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Ribka Yohana
IKIP SIliwangi
Education

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ANALISIS KEMAMPUAN BERPIKIR KRITIS SISWA MTsN KOTA CIMAHI PADA MATERI PERSAMAAN LINEAR DUA VARIABEL DITINJAU DARI KEPERCAYAAN DIRI Acep Pebianto; Gugun Gunawan; Ribka Yohana; Adi Nurjaman
Journal on Education Vol 1 No 3 (2019): Journal On Education, Vol 1, No 3, April, 2019
Publisher : Departement of Mathematics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1030.715 KB) | DOI: 10.31004/joe.v1i3.109

Abstract

Mathematical critical thinking ability is the ability of the thinking process to systematically investigate the thinking process itself, analyze arguments and bring up ideas with evidence on each meaning to develop a logical mindset that emphasizes making decisions about what to believe or do. The importance of mathematical critical thinking skills is to help students to think rationally in making decisions and conclusions to choose the best alternative and to be able to look at various problems. In addition to mathematical thinking skills, one of the affective aspects is self-confidence or self confidence. Self-confidence is self-confidence in the ability that it has so that it is sure to be able to solve a problem. This study aims to determine the difficulties of students in working on two linear variables in terms of student self-confidence and whether there is a relationship between self-confidence and mathematical critical thinking skills. The research method used is descriptive qualitative. The population of this study was all Mts in the city of Cimahi while the sample was the students of class IX B MTSN Kota cimahi. The critical thinking ability test instruments given were 5 questions accompanied by interviews with each student. and the Self Confidence questionnaire consisting of 20 positive and negative statements. Then the results obtained are the level of mathematical critical thinking ability of the students of the City of Cimahi, which is low and there is no influence between Self Confidence and mathematical critical thinking skills.
DISPOSISI MATEMATIK TERHADAP KEMAMPUAN BERPIKIR KREATIF MATEMATIK SISWA SMK Ribka Yohana; Luvy Sylviana Zanthy
Journal on Education Vol 1 No 3 (2019): Journal On Education, Vol 1, No 3, April, 2019
Publisher : Departement of Mathematics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (494.838 KB) | DOI: 10.31004/joe.v1i3.127

Abstract

This study aims to determine the effect of students' mathematical dispositions on mathematical creative thinking skills. The method of this study uses correlational methods and quantitative approaches. The population in this study were students of one of the Vocational Schools in West Bandung Regency and the sample of this study was 31 students of the XI TEI class. The instrument in this study was a test of mathematical creative thinking skills as much as 4 items of the description questions, then the non-test instruments were in the form of mathematical dispositions of 20 scales of positive and negative statements. The stage carried out in this study was the filling of mathematical disposition questionnaires, tests of mathematical creative thinking skills. The results of this study concluded that mathematical dispositions have a positive effect on students' mathematical creative thinking abilities of 1.7% and 98.3% are influenced by other factors beyond mathematical disposition
Co-Authors Acep Pebianto Adi Nurjaman Gugun Gunawan Luvy Sylviana Zanthy