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Thesalonika, Emelda
Universitas HKBP Nommensen Pematangsiantar
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Journal : Journal of Education and Computer Applications

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The Influence of The Project Based Learning Model on Students' Critical Thinking Skills In The Science Subject of Grade V of UPTD SD Negeri 124401 Pematangsiantar Manurung, Gaby Margareth; Thesalonika, Emelda; Napitupulu, Rio Parsaoran
Journal of Education and Computer Applications Vol. 2 No. 2 (2025)
Publisher : Institute Of Advanced Knowledge and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69693/jeca.v2i2.30

Abstract

This study aims to determine the effect of the Project Based Learning (PjBL) model on the critical thinking skills of fifth grade students in Natural and Social Sciences (IPAS). The type of research used is quantitative with an experimental method, using a one-group pretest-posttest design. The research subjects were 24 fifth grade students at State Elementary School 124401 Pematangsiantar.The research instrument is a critical thinking essay test that has been validated by experts. The results of the study showed a significant increase in students' critical thinking skills after implementing the PjBL model. The students' average pretest score was 52.5, which increased to 85.33 on the posttest. The N-gain calculation produces a score of 0.70 which is in the high category. This proves that the PjBL model is effective in improving students' critical thinking skills. The implication of this research is that teachers can utilize PjBL as an alternative learning model to improve the quality of students' critical thinking at UPTD SD 124401 Pematangsiantar.
Co-Authors -Angin, Daniel Edonta Perangin Agnes Manurung Alex Suger Situmorang Ardiansyah Sibagariang Arent, Ease Arma Tresia Simanullang Arpita Simanjuntak Asister Fernando Siagian Aulia, Natasya Betsaida, Elisabeth Br Barus, Eka Febriani Butar-Butar, Jesica Cinthya Roulina Sitohang Damanik, Winca Lauren Diah Mareta Damanik Diana Falentina Simamora Dita Cahaya Simbolon Donna Manurung Edy Surya Effendi Manalu Eko Rado Elisabeth Betsaida Enjelina Nainggolan, Ronada Ester Ayu Dewi Sihombing Esti Marlina Sirait Eva Pasaribu Friska Erna Sari Simajuntak Friswan Manurung Grace viani enjelia simarmata Grescya Saragih Hanna Gabriella Gurning Herlina Sitanggang Herlina Tinambunan Hetti Esmeralda Sirait I A Tanjung, Yega Azhary Icca Fransiska Sinaga Ida Ayu Putu Sri Widnyani Ipan Sihite Irma Ernestina Turnip L. Tobing, Minar Trisnawati Ledy Suryani Siahaan Lestari Widya Veronica Hasibuan Lumbantobing, Minar T. Manurung, Gaby Margareth Marentina Inggrid Sinaga Maret Ningsihermina Sihombing Mega Enjelia Sijabat Meno Karolina Tanjung Mungkap Mangapul Siahaan Nadapdap, Titin S. Napitupulu, Rio Parsaoran Natalina Purba Panjaitan, Ester Damayanti PANJAITAN, MUKTAR B Pasaribu, Eva Purba, Nadila Insani Purba, Nancy Angelia Rajagukguk, Ezra Veronika Reinha Rosari Simanungkalit Restu Restu Ria Anjelina Siahaan Rianto Nainggolan Rifka Sriwati Hutagaol Ririsna Girsang, Ade Royanta Trimei Simatupang Samsidar Tanjung Saragih, Jihan Nurhadillah Saragih, Selamat Triadil Siahaan, Nitalin Siburian, Yesika Sidabutar, Meliana Sari Sidabutar, Yanti Arasi Sihombing, Lisbet Sihombing, Lisbet N. Sihombing, Partohap Sijabat, Desi Silvani Oktavia Silaban Simanjuntak, Kezia Carolina Simanjuntak, Melvin M. Simanjuntak, Melvin Melanthon Simanjuntak, Tarida SIMAREMARE, JUNI AGUS Simarmata, Radode K. Simarmata, Radode Kristianto Sinaga, Christa Voni Roulina Sirait, Esti Marlina Sirait, Fitri Novita Sari Sirait, Jumaria Sirait, Khorint Meilani Sitanggang, Mita Oktaviani Sitio, Hetdy Sitohang, Mei Evelina Sitohang, Sukardo Sitorus, Lampola Sonia Dhelafani Sonia Raherka Sotarduga Sihombing Sotarduga Sihombing Sotarduha Sihombing Tambunan, Demson M. Tambunan, Janwar Tambunan, Marlina Agkris Thantri, Joice Diva Vahira, Yola Welfha Situngkir Yessi Kristiani Lumbantobing