scholarly journals LEVEL BERPIKIR GEOMETRI MENURUT TEORI VAN HIELE BERDASARKAN KEMAMPUAN GEOMETRI DAN PERBEDAAN GENDER SISWA KELAS VII SMPN 8 PAREPARE

2016 ◽  
Vol 4 (2) ◽  
pp. 103 ◽  
Author(s):  
Lisa Aditya Dwiwansyah Musa
Keyword(s):  
Gender Differences ◽  
Female Student ◽  
Male Student ◽  
Ability Test ◽  
Van Hiele ◽  
Van Hiele Theory ◽  
The Subject ◽  
Level 1 ◽  
And Gender ◽  
Level 2

The study aimed at describing the level in thinking geometry according to Van Hiele theory based on geometry ability and gender differences. The subjects of the study were 4 people consisted of a male student with high geometry ability (LT), a female student with high geometry ability (PT), a male student with low geometry ability (LR), and a female student with low geometry ability (PR). The instrument of the study was the researcher herself as the main instrument assisted by test of geometry ability, test of Van Hiele, and guided interview which was valid and reliable. Data were collected by conducting test and test-based interview. The subject of the study grade VII students consisted of 4 people. The process of the study was conducted in several steps, namely (a) formulating the indicator of the level in thinking geometry according to Van Hiele theory based on the relevant theory and research, (b) formulating the supporting instrument (test of geometry ability, test of Van Hiele geometry, and guided interview) which was valid and reliable, (c) deciding the research subjects by providing test of geometry ability, (d) obtaining the data to reveal the level in thinking geometry of students on the characteristics of tetragon, (e) conducting time triangulation to obtain valid data, (f) conducting data analysis of the level in thinking geometry of students according to Van Hiele theory based on the geometry ability and gender differences, (g) conducting the discussion of the result of analysis, and (h) conducting conclusion drawing of the result of the study. The result of the study revealed that (1) the subject of LT was in level 2 of pre-ordering (unmaximized level 2), the subject had lack of understanding the correlation among planes in making the definition, (2) the subject of PT was in level 2 of pre-ordering (unmaximized level 2), the subject had lack of understanding the correlation among planes in making the definition, (3) the subject of LR was in level 1 of analysis, the subject could determine the characteristics of a plane; where as (4) the subject of PR was in level 1 of analysis, subject could determine the characteristics of a plane.

scholarly journals Level Berpikir Geometri Menurut Teori Van Hiele Berdasarkan Kemampuan Geometri dan Perbedaan Gender Siswa Kelas VII SMPN 8 Pare-Pare

2018 ◽  
Vol 4 (2) ◽  
pp. 103-116 ◽  
Author(s):  
Lisa Aditya Dwiwansyah Musa
Keyword(s):  
Gender Differences ◽  
Female Student ◽  
Male Student ◽  
Ability Test ◽  
Van Hiele ◽  
Van Hiele Theory ◽  
The Subject ◽  
Level 1 ◽  
And Gender ◽  
Level 2

The study aimed at describing the level in thinking geometry according to Van Hiele theory based on geometry ability and gender differences. The subjects of the study were 4 people consisted of a male student with high geometry ability (LT), a female student with high geometry ability (PT), a male student with low geometry ability (LR), and a female student with low geometry ability (PR). The instrument of the study was the researcher herself as the main instrument assisted by test of geometry ability, test of Van Hiele, and guided interview which was valid and reliable. Data were collected by conducting test and test-based interview. The subject of the study grade VII students consisted of 4 people. The process of the study was conducted in several steps, namely (a) formulating the indicator of the level in thinking geometry according to Van Hiele theory based on the relevant theory and research, (b) formulating the supporting instrument (test of geometry ability, test of Van Hiele geometry, and guided interview) which was valid and reliable, (c) deciding the research subjects by providing test of geometry ability, (d) obtaining the data to reveal the level in thinking geometry of students on the characteristics of tetragon, (e) conducting time triangulation to obtain valid data, (f) conducting data analysis of the level in thinking geometry of students according to Van Hiele theory based on the geometry ability and gender differences, (g) conducting the discussion of the result of analysis, and (h) conducting conclusion drawing of the result of the study. The result of the study revealed that (1) the subject of LT was in level 2 of pre-ordering (unmaximized level 2), the subject had lack of understanding the correlation among planes in making the definition, (2) the subject of PT was in level 2 of pre-ordering (unmaximized level 2), the subject had lack of understanding the correlation among planes in making the definition, (3) the subject of LR was in level 1 of analysis, the subject could determine the characteristics of a plane; where as (4) the subject of PR was in level 1 of analysis, subject could determine the characteristics of a plane.

