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AdMathEdu : Jurnal Ilmiah Pendidikan Matematika, Ilmu Matematika dan Matematika Terapan
Published by Universitas Ahmad Dahlan
ISSN : 2088687X     EISSN : 26567040     DOI : 10.12928
Core Subject : Education,
Education Mathematics
Admathedu is a peer-reviewed open access journal published twice in a year (June and December) since 2011. The Admathedu aims to provide an national forum for researchers and professionals to share their ideas on all topics related to mathematics education.
Arjuna Subject : -
Articles 393 Documents
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IMPLEMENTASI METODE BOOTSTRAP UNTUK PENGUJIAN HIPOTESIS MENGENAI DUA MEAN POPULASI Suparman, Suparman
Jurnal Ilmiah AdMathEdu Vol 2, No 1 (2012): Juni
Publisher : Universitas Ahmad Dahlan

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Abstract

This paper examines the problem of testing hypotheses about two population means. Most testing hypotheses about two population means, based on the assumption that each random sample drawn from a normal population. In this paper studied the problem of testing hypotheses about two population means are not using the assumption of normality and homogeneity. The method used to test hypotheses about two population means are the bootstrap method. The basic idea of the bootstrap method of repeated sampling with replacement from the sample data. Replication of samples used to determine the point estimator of Achieved Significance Level (ASL). Performance of the bootstrap method was tested using simulated data. The test results show that the bootstrap method to test the hypothesis of two population means well. Furthermore bootstrap method implemented on real data.
PENGARUH STRATEGI PEMBELAJARAN GENERATIF TERHADAP KEMAMPUAN KOMUNIKASI SISWA KELAS VII SMP NEGERI 2 TANJUNG EMAS KABUPATEN TANAH DATAR Aima, Zulfitri
Jurnal Ilmiah AdMathEdu Vol 2, No 1 (2012): Juni
Publisher : Universitas Ahmad Dahlan

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Abstract

The cause of lakness of communication ability in mathematic learning at SMPN 2 Tanjung Emas is due to the teacher centered of teaching method applied in the school One of the best ways to solve this problem is by applying Generative Learning Strategy. The purpose of this research is to know whether communication ability of students taught with generative of learning strategy better than those taugh with common learning strategy. The research was conduc ted at VII class of SMPN 2 Tanjung Emas 2009/2010 academic year. This research used quasi experiment method with posttest Control Group Desigh. Experimental group used generative learning strategy and a control group used conventional method. Data were collected through achievement tests. The analysis showed that students’ communication ability of students taught with generative of learning strategy better than those taught with common learning strategy.
PENGEMBANGAN PERANGKAT ASESMEN KINERJA DALAM PEMBELAJARAN MATEMATIKA SUB POKOK BAHASAN MELUKIS SEGITIGA PADA SISWA KELAS VII SMP NEGERI 2 SURABAYA Zaki, Muhammad
Jurnal Ilmiah AdMathEdu Vol 2, No 2 (2012): Desember
Publisher : Universitas Ahmad Dahlan

