatasari Juliana Putri Ghassani Kamila, Nina Najwa KIKI SEPTARIA Kumalasari, Devi LAILY ROSDIANA Laudia, Stefanie Marla Lia Yuliati, Lia liswijaya, liswijaya Lutfiyanti, Rosa Azzahro M. Rosidi Zamroni Mahajeng, Mayang Chris Martini Martini Mashwani, Hazrat Usman Miftahus Sholihin Mochammad Zumar Firdaus Ermawan MOHAMMAD BUDIYANTO Muhamad Arif Mahdiannur Muhammad Hafizh Abdullah Nafila, Faradifa Nagy, Emese K. Nilna Najwa Kamila Noly Shofiyah Norma Yunita Firdaus Nur Faidatul Jannah Nur Safiqoh Arbaatin Nurinnadiyah Rahadatul 'Aisy Nurinnadiyah Rahadatul ’Aisy Obra Jr, Mario R Pramudya Aulia Fadila Rahman*, Nanang Rahman, Nanang Rahmawati, Dewi Syamsia Reiza Noor Azizi Rizky Putra Santosa Sa'idah, Zhahirah Indana Safitri Yosita Ratri Salsabila, Putri Avianita Salsabilla Abidah Alfina Sapti Puspitarini Siti Marpuah, Siti Siti Nurul Hidayati Susiyawati, Enny Suwandi, E. Tirta Rohmatain Solikah Titania Zewelya Ray Prameswara Kuswantoro TUTUT NURITA Umatullaila Istiqfarin Ummah, Syifa’ul Vinda Novela Pramudya Wafiq Maula Azizah Wahono Widodo Wahono Widodo Wasis WASIS Wasis Wasis Wiwik Wulandari Zahirah Indana Sa’idah Zahrani Purnita Sari