scholarly journals KOMUNIKASI MATEMATIKA BERDASARKAN TEORI VAN HIELE PADA MATA KULIAH GEOMETRI DITINJAU DARI GAYA BELAJAR MAHASISWA PROGRAM STUDI PENDIDIKAN MATEMATIKA

2015 ◽  
Vol 9 (2) ◽  
pp. 159
Author(s):  
Fajar Hendro Utomo ◽  
Indah Setyo Wardhani ◽  
Muhammad Abdul Roziq Asrori
Keyword(s):  
Learning Styles ◽  
Learning Style ◽  
Auditory Learning ◽  
Van Hiele ◽  
Construct Definition ◽  
Kinesthetic Learning ◽  
Van Hiele Theory ◽  
Level 3 ◽  
Level 1 ◽  
Level 2

This objective of this study is to describe competency of mathematic communication based on Van Hiele theory on geometry course viewed from visual and kinesthetic learning styles.  The study was conducted in STKIP PGRI Tulungagung in November 2013 to August 2014, assigning 45 students as sample.  The study revealed that: First,  auditory learning style was achieved by: Level 1 = 0, Level 2 = 2, Level 3 = 9, Level 4 = 4, and Level 5 = 0, averaging at Level 3.  This means that students do not understand when they construct  definition, argument, role, formal deduction they worked;  Second, kinesthetic learning style was achieved by: Level 1 = 0, Level 2 = 6, Level 3 = 10, Level 4 = 2, and Level 5 = 0, averaging at Level 3.  This means that students do not understand on the work as done through auditory learning style.

scholarly journals IDENTIFIKASI KEMAMPUAN BERPIKIR KRITIS SISWA KELAS X TKJ DITINJAU DARI KEMAMPUAN AWAL DAN JENIS KELAMIN SISWA DI SMKN 1 KAMAL

2017 ◽  
Vol 4 (1) ◽  
Author(s):  
Muchamad Arif ◽  
Meila Hayudiyani ◽  
Medika Risansari
Keyword(s):  
Critical Thinking ◽  
Key Words ◽  
Female Student ◽  
Self Regulation ◽  
Male Student ◽  
Ability Test ◽  
Student Gender ◽  
The Subject

IDENTIFIKASI KEMAMPUAN BERPIKIR KRITIS SISWA KELAS X TKJ  AbstrakTujuan penelitian ini adalah untuk mengindentifikasikan kemampuan berpikir kritis siswa ditinjau dari kemampuan awal dan jenis kelamin siswa. Berpikir kritis yang digunakan ialah indikator berpikir kritis menurut Facione. Dalam penelitian ini, kemampuan awal dikategorikan menjadi 2 yaitu a) Kemampuan Awal tinggi; dan b) Kemampuan Awal Rendah. Untuk mendapatkan kelompok kemampuan awal tersebut dilakukan tes Kemampuan Awal, kemudian pada masing – masing kategori dikelompokkan lagi berdasarkan jenis kelamin dan didapatkan 4 siswa. Dari keempat subjek tersebut diberikan soal materi subnetting dengan tujuan mengidentifikasikan kemampuan berpikir kritis dari masing–masing kemampuan awal yang dimiliki siswa. Hasil yang diperoleh adalah (1) Siswa dengan kemampuan awal tinggi dan berjenis kelamin laki-laki dapat melalui tahap interpretasi dengan baik, melakukan analisis, evaluasi, inference dan eksplanasi serta self-regulation dengan baik; (2) Siswa dengan kemampuan awal tinggi dan berjenis kelamin perempuan dapat melalui tahap interpretasi dengan baik, melakukan analisis, evaluasi, inference dan eksplanasi serta self-regulation dengan baik; (3) Siswa dengan kemampuan awal rendah dan berjenis kelamin laki-laki tidak dapat melalui tahap interpretasi dengan baik, tidak dapat melakukan analisis, evaluasi, inference, eksplanasi, dan self regulation; (4) Siswa dengan kemampuan awal rendah dan berjenis kelamin perempuan tidak dapat melalui tahap interpretasi dengan baik, tidak dapat melakukan analisis, evaluasi, inference, eksplanasi, dan self regulation Kata-kata Kunci :  kemampuan awal, kemampuan berpikir kritis, berpikir kritis Facione, subnetting AbstractThe purpose of this research is to identified the ability think critically of student evaluated from early ability and student gender. Think critical that used was indicator think critical according to Facione. In this research, early ability categorized to become 2 that is a) The high early ability ; and b) The low early ability. To get a group of the early ability conducted early ability test, then each - category grouped again appropriate to gender and got 4 students.From is fourth of the subject given by items problem of subnetting with a purpose to identify ability of critical think from each early ability which has by student. The results were obtained ( 1) Male student with high early ability can pass interpretation stage well, doing the analysis, evaluation, inference, explanation and self-regulation well; (2) Female student with high early ability can pass interpretation stage well, doing the analysis, evaluation, inference, explanation and self-regulation well; (3) Male student with low early ability can not pass the interpretation stage. Can not doing the analysis, evaluation, inference, explanation, and self-regulation; (4) Female student with low early ability can not  pass the interpretation stage. Can not doing the analysis, evaluation, inference, explanation, and self-regulation. Key words : early ability, ability think critically, critical thinking of Facione, subnetting

