PENGARUH MODEL PEMBELAJARAN INKUIRI TERHADAP PENINGKATAN KEMAMPUAN PENALARAN MATEMATIS SISWA

This quasi experimental research aimed to find out the effect of inquiry learning towards the incrasing of students mathematical reasoning ability. The design which was used was pretest-posttest control group design. The population of this research was all students of grade eight of Junior High School of 19 Bandar Lampung in academic year of 2016/2017 which was distributed into twelve classes. The samples of this research were students of VIIIH and VIIII class that were determined by purposive random sampling technique. Based on the result of this research and discussion, it was concluded that the implementation of inquiry learning affect towards the incrasing of students mathematical reasoning ability.Penelitian eksperimen semu ini bertujuan untuk mengetahui pengaruh model pembelajaran inkuiri terhadap peningkatan kemampuan penalaran matematis siswa. Desain yang digunakan adalah pretest-posttest control group design. Populasi penelitian ini adalah seluruh siswa kelas VIII SMP 19 Bandarlampung tahun pelajaran 2016/2017 yang terdistribusi dalam 12 kelas. Sampel penelitian ini adalah siswa kelas VIIIH dan VIIII yang ditentukan dengan teknik purposive random sampling. Berdasarkan hasil penelitian dan pembahasan, diperoleh kesimpulan bahwa penerapan model pembelajaran inkuiri berpengaruh terhadap kemampuan penalaran matematis siswa.Kata kunci: pembelajaran inkuiri, penalaran matematis, pengaru