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All Journal Desimal: Jurnal Matematika Jurnal Pendidikan MIPA
Haryanza, Ajeng Sucitra
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Education Mathematics Social Sciences

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The effect of problem-based learning model on mathematical communication ability of junior high school students on the material of flat-sided space building Haryanza, Ajeng Sucitra; Pradipta, Trisna Roy
Desimal: Jurnal Matematika Vol. 6 No. 2 (2023): Desimal: Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/djm.v6i2.18297

Abstract

This study was influenced by the low mathematical communication of students due to the learning system that still uses the traditional system. The application of the problem-based learning (PBL) model is very important. This research is based on a quantitative approach using a quasi-experimental type with a planning framework of a non-equivalent control group design and a post-test only. The population of this study was VIII-grade students at SMPIT AT-Taufiq in the 2022–2023 school year. The sample consisted of 26 students who received treatment (experimental class) and 25 students who did not receive treatment (control class). The information storage strategy is carried out using a written mathematical communication ability test tool of 7 questions with 3 indicators. The Mann-Whitney U test was used for hypothesis testing, and data analysis strategy was used to determine the effect of the problem-based learning (PBL) model on communication skills using effect size. This study resulted in a significance value of 0.000 <0.05, with 87% in the high category. Students who received the problem-based learning (PBL) treatment had a mean score of 88 compared to 75 for students who did not receive the treatment. In this study, we found that problem-based learning (PBL) for materials has an impact on the competence of the problem-based learning (PBL) model on students' mathematical communication skills.
Bibliometric Analysis of Students' Errors in Solving Problems on Sets using VOSviewer Ginting, Adryani Br; Haryanza, Ajeng Sucitra; Zulkhoirunnisa, Alya; Amali, Ghina Rizki; Nadhira, Salma; Muntazhimah, Muntazhimah
Jurnal Pendidikan MIPA Vol 23, No 2 (2022): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Learning error can be interpreted as a certain condition marked by errors when someone completes a test. One of the causes of students' mistakes in answering questions is the lack of understanding of the concepts in the material. Research on student errors in solving problems related to set material uses the bibliometric method, which is still rarely done before. This research is indexed from Scholar with 500 articles obtained and extracted in the Publish or Perished (PoP) application. The articles obtained were published from 0 to 2022. The articles with the most article citations with 1837 citations occurred in 2020. After that, it was continued by visualizing the network, the number of cluster items was 10 red, 6 green and 4 blue, overlay and density by using the VOSviewer application. Therefore, it can be concluded that mathematical problem is one of the keywords that is still rarely studied. Keywords: students’ error, mathematics, bibliometric analysis, sets. DOI: http://dx.doi.org/10.23960/jpmipa/v23i2.pp766-773
Co-Authors Amali, Ghina Rizki Ginting, Adryani Br Muntazhimah, Muntazhimah Nadhira, Salma Trisna Roy Pradipta, Trisna Roy Zulkhoirunnisa, Alya