scholarly journals Perbedaan Gender pada Kejadian Sindrom Metabolik pada Penduduk Perkotaan di Indonesia

2012 ◽  
Vol 7 (5) ◽  
pp. 219
Author(s):  
Krisnawaty Bantas ◽  
Hari Koesnanto Yoseph ◽  
Budi Moelyono
Keyword(s):  
Gender Differences ◽  
Marital Status ◽  
Activity Level ◽  
Cross Sectional ◽  
Main Independent Variable ◽  
Fiber Consumption ◽  
Level 3 ◽  
Level 1 ◽  
And Gender ◽  
Level 2

Sindrom Metabolik (SM) merupakan faktor risiko penting penyakit kardiovaskuler yang merupakan penyebab utama kematian di Indonesia. Perbedaan gender pada SM berkontribusi terhadap perbedaan gender pada penyakit kardiovaskuler. Penelitian ini bertujuan mengetahui prevalensi dan risiko SM berdasarkan gender di perkotaan Indonesia menggunakan data Riset Kesehatan Dasar 2007 dan menggunakan rancangan penelitian potong lintang. Populasi penelitian terdiri dari 13.262 orang pria dan wanita yang tidak hamil berusia lebih dari 15 tahun yang bermukim di daerah perkotaan. Variabel penelitian meliputi variabel dependen sindrom metabolik. Variabel independen utama adalah gender dan variabel kovariat yang lain adalah level 1 (umur, statusperkawinan, pendidikan, stres, merokok, dan aktivitas fisik), level 2 (pendapatan keluarga, konsumsi energi rumah tangga, konsumsi protein rumah tangga, konsumsi serat rumah tangga, anggota rumah tangga, dan balita dalam rumah tangga), dan level 3 (provinsi, status urban, dan Indeks Pembangunan Manusia (IPM)). Analisis dilakukan dengan multilevel regresi logistik. Hasil penelitian menyebutkan bahwa prevalensi SM adalah 17,5 %, prevalensi pada wanita (21,3%) lebih tinggi daripada pria (12,9%). Risiko sindrom metabolikberdasarkan gender bergantung pada status umur, pendidikan, dan perkawinan dari individu. Variasi kejadian SM berdasarkan pendapatan keluarga kecil (nilai MOR 1,21) dan variasi kejadian SM berdasarkan provinsi juga kecil (nilai MOR1,18).Kata kunci: analisis multilevel, gender, sindrom metabolikAbstractMetabolic Syndrome (MS) is an important factor for Cardiovascular Disease (CVD). One of the main causes of death in Indonesia is CVD. Gender differences in MS may contribute the gender differences in CVD. This study aimed to examine the prevalence and MS risk by gender in the urban population of Indonesia using Riskesdas 2007 data and cross-sectional design study. Population of study consisted of 13,262 men and non pregnant women over 15 years old lived in urban area. Variables included in this study are MS as the dependentvariable and gender as the main independent variable. The covariate variables consisted of: level 1 variables (age, marital status, education, stress, smoking, and physical activity), level 2 (family outcome, household energy consumption, protein consumption, fiber consumption, members, and toddler under5 years), level 3 (province, urban status, and human development index). Multilevel logistic regression used in data analysis. Result showed that prevalence of MS was 17,5%, on women (21.3%) was higher than men (12.9%). The risk of MS by gender was depent on age, educational level, and marital status of individual. The variation of MS occurrence among the family incomes was small (MOR 1.21), and the variation of MS occurrence among the provinces was also small (MOR 1.18).Keywords: multilevel analysis, gender, metabolic syndrome

