The study aimed to analyze the interaction effect teaching models and cognitive style field dependent (FD)-field independent (FI) to students' mathematical problem-solving ability (MPSA), as well as students' MPSA differences based on teaching models and cognitive styles. Participants in this study were 145 junior high school students, with details of 50 students learning through the Connect, Organize, Reflect, and Extend Realistic Mathematics Education (CORE RME) model, 49 students use the CORE model, and 46 students use the Conventional model. Data collection tools used are the MPSA test, and the group embedded figure test (GEFT). The MPSA test finds out that there are interaction effect teaching models and cognitive styles on students' MPSA, as well as a significant difference in MPSA students who study through the CORE RME model, CORE model, and Conventional model. Based on cognitive style, between students who study through CORE RME model, CORE model, and Conventional model found that there was no significant difference in MPSA between FI students. Furthermore, there were significant differences in MPSA between FD students and also MPSA of FI students better than MPSA FD students. Therefore, teaching models and student cognitive styles are very important to be considered in the learning process, so students are able to solve mathematical problems. AbstrakPenelitian ini bertujuan untuk menganalisis efek interaksi model pembelajaran dan gaya kognitif field dependent (FD)-field independent (FI) terhadap kemampuan pemecahan masalah matematika (KPMM) siswa, serta perbedaan KPMM siswa berdasarkan model pembelajaran dan gaya kognitif. Partisipan dalam penelitian ini sebanyak 145 siswa sekolah menengah pertama, dengan perincian 50 siswa belajar melalui model CORE RME, 49 siswa belajar melalui model CORE, dan 46 siswa belajar melalui model Konvensional. Alat pengumpulan data yang digunakan adalah tes KPMM, dan group embedded figure test (GEFT). Temuan dari tes KPMM adalah terdapat efek interaksi model pembelajaran dan gaya kognitif terhadap KPMM siswa, serta adanya perbedaan secara signifikan KPMM siswa yang belajar melalui model CORE PMR, model CORE, dan model Konvensional. Berdasarkan gaya kognitif, antara siswa yang belajar melalui model CORE PMR, model CORE, dan model Konvensional ditemukan bahwa tidak terdapat perbedaan secara signifikan KPMM antara siswa FI. Selanjutnya, terdapat perbedaan secara signifikan KPMM antara siswa FD dan KPMM siswa FI lebih baik dari KPMM siswa FD. Oleh karena itu, model pembelajaran dan gaya kognitif siswa sangat penting untuk dipertimbangkan dalam proses pembelajaran, sehingga siswa dapat memecahkan masalah matematika. Kata kunci: Kemampuan pemecahan masalah matematika, Model pembelajaran, Field dependent-Field independentHow
This study aims to explore the ethnomatematics contained in Batik Paoman Indramayu and apply it to the learning of geometry field in elementary school. This research is a qualitative research with ethnography approach, where the data collection technique is done by library study, observation, interview, field note, and documentation. Interviews were conducted on two batik entrepreneurs and an embroidered entrepreneur. Based on the results of research data collection obtained 7 namely Parang Teja, Obar Abir, Biskuit Sawat, Serujing, Matahari, Siled and Banji Tepak. The concept of elementary geometry in the primary school that is on the paoman batik motif is the concept of point, straight line, curve line, zigzag line, line height, parallel line, angle, triangle, rectangle, fold symmetry, rhombus.Paoman batik motif that has the concept of geometry for elementary school, of course can be used in the pursuit of geometry fields such as on line recognition, angle recognition, and simple flat wake recognition.
This study aims to reveal student algebraic problem-solving errors based on Polya and Newman hierarchical indicator. The subject was a study of 30 students of grade VII in one of the junior high school located in the Timor Tengah Utara, NTT, Indonesian, 2018/2019 period. Process of collecting data used tests and interviews. The result of the student problem-solving ability test was grouped into three parts, namely 5 of the student in the low category, 20 of the student in the medium category, and 5 of students in the high category. The result of the analysis based on Polya indicator indicated that a group of low students made an error on all indicators. The medium of category students made an error in carrying out the plan and looking back. For those in the high category, they make an error in looking back indicator. While the result of the analysis was based on Newman hierarchical indicator that a group of low students made an error ranging from comprehension to encoding. Group medium student makes an error in the process skill and encoding process. For those in the high category, they tend to make an error at the encoding indicator.
A good assessment instrument is an instrument that can reveal data in accordance with the actual reality, is fixed, steady or reliable, and has varying degrees of difficulty and has a good index of discrimination. Therefore this study was conducted to analyze reliability, validity, level of difficulty, and differentiation of items that can be used to reveal students' mathematics problem solving abilities. The test questions tested are questions in the form of 4 numbers. The calculation results show that the 4 test questions for problem solving ability are reliability in the medium category, and valid with each category is high. The index has difficulty number 1 in the easy category, number 2 and 3 in the medium category, and number 4 in the difficult category, and the discrimination index is quite good
The present study aims at uncovering Mathematical Concept Understanding Ability in solving the problem of 3D Geometry from the perspective of both cognitive styles dependent and independent field. As the instrument, this study adopts Group Embedded Figure Test, Observation worksheet, test, interview, and documentation. In dealing with data analysis, it relies on qualitative analysis consisting data reduction, data display, and conclusion drawing. Based on the investigation, it could be inferred that the students with cognitive dependent field could solve the problem with 3D Geometry; however, they still need some improvements to realize a proper way in using such method. On the other hand, the students with cognitive independent field, they could correctly operationalize the 3D Geometry concept to solve the same problem. In addition, this study also recommends that to minimize the problem above, the teacher is supposed to give proportional distribution in implementing either individual or group task.
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