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Journal : Plusminus: Jurnal Pendidikan Matematika

Kemampuan Penalaran Proporsional pada Materi Perbandingan Puspita, Tita; Muzdalipah, Ipah; Nurhayati, Elis
Plusminus: Jurnal Pendidikan Matematika Vol. 3 No. 1 (2023): Maret
Publisher : Department of Mathematics Education Program IPI Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31980/plusminus.v3i1.1227

Abstract

Penelitian ini bertujuan untuk mendeskripsikan kemampuan penalaran proporsional peserta didik serta kesulitan yang dihadapi peserta didik dalam menyelesaikan soal pada materi perbandingan. Penelitian ini termasuk penelitian kualitatif dengan metode eksplorasi dengan pengambilan data menggunakan think aloud. Teknik pengumpulan data yang digunakan berupa tes kemampuan penalaran proporsional dan wawancara tidak terstruktur. Subjek penelitian ini merupakan peserta didik kelas IX A SMP Negeri 2 Teluk Gelam Palembang. Penentuan subjek berdasarkan hasil pengerjaan soal tes peserta didik yang memenuhi 4 indikator kemampuan penalaran proporsional peserta didik terlepas dari jawaban benar atau salah, serta mampu memberikan informasi yang jelas sekaitan pengerjaan soal tes. Teknik analisis data yaitu meliputi reduksi data, penyajian data dan penarikan kesimpulan. Dari hasil penelitian menggunakan think aloud disimpulkan bahwa terdapat dua peserta didik yang mampu mengerjakan soal tes dan mampu memenuhi empat indikator kemampuan penalaran proporsional terlepas dari jawaban benar atau salah. This study aims to analyze the proportional reasoning abilities of students and the difficulties faced by students in solving problems on comparative material. This research includes qualitative research with exploratory methods with data collection using think aloud. Data collection techniques used in the form of proportional reasoning ability tests and unstructured interviews. The subjects of this study were students of class IX A of SMP Negeri 2 Teluk Gelam Palembang. Subject determination is based on the results of students' test questions that meet 4 indicators of students' proportional reasoning abilities regardless of right or wrong answers, and are able to provide clear information regarding test questions. Data analysis techniques include data reduction, data presentation and conclusion drawing. From the results of the study using think aloud, it was concluded that there were two students who were able to work on the test questions and were able to meet the four indicators of proportional reasoning ability regardless of right or wrong answers.