This study aims to find out the characteristics of the appropriate book for improving understanding of mathematical concepts, especially on the subject of function by utilizing Geogebra program. The research method used is research and development, where the research is intended to develop and produce certain products, and test the effectiveness of these products. Subjects in this study were students of SMP Negeri 6 in the city of Serang with a limited scale test conducted on 5 students, while field tests were conducted on 15 students. The conclusions developed in this study that use the teaching materials by utilizing Geogebra program have improved conceptual understanding compared with the students before using the teaching materials.
AbstrakPenelitian ini bertujuan untuk dapat mengetahui karakteristik buku yang memadai bagi peningkatan pemahaman konsep terhadap matematika, khususnya pada pokok bahasan fungsi dengan memanfaatkan program Geogebra. Metode penelitian yang digunakan yaitu penelitian dan pengembangan, dimana penelitian ini dimaksudkan untuk mengembangkan dan menghasilkan produk tertentu, serta menguji keefektifan produk tersebut. Subyek dalam penelitian ini adalah siswa SMP Negeri 6 Kota Serang dengan uji skala terbatas dilakukan pada 5 siswa, sedangkan uji lapangan dilakukan terhadap 15 siswa. Kesimpulan yang diperoleh dalam penelitian ini siswa yang menggunakan bahan ajar dengan memanfaatkan program Geogebra mengalami peningkatan pemahaman konsep dibandingkan dengan siswa sebelum menggunakan bahan ajar. PENDAHULUANKontribusi matematika begitu besar dalam kehidupan manusia dan perkembangan ilmu pengetahuan lainnya. Sehingga pelajaran matematika di sekolah dapat digunakan sebagai alat untuk memecahkan masalah dalam mata pelajaran lain atau kehidupan sehari-hari, membentuk pola pikir siswa dalam
Bone grafts a commonly used therapeutic technique for the reconstruction and facilitation of bone regeneration due to fractures. BHA–GEL (bovine hydroxyapatite–gelatin) pellet implants have been shown to be able accelerate the process of bone repair by looking at the percentage of new bone, and the contact between the composite and bone. Based on these results, a study was conducted by placing BHA–GEL (9:1) pellet implants in rabbit femoral bone defects, accompanied by 500 mg oral supplement of BHA or calcium lactate to determine the effectiveness of addition supplements. The research model used was a burr hole defect model with a diameter of 4.2 mm in the cortical part of the rabbit femur. On the 7th, 14th and 28th days after treatment, a total of 48 New Zealand rabbits were divided into four groups, namely defect (control), implant, implant + oral BHA, and implant + oral calcium lactate. Animal tests were terminated and evaluated based on X-ray radiology results, Hematoxylin-Eosin staining, vascular endothelial growth Factor (VEGF), osteocalcin, and enzyme-linked immunosorbent assay (ELISA) for bone alkaline phosphatase (BALP) and calcium levels. From this research can be concluded that Oral BHA supplementation with BHA–GEL pellet implants showed faster healing of bone defects compared to oral calcium lactate with BHA–GEL pellet implants.
ABSTRAK Kekerasan terhadap perempuan adalah salah satu fenomena yang masih terjadi hingga saat ini. Penelitian ini bertujuan untuk mengkaji kekerasan dan dampaknya bagi perempuan yang tergambar dalam novel Room karya Emma Donoghue menggunakan teori Feminisme Radikal oleh Allison Jaggar. Metode yang digunakan adalah kualitatif secara deskriptif dengan melalui proses dokumentasi yang diperoleh dari novel Room. Penelitian ini menemukan beberapa bentuk kekerasan yang dialami tokoh perempuan di dalam novel yang meliputi kekerasan seksual, kekerasan fisik dan kekerasan emosional. Dampak dari kekerasan terhadap tokoh perempuan di novel Room adalah menjadi sulit bersosialisasi, tidak mudah mengendalikan amarah dan mengalami stres pasca kejadian traumatis. Kata Kunci : Kekerasan, Feminisme Radikal, Bentuk Kekerasan, Dampak Kekerasan ABSTRACT Violence toward female is one of the phenomena that still happen nowadays. This research aimed to discuss about the violence and the effect that reflected in the novel Room by Emma Donoghue using Radical Feminism theory by Allison Jaggar. The method that used is qualitative in the descriptive way with through a documentation process obtained from the novel Room. This research found some form of violences of the female character in the novel that consists of sexual violence, physical violence and emotional violence. The effects of the violence toward the female character in the novel Room are having difficulties to socialize with people, troubles to manage the anger and dealing with stress after a traumatic event. Keywords : Violence, Radical Feminism, Forms of Violence, Effects of Violence
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