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Abstract

Paper and pencil test has been said to have failed to provide a robust indication of student’s competence achievement. NCTM for instance maintains that a practical math assessment is needed for such a purpose. To measure students’ performance requires an alternative assessment instrument. An instrument which is not depending on a mere writing test alone (paper and pencil test), as underlined in KTSP. KTSP is a class-based assessment, which also calls for a throughout assessment through which students are asked to demonstrate their learned competence in more ways than one. As an alternative assessment, Performance assessment is too a class based assessment, consisting of two difference parts namely performance and rubric task. The former is referred to those open questions which necessitate students to solve them by showing the process (performance) of how they are done while the latter sets the guideline for grading and scoring student’s performance, based on assessment criteria which has been earlier prepared. Performance assessment is undertaken to particularly review and assess students’ tasks using which teachers could comprehend and collect thorough information regarding students’ knowledge of math, math strategies and communication. This research has been carried out to intentionally measure how math achievement of secondary school students’ has met its learning goal especially in sub-topics of triangle drawing using performance assessment. The data for this research were collected at SMP Negeri 2 Surabaya. This topic was purposely selected and deemed appropriate to comprehend students ability as it requires them to show their best ability to use anchor  and  ruler as well as how they appropriately follow steps in the process. The research question is how software development processes and results of performance assessment in mathematics learning in class VII students of SMP Negeri 2 Surabaya?. Based on the research questions above, then the purpose of this study was to describe the development and yield performance assessment tools in learning mathematics for class VII students of SMP Negeri 2 Surabaya. Subjects tested in this study is that VII H grade students represented by six students and VII B grade students as subjects for the implementation of performance assessment instrument. To answer the research questions above, this study was designed to study the development in accordance with fase model of development on the Plomp. This study used the instrument in the form of task performance, assessment rubrics, guidelines for student interviews and questionnaires. Data collection techniques used in this study is to provide the task performance, questionnaires, and interviews. The research found that the development of assessment performance instrument using  plomp development model on the sub-topic of triangle drawing will require five different phases, namely 1) initial investigation, 2). Planning, construction realization, test, evaluation and revision, and 5) implementation. Using plomp development model, a set of task performance assessment was produced in relation to triangle drawing sub-topic. it was stated that this task performance assessment:  (1) is Valid under in the view of the experts, (2) that the difficulty level of assessment task was low. The same is too found in rubric assessment.(3) that  the students could entirely complete performance tasks: the responses given by students are fully in accordance with what it is asked in performance tasks. (4) the students and the teachers have both agreed that the rubric could be well utilized for assessment purposes  (5) objective, the students relatively score similar result out of two assessment undertaken and therefore it is safe to argue that  rubric was an objective assessment. (6). Performance Assessment is seen as effective in that (a) rubric has indeed improved students performance (b) rubric paves the ways and render positive feed-backs  to effective learning due to : the students ability level  resulting from performance assessment are at Tuntas Category, and students responses to performance assessment were at positive category. (7) Reliable, the students score similar performance assessment results during the second test and as such it is concluded that rubric is has successfully produced a reliable assessment instrument. Key Words:  assesment, performance assessment, performance task, rubric
MENENTUKAN FPB DAN KPK MENGGUNAKAN TABEL PEMBAGIAN (PENGAJARAN MATEMATIKA SEKOLAH DASAR DAN MENENGAH) Suprapto, Suprapto
Jurnal Ilmiah AdMathEdu Vol 1, No 1 (2011): Juni
Publisher : Universitas Ahmad Dahlan

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Abstract

The purposes of this paper are determined of gcd (greatest common divisor) and lcm (least common multiple) using division table. Namely: pair number (two or more numbers) is included in the columns on the first line. Then do the division with the least prime number of form rows in the table. The division will stop if the pair number cannot be common divided (or the numbers are relatively primes). Numbers which cannot be common divided the rest of the division. The determine gcd is equal to multiple of all the numbers in the first column. And the determining lcm is equal to multiple all numbers in the first column and last row.
PEMANFAATAN TEKNIK DELPHI DALAM PENYUSUNAN KOMPETENSI LULUSAN PENDIDIKAN KEJURUAN Mahfud Effendi, Moh.
Jurnal Ilmiah AdMathEdu Vol 1, No 1 (2011): Juni
Publisher : Universitas Ahmad Dahlan

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Abstract

Competence of graduates of vocational education should meet the needs of the individual students, of society, and of business. Thus, in determining and preparing these competencies should consider the needs of users and the development of graduates, if not then certainly the graduates produced is not absorbed by the business or industry. The number of users of vocational education graduates is problematic in the preparation of competence, hence the Delphi Technique as a needs assessment can be used. Delphi technique is a technique to find solutions through consensus by giving kuisener iteratively to many respondents without a meeting or discussion.
UJI T DAN RELEVANSINYA TERHADAPKATA“PENGARUH” DAN “EFEKTIVITAS” DALAM PENELITIAN KUANTITATIF PENDIDIKAN Choirun Nisa, Lulu
Jurnal Ilmiah AdMathEdu Vol 1, No 2 (2011): Desember
Publisher : Universitas Ahmad Dahlan

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Abstract

One of topics in quantitative research which students in Islamic Education Faculty, Walisongo State Institute of Islamic Studie handle for their theses is about implementation of inovatif teaching learning methods and then compare it with convensional methods to see the result of the implementation. For this study, students often unsure about the title because there are two opinion on it. First, the title should be “Effectivity of Inovatif Method....”, or the stitle should be “The Influence of Inovative Method....”. And both of these titles use the same statsitics test,  i.e. Independent sample t test. Statistically, this study shows that influence is more appropriate for the case because the word of “inluence” refers to t-test definition. Otherwise independent sample t test will allowed to the word “effective” if there is assumption that an inovatif method is effective only if only the means of inovatif method’s achievement is higher than convensional’s achievement. Different assumtion about effectivity will bring different statistical test.
MODEL SELECTION IN MULTIPLE LINEAR REGRESSION Nur Rohmawati, Siti
Jurnal Ilmiah AdMathEdu Vol 1, No 2 (2011): Desember
Publisher : Universitas Ahmad Dahlan