PROFIL KEMAMPUAN BERPIKIR KREATIF SISWA SEKOLAH MENENGAH PERTAMA DITINJAU DARI TINGKAT KECEMASAN MATEMATIKA DAN JENDER

2019 ◽  
Vol 20 (1) ◽  
pp. 69
Author(s):  
Endang Wahyuningrum ◽  
Disti Pratiwi ◽  
Sandra Sukmaning Adji
Keyword(s):  
High School Students ◽  
Junior High School ◽  
Mathematics Anxiety ◽  
Creative Thinking ◽  
Female Student ◽  
Math Anxiety ◽  
Male Student ◽  
Thinking Skills ◽  
School Students ◽  
And Gender

The purpose of this study was to describe the creative thinking skills of junior high school students based on mathematics anxiety and gender. Aspects of creative thinking skills used in this study are fluency, flexibility, and novelty. This research is a qualitative descriptive study. The instruments used were open-ended questions consisting of algebra and geometry questions, mathematics anxiety questionnaires, and interview guidelines. The study was conducted in class IX E of SMPI Al Azhar 12 Rawamangun Jakarta. The subject of this study consisted of four students, they are male student with low mathematics anxiety, female student with low mathematics anxiety, male student with medium mathematics anxiety, and female student with medium mathematics anxiety. The results of the mathematics anxiety questionnaire showed that none of the students in class IX E had high math anxiety. There are differences in the fulfillment of aspects of creative thinking in terms of differences in mathematics anxiety and gender levels. Students with low math anxiety fulfill aspects of fluency, flexibility, and novelty in algebra and geometry questions. Students with medium math anxiety fulfill aspects of fluency and flexibility both in algebra and geometry questions. Female students fulfill aspects of fluency, flexibility, and novelty both in algebra and geometry questions. Male students fulfill aspects of fluency and flexibility in algebra questions, while in geometry questions the aspects that are fulfilled are fluency, flexibility, and novelty.

Individual and Combined Evaluation of Specific Inflammatory Biomarkers along with Neutrophil, Lymphocyte, and Platelet Counts in Predicting Poststroke Disability Severity Among Acute Ischemic Stroke Patients in a Tertiary Hospital in Pampanga, Philippines

2021 ◽  
Vol 156 (Supplement_1) ◽  
pp. S103-S103
Author(s):  
E R Marcadejas ◽  
M P Lagman ◽  
A S Mendoza ◽  
R E Marzan ◽  
A Z Manongdo ◽  
...  
Keyword(s):  
Risk Factors ◽  
Ischemic Stroke ◽  
Acute Ischemic Stroke ◽  
Tertiary Hospital ◽  
Inflammatory Biomarkers ◽  
Lymphocyte Ratio ◽  
Advance Research ◽  
Level 1 ◽  
And Gender ◽  
Level 2

