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All Journal Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan
Ewi Suhendri
Program Studi Pendidikan Biologi, Fakultas Sains, Teknik, dan Terapan, Universitas Pendidikan Mandalika, Jalan Pemuda Nomor 59A, Mataram, Nusa Tenggara Barat 83125, Indonesia
Biochemistry, Genetics & Molecular Biology Chemistry Education Environmental Science Immunology & microbiology Mathematics Physics Social Sciences

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Pengaruh Penerapan LKPD Berbasis PjBL terhadap Keterampilan Berpikir Kritis dan Hasil Belajar Kognitif Siswa Ewi Suhendri; Titi Laily Hajiriah; Ida Royani
Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan Vol. 6 No. 3 (2026): July (In Progress)
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/panthera.v6i3.1209

Abstract

This pre-experimental study, utilizing a one-group pretest-posttest design, aimed to examine the validity and effectiveness of a Project-Based Learning (PjBL)-based Student Worksheet on the topic of environmental pollution regarding students' critical thinking skills and cognitive learning outcomes. The study population comprised all students at SMAN 8 Mataram, with class X MIPA 1 selected as the sample using a non-random sampling technique. Data were collected using instruments consisting of a critical thinking essay test (6 items), a cognitive multiple-choice test (12 items), and expert validation sheets. Data analysis employed Aiken’s V index for validity and the N-Gain formula to measure competency improvement. The results indicated that all materials fell into the "highly valid" category, with average Aiken's V indices of 0.89 (teaching module), 0.76 (LKPD), 0.87 (critical thinking test), and 0.89 (cognitive test). The implementation of the PjBL-based LKPD proved sufficiently effective in enhancing student abilities, as evidenced by N-Gain scores of 0.57 for critical thinking skills (57.55% effectiveness) and 0.56 for cognitive learning outcomes (56.20% effectiveness). Integrating PjBL syntax into this LKPD effectively facilitated independent thinking and students' mastery of essential concepts.
Co-Authors Ida Royani Titi Laily Hajiriah