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Abstract

The problems studied in this article  is the selection of model formed from all possible subsets of independent random variables in multiple linear regression equation. The purpose of this study is to determine the multiple linear regression parameter estimation and choose the best regression equation which will be used to predict the random variables which are bound. In this Thesis, The method used is the the smallest Squares method  and Bootstrap Methods. The smallest Squares method is used to determine the regression parameter estimation which  the results of  residual resampling used to obtain regression parameter estimation using the Bootstrap method.  The Criteria of  model selection uses Statistics . The equation regression with the smallest Statistics is the best equation model. Comparison between the estimation parameter and the parameter sought by Vector Norm. To be easy in calculating of  determining parameter estimation and Statistics use Matlab  program. The performance of the proposed method is viewed by simulation method. From the simulation result and comparison between the parameter estimation and the parameters, it can indicate that the Bootstrap method can estimate the parameter accurately. As the example of application, those both methods are applied in Indonesion Bank data relating to the amount of circulating money and the factors that influence it.
PENERAPAN PENDEKATAN STUKTURAL THINK-PAIR-SHARE (TPS) UNTUK MENINGKATKAN MINAT DAN HASIL BELAJAR MATEMATIKA SISWA KELAS 7 PA SMPIT MASJID SYUHADA KOTABARU YOGYAKARTA Suripah, Suripah
Jurnal Ilmiah AdMathEdu Vol 2, No 1 (2012): Juni
Publisher : Universitas Ahmad Dahlan

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Abstract

This research was to know the increase of result learn and interest of learning mathematics at SMP IT Masjid Syuhada Kotabaru Yogyakarta, in Oktober-November 2011. Subject were collected amount to 17 people. The data collecting instruments included an assay test and interest questionnaire. The data were analyzed using analysis descriptive. The result of research indicated the approach of Think-Pair-Share can improve result learn and interest of learning mathematics at chapter one variable linear equation. Where average interest of learning mathematics of the students was indicated high with average 41,18. The result of learning increased from 68,71 to 79,76.
DEVELOPING MATHEMATICAL REASONING THROUGH EMERGENT MODELING Anwar, Lathiful
Jurnal Ilmiah AdMathEdu Vol 2, No 2 (2012): Desember
Publisher : Universitas Ahmad Dahlan

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Abstract

This paper discusses a design instructional which is called as “Emergent Modeling” within an exemplary instructional  sequence on data analysis. The modeling can be distinguished into both modeling as “translation” and modeling as “organizing”.  In this paper, the “Emergent Modeling” fits a modeling as “organizing”. In this perspective, the model and the situation modeled are mutually constituted in the process of modeling activity. The “emergent” has two meanings, it refers to both process by which models emerge, and the process by which these models support the emergence of more formal mathematical reasoning. The “more formal” is meant to refer to the constitution of new mathematical reality. This is reflected in the exemplary instructional sequence, in which the model coevolves with the notion of addition up to 100 as an entity. Key words : emergent modeling, model as organizing, more formal mathematical reasoning,                                 instructional sequence.
PENGEMBANGAN MEDIA PEMBELAJARAN MATEMATIKA BERBASIS MULTIMEDIA INTERAKTIF PADA MATERI TURUNAN FUNGSI Priliyanti, Priliyanti
Jurnal Ilmiah AdMathEdu Vol 2, No 2 (2012): Desember
Publisher : Universitas Ahmad Dahlan

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Abstract

This study aims to design and develop interactive multimedia-based learning media on the topic derivatives function and knowing students’ interest while using the interactive multimedia-based learning media on the topic derivatives function. This research is a development of a model ADDIE (Analysis, Design, Development, Implementation, and Evaluation) used to produce a product. The product is mathematics learning media interactive multimedia-based. The research is carried out at SMA 2 Yogyakarta. The research data is obtained from the questionnaire validation media by media experts, questionnaire validation media by media matter experts, questionnaire evaluation media by student questionnaires and student interest questionnaire. The research data are analyzed quantitatively and qualitatively for the purpose of media evaluation. The analysis phase determines that the material is packaged in a learning media. The learning media is the derivative function which is developed using Macromedia Flash 8. At the development stage, media and materials experts conduct a trial of small groups that aim to test the media feasibility. Media validation questionnaire obtains percentage of 85,44% and 77,60%, and both of percentage are good category. In the implementation stage, a field test is conducted to test the learning media and knowing students’ interest towards the learning media. Students’ media evaluation questionnaire obtains percentage of 74,38% and 74,06% of interest questionnaire. It is concluded that the mathematics learning media interactive multimedia-based in the topic derivatives and function is feasible and can attract students’ learning interest in using learning media.      Key words : learning media, ADDIE, derivative function

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