Abstract Introduction/Objective Numerous studies considered Neutrophil-to-Lymphocyte ratio (NLR), Platelet-to-Lymphocyte ratio (PLR), and Mean Platelet Volume (MPV) as inflammatory biomarkers in assessing the functional outcomes of Acute Ischemic Stroke (AIS) Patients. Presumably, no other study has evaluated all three markers in varying levels of combinations. The study aims to evaluate the predictive potential of specific CBC parameters (Neutrophils, Lymphocytes, and Platelets), their individual ratios (NLR, PLR, and MPV), and their combinations (NLR-PLR, NLR- MPV, PLR-MPV, and PLR-NLR-MPV). Methods/Case Report This retrospective study involved 52 AIS patients from a hospital in Pampanga, Philippines, at least 18 years of age, have no pre-existing conditions and prior treatments/medications. Modified Rankin Scale (mRS) score, medical history, age, and gender were gathered. Specific CBC parameters upon admission were analyzed to derive individual ratios. The combined biomarkers, categorized into Levels 2, 1, and 0, indicate high values for all biomarkers involved, high values for any of the biomarkers (one or two high value/s for PLR-NLR-MPV), and no high values for any of the biomarkers, respectively. Results (if a Case Study enter NA) Results showed that elevated NLR (OR=14.5; p=0.021) and MPV (OR=24.1; p=0.047) are risk factors in developing evident poststroke disability (mRS 2-5) and mortality (mRS 6), respectively. Furthermore, level 2 NLR-MPV (OR=77.0; p=0.040) and PLR-MPV (OR=105; p=0.027) are risk factors on mortality. Level 2 PLR-NLR (OR=15.0; p=0.021) and level 1 NLR-MPV (OR=13.5; p=0.024) are risk factors in developing evident poststroke disability. Lastly, levels 1 (OR=13.5; p=0.024) and 2 (OR=77.0; p=0.040) PLR-NLR-MPV are risk factors in developing evident poststroke disability and mortality, respectively. Conclusion Patients with neutrophilia, elevated NLR, level 2 PLR-NLR, and level 1 NLR-MPV and PLR-NLR-MPV are more likely to develop evident poststroke disability; while patients with elevated MPV and Level 2 NLR-MPV, PLR- MPV, and PLR-NLR-MPV pose higher mortality risk. Greater sample size is recommended for studies with the same purpose to advance research for better AIS outcomes.

Fitness-for-Service Assessment of Piping Subject to Random Vibration

2016 ◽  
Author(s):  
Lyle Breaux ◽  
Scot McNeill ◽  
Gyorgy Szasz
Keyword(s):  
Random Vibration ◽  
Cyclic Stress ◽  
Allowable Stress ◽  
Vibration Level ◽  
Vibration Loading ◽  
Design Life ◽  
The Subject ◽  
Level 1 ◽  
Target Design ◽  
Level 2

A methodology is presented for Level 1 and 2 Fitness-for-Service (FFS) assessments of process and power piping subject to random vibration loading. The intent is to provide a basis for random vibration assessment based on concepts from spectral fatigue, which is simplified to the degree that a non-specialist can conduct the FFS assessment with little prior knowledge of the subject matter. The proposed Level 1 FFS assessment is based on extension and generalization of established industry screening curves for piping vibration. The measured (overall) RMS vibration level is compared against allowable values given by the curves evaluated at the average crossing frequency of the measured vibration. The proposed Level 2 FFS assessment utilizes an allowable cyclic stress. The allowable stress is a function of the target design life as well as the average crossing frequency and kurtosis of the measured vibration. Both approaches are illustrated by example.

scholarly journals Development of Module of Learning Geometry Based on Van Hiele Theory

AKSIOMA ◽  
2018 ◽  
Vol 9 (2) ◽  
pp. 98-108
Author(s):  
Deshinta Puspa Ayu Dwi Argaswari
Keyword(s):  
Teaching And Learning ◽  
Nonparametric Test ◽  
Result State ◽  
Van Hiele ◽  
Learning Module ◽  
Trial Test ◽  
Level 1 ◽  
And Control ◽  
Level 2 ◽  
Better Than

The aim of this research was to develop a teaching and learning module using Van Hiele theories for quadrilateral topics in grade VII students in middle school, which is valid, practical, and effective. Literatures explain that nowadays the students over generalize the concept of geometry without further understanding about the concept of geometry and the skills of proving and reasoning that geometry field try to improved. The method used was research and development with modification of Borg and Gall and Plump method. The initial investigation stage result stated that only 22.6% of students reached level 2 informal deduction, 35.5% students reached level 1 analysis and the rest of students were still in level 0 visualization. In order to solve this problem, the design and realization stages developed a module which was written based on phase of learning geometry. Next, the module was verified through trial test in a class of students grade VII in order to get data of validity and effectivity. Lastly, the module was tested through experimental research by comparing experimental and control class. The module was valid based on validator review. The module was effective because it can increase students geometry thinking level by 48%. The nonparametric test using K-S and Man Whitney show that the result of level of geometry thinking in experimental class was better than the control class. Overall result state that the module valid and effective.

