scholarly journals MATHEMATICAL JUSTIFICATION OF SENIOR HIGH SCHOOL STUDENTS IN STATISTICS

MATHEdunesa ◽  
2020 ◽  
Vol 9 (2) ◽  
pp. 297-304
Author(s):  
Masyita Putri Firdausy ◽  
Abdul Haris Rosyidi
Keyword(s):  
High School ◽  
High School Students ◽  
School Students ◽  
Mathematical Concepts ◽  
Level 3 ◽  
Level 1 ◽  
The Difference ◽  
The Right ◽  
Mathematical Justification ◽  
Level 2

Justification is the process of justifying a claim that is supported with evidence. Justification is the center of mathematics. Justification plays an important role in learning because it can help students improve understanding of mathematical concepts. By using a qualitative approach, this study aims to analyze the mathematical justification of high school students in solving problems on statistical topics. This research was conducted on 122 high school students by giving justification test questions on the topic of statistics resulted in 17% (21 students) included in the level justification level 3, 16% (19 students) included in level 2, 47% (47 students) included in level 1, and 20% (25 students) the rest are included in level 0. Further analysis was carried out to see the mathematical justification process by each level. The mathematical justification process consists of three stages, 1) the process of recognition; 2) the development process (building-with), and 3) understanding (awareness) process. Level 3 and level 2 students can recognize the problem and determine the right strategy to solve the problem, level 3 and level 2 students are also able to execute the strategy and interpret the results of the calculations they have done. The difference in level 3 and level 2 students lies in the understanding the concepts they have. Level 1 students can recognize problems and determine solution strategies. Although level 1 students can recognize and do calculations well, level 1 students fail in interpreting the results of calculations performed. While students who are level 0 are not able to recognize the problem, so level 0 students do not carry out the justification process.

scholarly journals IDENTIFIKASI KESALAHAN MATEMATIKA SISWA SMP BERDASARKAN TAHAPAN KASTOLAN

2020 ◽  
Vol 3 (1) ◽  
pp. 77-100
Author(s):  
Antonia Dwi Raharti ◽  
Tri Nova Hasti Yunianta
Keyword(s):  
High School ◽  
High School Students ◽  
Junior High School ◽  
School Students ◽  
Descriptive Research ◽  
Technical Errors ◽  
Level 3 ◽  
Qualitative Descriptive ◽  
Level 1 ◽  
Level 2

The study aims to identify kinds of high school students’ misrepresent in doing their tasks and to provide the appropriate scaffolding as a solution to help the students. This is a qualitative descriptive research. The research subject consists of three junior high school students who have different abilities in Mathematics. They were selected out of 92 students. This research studied the conceptual errors, procedural mistakes, and students’ technical mistakes in working on the problems based on the stages of Kastolan mistakes and the scaffoldings given. Furthermore, the data were collected by using the way of testing, interviewing and documenting techniques. The research data were guarantee validated with the triangulation method. The result of the research showed that there were some errors done by the students in doing the tasks. They were the conceptual errors, procedural mistakes, and technical errors. The scaffoldings given to help the students do the tasks for Level 1 (environmental provisions), Level 2 (explaining, reviewing dan restructuring), and Level 3 (developing conceptual thinking).

Analysis the proportional reasoning abilities of senior high school students in solving mathematical problems

2019 ◽  
Vol 5 (2) ◽  
pp. 110-122
Author(s):  
Dhuwi Novita Sari ◽  
Helti Lygia Mampouw
Keyword(s):  
High School ◽  
High School Students ◽  
Senior High School ◽  
School Students ◽  
Reasoning Abilities ◽  
Mathematical Problems ◽  
Level 3 ◽  
Level 1 ◽  
Level 2 ◽  
Senior High School Students

Penelitian ini bertujuan untuk menganalisis kemampuan penalaran proporsional siswa SMA dalam memecahkan masalah matematika. Subjek pada penelitian deskriptif kualitatif ini adalah 3 siswa kelas X SMA Negeri 2 Salatiga berkemampuan matematika tinggi. Instrumen utama adalah peneliti sendiri, didukung oleh instrumen tes dan pedoman wawancara. Data hasil tes dan wawancara dianalisis menggunakan langkah reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian menunjukkan bahwa ketiga subjek memiliki kemampuan penalaran proporsional yang berbeda dalam memecahkan masalah matematika. Kemampuan penalaran proporsional subjek S cenderung berada pada level 1 dengan menunjukkan strategi menggunakan gambar dan membuat perbandingan kualitatif. Kemampuan penalaran proporsional subjek F cenderung berada pada level 2 dengan menunjukkan strategi menghubungkan model melalui perhitungan numerik, menggunakan unit komposit, dan menggunakan penalaran kuantitatif. Kemampuan penalaran proporsional subjek M cenderung berada pada level 3 dengan menunjukkan strategi menggunakan cara formal dan mengetahui hubungan invarian dan kovarian. Ketiga subjek menunjukkan kemampuan penalaran proporsional pada level 0 dalam memecahkan masalah yang memerlukan perbandingan aditif dan multiplikatif dengan hanya menggambarkan situasi perubahan dalam pandangan aditif.

