The Impact of the Problem-Based Learning Model with an Open-Ended Approach on the Creative Thinking Skills of 10th Grade Students in Quadratic Function Education
), Ester Maesya Tamba(2), Masri Endayanti Simbolon(3), Tri Nova Enjelika(4), Ingrid Simangunsong(5),
(1) Universitas Negeri Medan
(2) Universitas Negeri Medan
(3) Universitas Negeri Medan
(4) Universitas Negeri Medan
(5) Universitas Negeri Medan
Corresponding Author
Abstract
This study aims to evaluate the effect of integrating the Problem-Based Learning (PBL) model with an open-ended approach on the creative thinking skills of 10th-grade students in mathematics, specifically in the topic of Quadratic Functions. The research was conducted at Cahaya Medan Private High School, involving six 10th-grade classes. Two classes were selected as the sample: Class X-2, which participated in the experimental group and received instruction through the PBL model with an open-ended approach, and Class X-3, the control group, which followed traditional teaching methods. Each group consisted of 34 students. A quasi-experimental design was employed, incorporating pretest and posttest evaluations, along with five validated open-ended questions to assess the outcomes. Data analysis was performed using a t-test. The experimental group achieved an average posttest score of 84.94, while the control group scored 77.09. The t-test results showed that the PBL model, when combined with the open-ended approach, significantly improved the students' creative thinking abilities in learning Quadratic Functions.
Keywords
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DOI: 10.57235/arrumman.v2i1.6348
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Copyright (c) 2025 Bertua Marisi Gabryella Siahaan, Ester Maesya Tamba, Masri Endayanti Simbolon, Tri Nova Enjelika, Ingrid Simangunsong
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