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Kemampuan Literasi Matematis Siswa Ditinjau dari Jenis Pemahaman Skemp dalam Konteks Statistika Ningsih, Hesti Rahayu; Suryanti; Pramesti, Cicik
Polinomial : Jurnal Pendidikan Matematika Vol. 4 No. 4 (2025)
Publisher : Papanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56916/jp.v4i4.2496

Abstract

Mathematical literacy is an essential competence in education, encompassing the ability to understand and apply mathematical concepts in everyday life. Within the topic of statistics, this literacy becomes particularly relevant, as it relates directly to data processing and interpretation. However, many students tend to memorize formulas mechanically without fully understanding their meaning and purpose. This study aims to examine students’ mathematical literacy skills in relation to Skemp’s theory of understanding, which distinguishes between instrumental and relational understanding. The research employed a qualitative case study approach, involving three eighth-grade students at SMPN 1 Sanankulon who represented high, medium, and low levels of ability. The research instruments consisted of a mathematical literacy test based on statistical contexts and interview guidelines designed to explore students’ reasoning processes. Data analysis referred to three indicators of mathematical literacy developed by PISA, namely formulating, employing, and interpreting. The findings revealed that students with relational understanding demonstrated higher levels of mathematical literacy compared to those with instrumental understanding. Relational learners were able to connect statistical concepts with real-life contexts, justify the procedures used, and interpret results meaningfully. In contrast, students with instrumental understanding often relied on rote memorization of formulas, leading to difficulties in adapting their knowledge to new or unfamiliar contexts. These results highlight the importance of promoting relational understanding as a foundation for enhancing mathematical literacy. The study suggests that instructional strategies should emphasize contextual problem-solving, conceptual connections, and reflective reasoning, particularly in statistics, to better equip students with the skills needed for data interpretation and informed decision-making in real-world situations
Effect of Bengkoang (Pachyrhizus erosus) Extract on Estrogen Receptor-?, Progesterone Receptor Expression, and Follicle-Stimulating Hormone Levels Suryanti; Putri Ardela, Mayasari; Frenty Hadiningsih, Eka; Winarsih, Sri; Noorhamdani; Nurseta, Tatit; Norahmawati, Eviana
Indonesian Journal of Obstetrics and Gynecology Volume 13. No. 3 July 2025
Publisher : Indonesian Socety of Obstetrics and Gynecology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32771/inajog.v13i3.2180