scholarly journals Perbedaan Hasil Belajar Matematika Siswa ditinjau dari Level Geometri Van Hiele SMP Kelas VII

2019 ◽  
Vol 1 (2) ◽  
pp. 74
Author(s):  
Azwar Anwar
Keyword(s):  
Learning Outcomes ◽  
Junior High School ◽  
Mathematics Learning ◽  
Sampling Technique ◽  
Probability Sampling ◽  
Significance Level ◽  
Van Hiele ◽  
Level 3 ◽  
Level 1 ◽  
Level 2

This study aims to determine the distribution of student geometry levels based on Van Hiele's theory and find out the differences in students' mathematics learning outcomes in grade VII junior high school. The sampling technique is probability sampling and a sample of 182 students is obtained. Data collection techniques used were Van Hiele level geometry tests and test results. Data analysis used descriptive statistics and anova with a significance level of 5%. The results showed that only 170 students were included in the Van Hiele geometry level, namely 62 students were at level 0, 97 students were at level 1, 5 students were at level 2, and as many as 6 students are at level 3. In the inferential analysis based on analysis of variance (two-way anova) concludes that for learning outcomes based on Van Hiele level geometry obtained Fcount = 13.793 > Ftable = 9.28 means H0 is rejected means that there are differences in mathematics learning outcomes based on Van Hiele geometry level.AbstrakPenelitian ini bertujuan untuk mengetahui distribusi level geometri siswa berdasarkan teori Van Hiele dan mengetahui perbedaan hasil belajar matematika siswa di kelas VII SMP. Menggunakan teknik probability sampling dan diperoleh sampel sebanyak 182 siswa. Teknik pengumpulan data yang digunakan adalah tes level geometri Van Hiele dan tes hasil belajar. Analisis data menggunakan statistik deskriptif dan anova dengan taraf signifikansi sebesar 5%. Hasil analisis data menunjukkan bahwa dari 182 sampel, hanya 170 siswa yang termasuk dalam level geometri Van Hiele yaitu 62 siswa berada pada level 0, sebanyak 97 siswa pada level 1, sebanyak 5 siswa pada level 2, dan  6 siswa pada level 3. Analisis anova dua arah diperoleh Fhitung = 13,793 > Ftabel = 9,28 berarti H0  ditolak yang artinya terdapat perbedaan hasil belajar matematika berdasarkan level geometri Van Hiele.

scholarly journals PERBANDINGAN MARGIN PEMASARAN BERAS BERDASARKAN MUSIM PANEN DI KECAMATAN KAKAS BARAT

2016 ◽  
Vol 12 (3) ◽  
pp. 125
Author(s):  
Andriano R. Manoppo ◽  
Joachim N K. Dumais ◽  
Paulus A. Pangemanan
Keyword(s):  
Secondary Data ◽  
Marketing Channel ◽  
Primary Data ◽  
Selling Price ◽  
Channel Pattern ◽  
Marketing Efficiency ◽  
The Subject ◽  
Level 1 ◽  
The Cost ◽  
Level 2

This research aimed to compare the marketing margin on farmers, traders, and retailers in the harvest of last season and the season now and see rice marketing distribution channels. As a very important sector, rice is still facing many problems, especially with regard to the welfare of peasant producers. Rice marketing issues, including low selling price at the level of farmers marketing channel pattern, margin and marketing efficiency. This research was conducted in the district of West Kakas in four villages namely Tountimomor, Passo, Panasen, Kalawiran, as the biggest producer in West Kakas and this research during the month of July until completed. The data obtained are primary and secondary data. Primary data sourced from the opinions and interviews with related parties are the subject of research. Secondary data is data obtained by researchers who comes from a document from the relevant authorities, such as: internet, literature sources or literature books and the Central Bureau of Statistics. This study uses a snowball to the rice marketing channel. Based on research conducted showed that the cost and the marketing margin level channel 1 at harvest 1 lower than the cost and the marketing margin level channel 1 for the season 2, also the cost and marketing margin on channel 2 at harvest level 1 is still lower than the cost and the marketing margin at the channel level 2 for the season 2. The greater the marketing margin, the more inefficient the marketing system.

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