Fitriyani ZS, Syawalia
Universitas Lampung

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Efektivitas Model Pembelajaran Group Investigation ditinjau dari Kemampuan Pemahaman Konsep Matematis Siswa

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Publisher : Universitas Lampung

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Abstract

This quasi experimental research aimed to find out the effectiveness of learning model of group investigation type in terms of students mathematical concepts understanding. The design of this research was posttest only control group design. The population of this research was all of 8th grade students in SMPN 23 Bandar Lampung in academic year of 2016/2017 which was distributed into 10 classes. The samples of this research were students of VIII A and VIII B classes which were chosen by purposive sampling technique. The research data were obtained by students mathematical concepts understanding ability test. Analysis data of this research using t-test. Based on the result and discussion of this research, it was concluded that the learning model of group investigation type wasnt effective in terms of students mathematical concepts understanding.Penelitian eksperimen semu ini bertujuan untuk mengetahui efektivitas pembelajaran Group Investigation ditinjau dari kemampuan pemahaman konsep matematis siswa. Desain yang digunakan adalah posttest only control group design. Populasi penelitian ini adalah seluruh siswa kelas VIII SMP Negeri 23 Bandar Lamping tahun pelajaran 2016/ 2017 yang terdistribusi ke dalam 10 kelas. Sampel penelitian adalah siswa kelas VIIIA dan VIIIB yang ditentukan dengan teknik purposive sampling. Data penelitian diperoleh melalui tes uraian kemampuan pemahaman konsep matematis siswa. Analisis data penelitian ini menggunakan uji-t. Berdasarkan hasil penelitian dan pembahasan diperoleh kesimpulan bahwa model pembelajaran Group Investigation tidak efektif ditinjau dari kemampuan pemahaman konsep matematis siswa.Kata kunci: Efektivitas, Group Investigation, Pemahaman Konsep