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All Journal JURNAL PENDIDIKAN TAMBUSAI AR-RUMMAN: Journal of Education and Learning Evaluation As-Syirkah: Islamic Economic & Financial Journal
Enjelika, Tri Nova
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Religion Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Social Sciences Other

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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 Siahaan, Bertua Marisi Gabryella; Tamba, Ester Maesya; Simbolon, Masri Endayanti; Enjelika, Tri Nova; Simangunsong, Ingrid
AR-RUMMAN: Journal of Education and Learning Evaluation Vol 2, No 1 (2025): Juni 2025
Publisher : CV. Rayyan Dwi Bharata

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57235/arrumman.v2i1.6348

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.
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 Siahaan, Bertua Marisi Gabryella; Tamba, Ester Maesya; Simbolon, Masri Endayanti; Enjelika, Tri Nova; Simangunsong, Ingrid
AR-RUMMAN: Journal of Education and Learning Evaluation Vol 2, No 1 (2025): Juni 2025
Publisher : CV. Rayyan Dwi Bharata

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57235/arrumman.v2i1.6348

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.
Pengaruh Bahasa Gaul pada Kalangan Remaja di Indonesia Rosmaini, Rosmaini; Siahaan, Bertua Marisi Gabryella; Enjelika, Tri Nova; Purba, Miranda br.; Simangunsong, Ingrid
Jurnal Pendidikan Tambusai Vol. 8 No. 2 (2024)
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

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Abstract

Studi ini mengkaji penggunaan bahasa gaul di kalangan remaja di jejaring sosial. Tujuan dalam penelitian ini adalah untuk mengetahui pengaruh penggunaan bahasa gaul terhadap penggunaan Bahasa Indonesia pada kalangan remaja di Indonesia. Bahasa gaul adalah bentuk bahasa informal yang populer untuk ekspresi diri remaja dan identitas kelompok. Metode observasi dan wawancara digunakan untuk mengumpulkan data remaja usia 13-18 tahun. Hasil penelitian menunjukkan bahwa bahasa gaul memfasilitasi komunikasi dan penciptaan komunitas online yang inklusif. Namun penggunaan bahasa gaul juga dapat menimbulkan kesenjangan komunikasi antar generasi. Penelitian ini menyoroti peran bahasa gaul dalam dinamika sosial remaja dan memberikan wawasan tentang komunikasi digital dan perkembangan bahasa.
Efektivitas Program Ketahanan Pangan dalam Menangani Kasus Stunting di Kabupaten Asahan Tahun 2024 Frisnoiry, Suci; Enjelika, Tri Nova; Siahaan, Bertua Marisi Gabryella; Dupa, Lidya Priska
As-Syirkah: Islamic Economic & Financial Journal Vol. 3 No. 3 (2024): As-Syirkah: Islamic Economic & Financial Journal 
Publisher : Ikatan Da'i Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56672/68ph3q07

Abstract

Food is one of the basic human needs. If these needs are not met, both in quantity and quality at the individual and household levels, it will interfere with the achievement of a healthy, active and sustainable quality of life and can lead to various health and nutrition problems. Stunting is one of the chronic nutritional problems caused by low access and affordability to food. The purpose of this study was to analyze the relationship between household food security and the incidence of stunting in toddlers aged 6-23 months in Asahan Regency in 2024. This type of research is observational with a case-control design. The research sample was under-fives aged 6-23 months, totaling 126 for each case and control group with a ratio of 1:1. The sampling technique used the total sampling method. Data were analyzed in stages, namely univariate, bivariate and multivariate analysis. Bivariate statistical test using chi-square and multivariate using logistic regression. The results of the bivariate analysis showed that household food security was associated with the incidence of stunting in children aged 6-23 months (p=0.04, OR=2.70, 95% CI: 0.94-8.77). External variables that were significantly associated with the incidence of stunting in children aged 6-23 months were maternal height (p=0.00, OR=2.03, 95% CI: 1.14-3.65) and history of LBW (p=0.03, OR=3.02, 95% CI: 0.98-11.04). Multivariate analysis results
Co-Authors Dupa, Lidya Priska Purba, Miranda br. Rosmaini Rosmaini, Rosmaini Siahaan, Bertua Marisi Gabryella Simangunsong, Ingrid Simbolon, Masri Endayanti Suci Frisnoiry Tamba, Ester Maesya