ANALISIS KOMUNIKASI MATEMATIS SISWA DALAM MEMECAHKAN MASALAH MATEMATIKA BERDASARKAN GAYA KOGNITIF REFLECTIVE-IMPULSIVE KELAS VII SMP NEGERI 1 SUMBERREJO
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https://doi.org/10.32665/james.v1iApril.10Keywords:
Mathematical Communication, Komunikasi matematis, Reflective-Impulsive, Reflektif-impulsifAbstract
This research aims to analyze the ability of mathematical communicationin problem solving who had reflective cognitive style’s, and impulsive cognitive style’s in the first grade of SMP Negeri 1 Sumberrejo on mathematical written, drawing mathematically, and mathematical expression aspect’s. The research is a qualitative research with subjects in this research were eight students of class VII C SMP Negeri 1 Sumberrejo which consisting of four students with reflective cognitive style’s, four student with impulsive cognitive style’s. The subject in this research were taken by using purposive sampling technique. Data was collected by the results of written tests and interviews. Data analysis techniques used data reduction, data presentation, and conclusion.The validity of the data usetime triangulation that compared data of the first task and interview with the second task and interview. The results showed that: (1) students with reflective cognitive styles: the mathematical written ability are on the fourth level, drawing mathematically are on the third level, and mathematical expression are on the third level, (2) students with impulsive cognitive styles: the mathematical written ability are on the third level, drawing mathematically are on the second level, and mathematical expression are on the second level.
Penelitian ini bertujuan untuk mendeskripsikan kemampuan komunikasi matematis siswa dengan kategori gaya kognitif yakni reflective, dan impulsive, kelas VII SMP Negeri 1 Sumberrejo pada aspek menulis matematis, menggambar secara matematis, dan ekspresi matematis. Penelitian ini merupakan penelitian kualitatif dengan subjek penelitian delapan siswa kelas VII C SMP Negeri 1 Sumberrejo yang terdiri dari empat siswa dengan gaya kognitif reflective, empat siswa dengan gaya kognitif impulsive. Penentuan subjek penelitian menggunakan purposive sampling. Teknik pengumpulan data menggunakan tes tertulis dan wawancara. Teknik analisis data yang digunakan meliputi pengumpulan data, reduksi data, penyajian data dan verifikasi.Validitas data yang digunakan dalam penelitian ini menggunakan triangulasi waktu yang membandingkan antara data tertulis dan wawancara I dengan data tertulis dan wawancara II. Hasil penelitian menunjukkan bahwa kemampuan komunikasi matematis untuk siswa gaya kognitif reflective meliputi: kemampuan menulis matematis berada pada tingkat 4, kemampuan menggambar secara matematis berada pada tingkat 3, dan kemampuan ekspresi matematis berada pada tingkat 3. Kemampuan komunikasi matematis untuk siswa dengan gaya kognitif impulsive meliputi: kemampuan menulis matematis berada pada tingkat 4, kemampuan menggambar secara matematis berada pada tingkat 2, dan kemampuan ekspresi matematis berada pada tingkat 2.
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