scholarly journals Kompleksitas Argumentasi Berbasis Isu Sosiosaintifik pada Jenjang SD, SMP, dan SMA

2018 ◽  
Vol 1 (1) ◽  
pp. 29
Author(s):  
Nur Fildzah Amalia ◽  
Riandi Riandi ◽  
Ari Widodo ◽  
Diana Rochintaniawati
Keyword(s):  
High School ◽  
Middle School ◽  
Elementary School ◽  
High School Students ◽  
Elementary Students ◽  
Claims Data ◽  
Socioscientific Issues ◽  
School Students ◽  
Level 3 ◽  
Level 2

The Student’s argument can be raised and developed using socioscientific issues. Socio-scientific issues about health is one of the social problems that the subject of public debate. This study aims to describe the complexity of the arguments in elementary school, middle school, and high school. The three level of education is a school which is shaded by one of the Foundation in Bandung. Participants involved in the study consisted of 31 elementary students, 14 middle school students, and 23 high school students. Data taken using a quisioner consist of five items concerning socioscientific issues as well as individual interviews based on the answers to the test written description. Data identified using Toulmin Argumentation Adaptation Pattern (TAP), which consists of four levels, namely, level 1 (claim), level 2 (claims, data and / or warrants), level 3 (claims, data / warrant, backing), and level 4 (claims, data / warrant, backing, qualifier). The results showed that the development of increasingly rising complexity of arguments according to their level. The complexity of the arguments on elementary students reached level 2-3, middle school and high school reached level 3. Percentage of level 3 more ascending towards the middle school to high school. Meanwhile, if viewed from the dominates of the arguments category level, level 2 emerged as the dominant category in elementary school, middle school, and high school.

scholarly journals SOS Games as an Alternative Game for Warming Up in Sports

2021 ◽  
Vol 5 (1) ◽  
pp. 177-188
Author(s):  
Touvan Juni Samodra ◽  
Uray Gustian ◽  
Astiati Astiati
Keyword(s):  
High School Students ◽  
Junior High School ◽  
Movement Activity ◽  
School Students ◽  
Warm Up ◽  
Measurement Results ◽  
Level 3 ◽  
Level 1 ◽  
Level 2 ◽  
Different Levels

This study aimed to test the SOS game used as a means to warm up. SOS games were usually played on paper. The trial game consists of 3 different levels. This game could be used as a movement activity to warm up. With some modifications, this game was tested. The trial was conducted on junior high school students, totaling 40 students. The data was obtained by measuring the pulse. Pulse was measured by counting the pulse in the neck for 10 seconds. The calculation result is multiplied by 6 to determine the number of pulses per minute—data analysis by comparing the measurement results with heating criteria based on age. The results showed that the first trial had a pulse rate of 142. Based on trial with 40 samples each at level 1, 140 level 2, 143, and level 3, 143 beats per minute. All of these pulses were in the exercise pulse. So it can be recommended that this game be used for heating purposes.

scholarly journals ANALYSIS OF STUDENTS’ STATISTICAL REASONING IN SOLVING NON-ROUTINE PROBLEMS

MATHEdunesa ◽  
2020 ◽  
Vol 9 (1) ◽  
pp. 30-34
Author(s):  
Dinda Amalia Rahmah ◽  
Rini Setianingsih
Keyword(s):  
High School ◽  
High School Students ◽  
Mathematical Ability ◽  
Statistical Reasoning ◽  
School Students ◽  
Statistical Process ◽  
Ability Test ◽  
Reasoning Test ◽  
Level 1 ◽  
Level 2

Statistical reasoning is needed by students to understanding statistical concepts and problems. Students’ efforts in understanding statistical information and problems often involve statistical process, namely the process of organizing and reducing data and the process of analyzing and interpreting data.  This research is descriptive study with qualitative approach that aims to analyze and describe the senior high school students’ statistical reasoning in solving non-routine problems. The subjects in this study were three high school students of grade XII who have same sex and have equivalent mathematical abilities. The instruments used in this study consisted of the Mathematical Ability Test (MAT), the Statistical Reasoning Test (SRT), and interview guidlines. The results showed that students who have low mathematical ability are also reach low level in statistical reasoning. In solving problem related to process of organizing and reducing data, the students reached level 1 and level 2 in statistical reasoning, because the students determine the mode value using incorrect concepts and ways, that are input the data to the mode formula incorrectly, determining the mode value of data which are presented in the frequency distribution table just by looking at frequency column, and cannot combine and sort the data in percent form correctly. In solving the problem related to the process of analyzing and interpreting data, the students reached level 1 in statistical reasoning, because they cannot interpret the tendency of two data groups, so the response which are given is incorrect. Keywords: statistics, statistical process, statistical reasoning.

