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Bajongga Silaban, Bajongga
Universitas HKBP Nommensen
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Analysis of Students’ Scientific Reasoning Profiles Using the Lawson’s Classroom Test of Scientific Reasoning Pardede, Hebron; Surbakti, Mariana; Silaban, Bajongga
Jurnal Pendidikan Fisika dan Teknologi (JPFT) Vol 12 No 1 (2026): January-June (In Press)
Publisher : Department of Physics Education, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpft.v12i1.10680

Abstract

This study investigates the scientific reasoning profiles of physics education students using Lawson’s Classroom Test of Scientific Reasoning (LCTSR). A descriptive quantitative design was employed with 50 undergraduate students from the Physics Education Study Program at Universitas HKBP Nommensen, Indonesia. The LCTSR instrument consists of 30 paired multiple-choice items assessing six dimensions of scientific reasoning: conservation reasoning, proportional reasoning, control of variables, probabilistic reasoning, correlational reasoning, and hypothetico-deductive reasoning. The results show that the mean LCTSR score was 12.4 out of 30, indicating that most students were at the transitional reasoning level. Specifically, 30% of students were classified as concrete reasoners, 56% as transitional reasoners, and only 14% as formal reasoners. Among the six reasoning aspects, conservation reasoning demonstrated the highest achievement (77.5%), whereas hypothetico-deductive reasoning was the weakest (16.7%). The findings indicate substantial difficulties in abstract reasoning processes. These results highlight the need for explicit instructional strategies to promote higher-order scientific reasoning in physics education programs.
Co-Authors Afriyanti Pakpahan Albertus Hariwangsa Panuluh Asnida Asnida Asnida Asnida Nainggolan Ayunirmala Daryanti Zalukhu Batu, Eka D. Lumban Batu, Eka. D Lumban Berkatdo Silaban Br Surbakti, Mariana Cindy Enjelina Purba Damanik, Masta Artani Sari Dewi Lestari Pardede Eka Notasya Simanullang Febrius Buulolo Harita, Taufik Hidayat Hebron Pardede Indah Septa Ayu Laia Irving Josafat Alexander Ivana Simanungkalit JANUARIS PANE juliper nainggolan Lase, Leni Marlina Layasina Simbolon Leni Marlina Lase Lukman Pardede Lukman Pardede Lumban Raja, Rina Anggriani Manalu, Andriono Manalu, Nissi WF Manurung, Sartika Marbun, Juliaster Mariana Br. Surbakti Mega Kristina Gea Melani Dewi Nagur Monica Limbong MULA SIGIRO Nababan, Sulastri Nababan, Tulus Nagur, Melani Dewi Naibaho, Tutiarny nainggolan, juliper Nanny Lumbantobing Nanny Natania Lumbantobing Ninda Dermila Rani Pulungan Nirmala Dinalias Tafonao Nora Hesevia Pangaribuan Novi Aulia Sari Novita Sari Pardede, Dewi Lestari Pardede, Hebron Parlindungan Sitorus Pasaribu, Asnita Pasaribu, Ibram Purba, Jusbinaraya Raja, Elisa Octavia Lumban Ridana Laia Rince Rince Rince, Rince Riossally Marselina Tumanggor Riossally Marselina Tumanggor Riossally Marselina Tumanggor Sagala, Novita Enjeli Sari Laurawulan Pasaribu Sarinaiba Situmeang Selviyanti Sibarani, Donna Sianturi, Mia Agustine C. Sigalingging, Grace Joy Sihombing, Juliati Sihotang, Puspita Sari Silaban, Erny Silaban, Winda Silaban, Winda M. silaen, sri natalia Simanjuntak, Anggriani Simatupang, Yosua Hasudungan Simbolon, Lamtiur Verawati Sinaga, Dini Lusiana Siregar, Andre Juprezer SITINJAK, ERNI KUSRINI Sitohang, Parida Sitorus, Chica Ro Maito Sonya Mutiara Simanungkalit Surbakti, Mariana Br Tambunan, Sriyana Anjelia Tampubolon, Erna Helena Telaumbanua Telaumbanua Turnip, Agnes Tutiarny Naibaho Viriska Winda S. Silaban Yesi Monalisa Purba