Nasopharyngeal carcinoma (NPC) is a tumor which develops from changes in the epithelial cells that cover the nasopharynx's surface. NPC can be caused by genetic factors, environmental factors, or Epstein Barr Virus infection. Finding the symptoms caused by NPC, such as nasal symptoms, ear symptoms, eye and nerve symptoms, and symptoms of metastases in the neck, can serve to establish a dia…
Hypertension is a major cause of cardiovascular disease that often found at younger age lately. This study aims to determine the prevalence and risk factors of prehypertension and hypertension among first-year students in medical faculty of Riau University. The type of this research is descriptive analytic with a crosss sectional approach. The sampling technique is a total sampling techniqu…
Dengue Hemorrhagic Fever (DHF) is a disease that cause a serious problem around the world. This disease is caused by virus dengue which is transmitted through Aedes aegypti. There are many ways to control this mosquitoes, one of them is using an insecticides. However, the use of insecticide can cause resistance to mosquitoes if not used properly. The purpose of this study was to determine t…
Streptococcus mutans (S. mutans) is a bacterium that has surface glucosyltransferase (GTFs) enzymes that play a role in the attachment process and the virulence of bacteria on the tooth surface. Various Gtfs enzymes can be found in Streptococcus mutans, one of which is the gtfD gene which acts as a precursor in cellular adhesion of dental plaque that can cause dental caries. Objective: Thi…
A forensic autopsy and exhumation is checking to determine cause of death. Suicide, killing and accident is a way of unnatural death.The purpose of this research is to know wheter there is a relationship between decay gradation and determining cause of death period of 2015-2020 in Riau Province using an analitic method. The data for this study was obtained from forensic reports belongs to R…
The purpose of this study was to determine the effect of professional competence and organizational commitment on job satisfaction of elementary school teachers, Mandau District, Bengkalis Regency. The background of the problem in this study is job satisfaction that there is no reward or compensation for teacher work performance, the atmosphere at work is very uncomfortable. They are treat…
This study aims to describe the influence of personality and integrity on the creativity of teachers at the State Elementary School, Balai Jaya District, Rokan Hilir Regency. The background of the problem in this research is the phenomenon that occurs in the State Elementary School, Balai Jaya District, Rokan Hilir Regency. The results of observations and interviews show that there are some tea…
The limitations of practical tools make it difficult for teachers to explain the concept of harmonic motion. The measurement of harmonic motion parameters in the experiment is still done manually. Several sets of harmonic motion experiments that have been developed are still limited in recording the vibration time. The measurement of the vibration time with a stopwatch causes the measureme…
Education in the 21st century demands modern and professional education management with an academic and educational nuance. So the need for enlightenment and empowerment of every type and level of education. One of these enlightenment and empowerment can be done from the aspect of procurement of teaching materials, teaching materials can be pursued by developing teaching materials continuo…
Faculty of Teacher Training and Education (FKIP) Riau University (UNRI), especially the Biology Education Study Program has implemented Environmental Science and Disaster Mitigation course which aims to provide insight and understanding to students so that they are more familiar with the environment and are responsive to problems that arise. In realizing these goals, of course, requires ap…
21st-century skills demand highly intelligent and skilled human resources. Educational institutions are required to carry out reforms to prepare 21st-century Human Resources (HR). Strategies that can be done to shape 21st-century skills are through the implementation of HOTS-based Teaching and Learning Activities (KBM) assisted by innovative learning resources to produce human resources who can…
Plants in the Riparian Zone of Buluh Cina that grows along the Kampar river is one of the local potentials that can be utilized in learning to increase students' motivation, curiosity, and caring attitude towards the surrounding environment. However, educators do not use the environment as a source and learning media so that students' knowledge is limited. Therefore, a learning enrichment …
The background of this research is because of the low Mathematical Communication Ability (KKM) of students. This study aims to produce a valid and practical mathematics learning tool to facilitate students' KKM on the material of linear equations and inequalities of one variable class VII SMP/MTs Pekanbaru. This learning device development research is a development research that uses the ADDIE…
This research is motivated by the weakness of teachers in compiling learning tools such as syllabus and Learning Implementation Plans in accordance with the 2013 curriculum. The learning process in the 2013 curriculum is student-centered learning, students are expected to be active in learning activities. One of the learning resources needed by students in learning activities is the Student Wor…
This research is motivated by the difficulty of teachers in compiling learning tools based on the 2013 curriculum reference, the lack of understanding of teachers in 2013 learning, even though teachers have attended 2013 curriculum training but have not been able to facilitate teachers in compiling the recommended tools in the 2013 curriculum. Based on the analysis of learning tools (syllabus, …
This research is motivated by the importance of developing learning tools that can facilitate students' mathematical reasoning abilities. However, in reality there are still teachers who have not made learning tools because of difficulties in compiling learning tools according to the 2013 curriculum reference. Lesson plans does not meet the requirements of a good student worksheet. Weaknesses t…
This research is motivated by mathematical problem is not optimal in solving ability of students because the lack of availability of learning tools that practice students' mathematical problem solving abilities, especially Student Worksheets (LKPD). Teachers have difficulty in compiling learning tools based on the 2013 curriculum reference because the teachers had lack of understanding of the 2…
The background of the problem in this study is related to the mathematics teaching materials used in schools and the low mathematical representation ability of students. The use of teaching materials is very important in a learning process. Teaching materials are all materials or materials that are systematically arranged and provide direction in achieving the desired learning objectives. There…
This research is motivated by the low ability of students to understand mathematical concepts and limited learning tools. Based on the results of interviews and analysis conducted by researchers, information was obtained that the learning tools used by teachers in schools did not refer to and were not in line with the demands of the 2013 curriculum. In this regard, this study aims to produce ma…
This research is motivated by the low mathematical problem solving ability of students. Based on the results of interviews, observations and tests of mathematical problem solving skills conducted by researchers, information was obtained that the learning tools used by teachers in schools did not refer to and were in accordance with the demands of the 2013 curriculum. So that students' mathemati…