Penelitian ini bertujuan untuk mengetahui : pengaruh self confidence terhadap hasil belajar matematika siswa; pengaruh kemampuan berpikir kreatif terhadap hasil belajar matematika siswa; pengaruh self confidence dan kemampuan berpikir kreatif terhadap hasil belajar matematika siswa kelas XI MIPA SMA Negeri 2 Tarakan. Penelitian ini dilaksanakan pada semester ganjil tahun ajaran 2019/2020.
Jenis penelitian yang digunakan adalah penelitian kuantitatif dengan metode survey. Sampel penelitian ini adalah 120 siswa yang diambil dengan menggunakan teknik simple random sampling. Teknik penggumpulan data dalam penelitian ini dengan menyebarkan kuesioner self confidence , tes kemampuan berpikir kreatif, dan dokumen hasil belajar matematika. Data yang diperoleh diolah dengan program pengolahan data statistik yaitu SPSS 23.
Hasil penelitian ini menunjukkan bahwa terdapat pengaruh yang signifikan secara parsial antara self confidence terhadap hasil belajar matematika siswa kelas XI MIPA SMA Negeri 2 Tarakan dengan persamaan regresi ?1 = 15,482 + 0,570X, dan terdapat pengaruh yang signifikan secara parsial antara kemampuan berpikir kreatif terhadap hasil belajar matematika siswa kelas XI MIPA SMA Negeri 2 Tarakan dengan persamaan regresi ?2 = 25,658 + 0,381X. Selain itu hasil penelitian menujukkan terdapat pengaruh yang signifikan secara simultan antara self confidence dan kemampuan berpikir kreatif terhadap hasil belajar matematika siswa kelas XI MIPA SMA Negeri 2 Tarakan, dengan persamaan regresi ? = 6,197 + 0,293X1 + 1,632X2. Berdasarkan hasil perhitungan koefisien determinasi, diketahui bahwa self confidence dan kemampuan berpikir kreatif secara simultan memberikan pengaruh sebesar 19,2% terhadap hasil belajar matematika siswa kelas XI MIPA SMA Negeri 2 Tarakan.

Kata Kunci: Self Confidence, Kemampuan Berpikir Kreatif, Hasil Belajar Matematika

The aims of this research to determine: the effect of self confidence on student mathematics learning outcomes; the effect of creative thinking skills on student mathematics learning outcomes; the influence of self confidence and creative thinking skills on the mathematics learning outcomes of students of class XI MIPA SMA Negeri 2 Tarakan. This research was conducted in the odd semester of the 2019/2020 school year. This type of research is quantitative research with survey methods. The sample of this study was 120 students taken using simple random sampling technique. Data collection techniques in this study by distributing self-confidence questionnaires, tests of creative thinking skills, and documents on mathematics learning outcomes. The data obtained were processed using a statistical data processing program, SPSS 23. The results of this research indicate that there is a partially significant effect between self confidence on mathematics learning outcomes of students of class XI MIPA SMA Negeri 2 Tarakan with a regression equation ?1 = 15.482 + 0.570X, and there is a significant significant effect between the ability to creative thinking skills on learning outcomes mathematics students of grade XI MIPA of SMA Negeri 2 Tarakan with a regression equation ?2 = 25,658 + 0,381X. In addition, the results of the research showed that there was a significant simultaneous effect between self confidence and the ability to creative thinking skills on the mathematics learning outcomes of students of Class XI MIPA in SMA Negeri 2 Tarakan, with a regression equation ? = 6.197 + 0.293X1 + 1.632X2. Based on the results of the calculation of the coefficient of determination, it is known that self confidence and the ability to think creatively simultaneously have an effect of 19.2% on the learning outcomes of students of class XI MIPA at SMA Negeri 2 Tarakan. Keywords: Self Confidence, Creative Thinking Skills, Learning Outcomes of Mathematics