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All Journal Jurnal Riset Rumpun Ilmu Pendidikan (JURRIPEN) RESLAJ: Religion Education Social Laa Roiba Journal
Jona Mikhael Hutagaol
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Religion Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Social Sciences Other

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Analisis Kesalahan Mahasiswa dalam Geometri: Studi pada Pemahaman Sudut dalam Garis Sejajar Annisa Saktiono; Agnia Kamila Rambe; Syifani Azzura; Jona Mikhael Hutagaol; Firman Satria Tafonao; Kms. Muhammad Amin Fauzi
Reslaj: Religion Education Social Laa Roiba Journal Vol. 7 No. 5 (2025): RESLAJ: Religion Education Social Laa Roiba Journal
Publisher : Intitut Agama Islam Nasional Laa Roiba Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47467/reslaj.v7i5.7448

Abstract

This study aims to analyze the types of mistakes made by students in understanding the concept of angles on parallel lines and the factors that cause them. The approach used in this study is qualitative with a descriptive design, which allows the researcher to dig deeply into the pattern of errors that occur. The research subjects consisted of seven students who were selected using the purposive sampling technique based on certain criteria. Data collection is carried out through diagnostic tests that include various types of angles, such as facing angles, opposite inside corners, and unilateral inside angles. The results of the study show that student errors can be classified into four categories according to Soedjadi (in Ananda, dkk 2018), namely factual errors, conceptual errors, principle errors, and operational errors.
Perspektif Mahasiswa Matematika tentang Pencampuran Ekstrak Lidah Buaya (Aloe Vera) dengan Larutan Asam Lemah terhadap Kesehatan dan Kelembutan Rambut Dimas Ridho; Tita Juwitaningsih; Syifani Azzura; Annisa Saktiono; Agnia Kamila Rambe; Jona Mikhael Hutagaol; Lutfiah Syahrawani Siregar
JURNAL RISET RUMPUN ILMU PENDIDIKAN Vol. 4 No. 1 (2025): April : Jurnal Riset Rumpun Ilmu Pendidikan
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurripen.v4i1.4871

Abstract

This study aims to analyze the perspectives of mathematics students on mixing aloe vera extract with weak acid solution for hair health and softness. The research method used is descriptive quantitative through the distribution of questionnaires to 43 mathematics students at Medan State University and other universities in North Sumatra. The questionnaire consists of 19 statements covering aspects of knowledge (12 items), environmental awareness (4 items), and psychomotor (4 items) with a Likert scale of 1-5. The results showed that the majority of respondents had good knowledge about the benefits of aloe vera for hair care (mean = 4.02), but the understanding of weak acid solution and its mechanism of action was still moderate (mean = 3.12). The environmental awareness aspect showed a high value (mean = 3.76) which reflects the tendency of students to choose natural products. Meanwhile, the psychomotor aspect showed a moderate value (mean = 3.44), which indicates the limitations of respondents' skills in applying hair care products optimally. This study found a positive correlation between knowledge about natural ingredients and the tendency to use natural-based products for hair care. The results of this study are expected to be the basis for developing hair care product formulations based on natural ingredients that suit the needs and preferences of students.
Co-Authors Agnia Kamila Rambe Annisa Saktiono Dimas Ridho Firman Satria Tafonao KMS. Muhammad Amin Fauzi Lutfiah Syahrawani Siregar Syifani Azzura Tita Juwitaningsih