scholarly journals Analysis of High School Students’ Argumentation Ability in the topic of Buffer Solution

2018 ◽  
Vol 3 (3) ◽  
pp. 141 ◽  
Author(s):  
Ninda Dwi Cahya Devi ◽  
Elfi Susanti VH ◽  
Nurma Yunita Indriyanti
Keyword(s):  
High School Students ◽  
Science Learning ◽  
Case Study Method ◽  
School Students ◽  
Buffer Solution ◽  
Level 3 ◽  
Qualitative Descriptive ◽  
Level 1 ◽  
Level 2

<div class="WordSection1"><p>Argumentation is scientific discourse in science learning that is used as a link between knowledge from an environment and concepts in science learning. Through argumentation skills can be controlled student understanding in connecting facts with concepts in learning. This study aims to analyze students' argumentation ability on buffer solution subject. Students' argumentation ability is divided into 4 levels; level 1 (claims), level 2 (claims with data), level 3 (claims with data and one rebuttal), and level 4 (claims with more than one rebuttal). Data analysis was done by a qualitative descriptive method using a case study method. The case study method was chosen so that a study of 92 students who were research participants could be carried out in depth and comprehensive. The results obtained that the students' argumentation ability was at level 1 and level 2 argumentation. This shows that students' argumentation skills are still at low and medium levels. The results of this study can be used as a basis for improving the quality of teaching and further research.</p><strong><em></em></strong><em></em><em></em></div><em><br clear="all" /> </em>

EFEKTIVITAS METODE DEMONSTRASI DALAM MENINGKATKAN HASIL BELAJAR SISWA SEKOLAH MENENGAH KEJURUAN PADA PENGAJARAN SISTEM KOLOID

2013 ◽  
Vol 19 (1) ◽  
pp. 28
Author(s):  
Hamda Situmorang ◽  
Manihar Situmorang
Keyword(s):  
High School ◽  
High School Students ◽  
Abstract Concept ◽  
Vocational High School ◽  
School Students ◽  
Lecture Method ◽  
Colloid System ◽  
Before And After ◽  
The Right ◽  
And Control

Abstract Implementation of demonstration method in the teaching of chemistry is assigned as the right strategy to improve students’ achievement as it is proved that the method can bring an abstract concept to reality in the class. The study is conducted to vocational high school students in SMKN1 Pargetteng getteng Sengkut Pakfak Barat at accademic year 2013. The teaching has been carried out three cycles on the teaching of chemistry topic of colloid system. In the study, the class is divided into two class, experiment class and control class. The demontration method is used to teach students in experimental class while the teaching in control class is conducted with lecture method. Both are evaluated by using multiple choise tests before and after the teaching procedures, and the ability of students to answer the problems are assigned as students’ achievements. The results showed that demonstration method improved students’ achievement in chemistry. The students in experimental class who are taughed with demonstration method (M=19.08±0.74) have higher achievements compare with control class (M=12.91±2.52), and both are significantly different (tcalculation 22.85 > ttable 1.66). The effectivity of demostration method in experimental class (97%) is found higer compare to conventional method in control class (91%).

scholarly journals SISTEM PENDUKUNG KEPUTUSAN PEMBAYARAN BEASISWA DENGAN MENGGUNAKAN METODE WEIGHTED PRODUCT (WP)

2016 ◽  
Vol 3 (1) ◽  
Author(s):  
Evasaria M Sipayung ◽  
Yosi Yonata ◽  
Chrevita J Rende
Keyword(s):  
High School ◽  
Information System ◽  
High School Students ◽  
School Students ◽  
Or Education ◽  
Education Development ◽  
Non Profit ◽  
Product Method ◽  
The Difference ◽  
Selection Of

Anak Pelangi Indonesia (API) Foundation is a non-profit foundation that offers scholarship programs for elementary, middle and high school students. This institute is supported by donaturs who give contribution to the Foundation. The donation is processed to be a cost that is used to pay Sumbangan Pembinaan Pendidikan (SPP) or Education Development Donation of each student. Currently, the provision of monthly donor fund is at uncertain amount so that the Foundation needs to determine the students of whom SPP will be firstly paid. However, the funding needs of each student are different due to the different amount of SPP and a giving fine from the school for the tardiness in paying the tuition. From these matters, the Foundation finds it difficult in deciding which students whose the tuition will be paid first. The solution to this problem is to use the four criteria referring to the tuition payment, namely the difference of pay date, fine, rank, and the amount of payment. The four criteria is then given the same integrity which is 25% for each criteria and counted by using Weighted Product (WP) method. The result of this research is an information system to the selection of scholarship payment using Weight Product method that takes the biggest value from the calculation result as a reference in deciding which students of whom SPP will be initially paid in accordance with the current fund condition.

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