Abstract

Abstract Objective: Progesterone functions by inhibiting the release of Gonadotropin-Releasing Hormone (GnRH), which decreases Follicle-Stimulating Hormone (FSH) levels and converts them into hypoestrogens. This condition affects the expression of steroid, estrogen, and progesterone receptors, contributing to endometrial proliferation and secretion during the menstrual cycle. Methods: This study aims to demonstrate that Bengkoang extract administration increases the expression of Estrogen Receptor (ER), Progesterone Receptor (PR), and Follicle-Stimulating Hormone (FSH) in Wistar model rats. This study divided 25 female Wistar rats into five groups: one control group without progesterone and Bengkoang extract and four treatment groups injected with progesterone. After exposure, Bengkoang extract was administered to three treatment groups at doses of 70 mg/200 g BW/day (treatment 1), 140 mg/200 g BW/day (treatment 2), and 280 mg/200 g BW/day (treatment 3). Results: The results showed an increase in the expression of Estrogen Receptor- ? (Er?), Progesterone Receptor (PR), and Follicle-Stimulating Hormone (FSH) levels in treatment 1, treatment 2, and treatment 3 groups compared to the KP with p <0.05 Conclusion: The study investigating the effect of Bengkoang (Pachyrhizus erosus) extract on estrogen receptor-? (ER?), progesterone receptor (PR) expression, and follicle-stimulating hormone (FSH) levels has demonstrated significant findings. Keywords: Estrogen, Estrogen receptor-?, Follicle-stimulating hormone, Pachyrhizus erosus, Progesterone, Progesterone receptor
Co-Authors Abdul Qadir Jailani, Abdul Qadir Ahmad Hariyadi AIRANI CENDANI, CENDERA Al Amady, M. Rawa ALFARIS, RENALDY Alviany Dwi Syafitri Amiruddin Anlianna Anrilia E.M. Ningdyah ANUNG PRAKOSA, GAGAS Anwar Sadat Aprilla Adelia Aquarini Arumraksmi, Gisa AYU ARTA DIANSYAH, KURNIA Ayu Silvi Lisvian Sari Azhariah Rachman Bardah Barokah, Awalina Binar Kurnia Prahani Binar Kurnia Praharani Chalid, Lukman Cicik Pramesti Darmawati Devi Ristyana Puji Lestar DEWI NUR SOLEKHAH, ROSITA Dewi Pangestuti Dewi, Silvana Dwi Purwanti, Mei DWI RAHMA WIDYANTI, RISTA Edo Praguna Efi Kristiana ELOK SUDIBYO Ema Komala, Encik Putri Erfina, Erfinawati ERIYANTI, EVI Eviana Norahmawati Farida Istianah FEBRIANI, DWI Fitria Jannatul Laili Fitria Yunaini, Fitria Fittari, Mustika Frenty Hadiningsih, Eka Gustan Pari Gustianingsih Hapisah Harto Malik Heppy Millanyani Hermansyah HIDAYATI, CHUSNUL Husniati Ikhsan Imam Ghozali Intan Suryani, Intan Ismawirna ita handayani Januarsih Jefriyanto Saud JULIANTO Jumiati Kartika, Maudy Lila KHOIRIN NIKMAH, AFIAH Kristiana, Efi Kusnila, Elok Dwi KUSUMANINGSIH, ALIFAH Lili Rahmawati Luqqy Muzakky, Dafis M Ningdyah, Anrilia Ema M. Syahrul Izomi Mahiroh, Febby Faza Mardiyanto Mardiyanto Mariati, Pance Marta Dinata MASWINDAH, AYU mellisa MINTOHARI Miranda Sari, Dwi Muhammad Husni Muhammad Iqbal Muta'allim Muta'allim Nadi Suprapto NANDA APRILIA, GHATI Neni Mariana Neni Mariana Ningsih, Hesti Rahayu Nisa, Sitta Khoirin Noorhamdani Nunuk Hariyati Nur Hidayat Nurkasanah, Hilda Sinta Nurkhairo Hidayati Nurnajamuddin, Mahfud Pambajeng, Ana Pangestu, Puja Pramesti, Cicik Purnamasari, Asri Indah Putri Ardela, Mayasari Putri Azzahroh Putri, Arizkylia Yoka Rachmasari, Bella Rahayu, Meike Nanda Wahyu Putri Rahmawati Ratna Said RETNO WARDHANI, NOVI Riki Suliana R.S Riki Suliana R.S. Rina Novia Yanti Riska Runa Helmina Rusmia Azizah Sabdaningsih , Aninditia Saepulloh Saepulloh Sakbana Kusuma, Rendra Saki, Vernonia Yora Salsabilla, Zahra Salvianti, Efti Samsuddin Samsuddin Saputra , Suradi Wijaya Saputra, Riko Aditya Sari, Ayu Silvi Lisvian Selvia Santi Sembiring, Rinawati Sidik, Riki Suliana Ranggawati Solissa, Everhard Markiano Sri Rustiyanti Sri Winarsih Sriati Dwiatmini Sulaiman, Mochammad Hafidz Sulistyowati, Dwi Ratna Sunanto Suprapto , Nadi SUPRIYONO Susilo, Nur Joko Sutarno Syahru Ramadhan Tamam, Abdulloh TARWIYAH ITSNAINI, FADILA Tatang Tajudin Tatit Nurseta Trisniningsih, Retno Utiya Azizah Wahono Widodo Wahono Widodo Wanda Listiani Widyalistyorini, Dian Wiryanto Wiwin Fida Yanti Wulan Sari Yuniarti Zaedun Naim Zakiah Zarkasi