Tina Yunarti, Rini Asnawati, M. Coesamin


Mathematical disposition is one of the most studied variables in offline learning. When online learning is carried out, this variable is often forgotten because of the difficulty of capturing this phenomenon in learning. This variable is needed to improve the quality of mathematics learning in class and student learning outcomes. This study aims to find the effect of students' mathematical disposition on learning outcomes in learning with the Instagram (IG) platform. The research was conducted in class XI IPA SMAN 15 Bandar Lampung using the causal method and the research population was 282 people. The variables in this study were students' mathematical disposition (X) and students' mathematics learning outcomes (Y). The data were obtained through a questionnaire instrument for students' mathematical dispositions and a mathematical test instrument. Hypothesis testing is done by a simple linear regression test using = 0.05. The regression equation is obtained = 35.811 + 0.026X with = 0.09. The significance value of mathematical disposition is 0.048 (𝑠i𝑔 < ) so it can be concluded that there is an influence of mathematical disposition on the understanding of mathematical concepts of class XI students of SMAN 15 Bandar Lampung.

Keywords: instagram; learning outcome; mathematical disposition


Disposisi matematika merupakan salah satu variabel yang banyak diteliti dalam pembelajaran offline. Saat pembelajaran online dilakukan, variabel ini banyak dilupakan karena sulitnya menangkap fenomena ini dalam pembelajaran. Padahal variabel ini sangat dibutuhkan untuk memerbaiki kualitas pembelajaran matematika di kelas dan hasil belajar siswa. Penelitian ini bertujuan untuk menemukan pengaruh disposisi matematika siswa terhadap hasil belajar dalam pembelajaran dengan platform Instagram (IG). Penelitian dilakukan di kelas XI IPA SMAN 15 Bandar Lampung dengan menggunakan metode kausal dan populasi penelitian 282 orang. Variabel dalam penelitian ini adalah disposisi matematika siswa (X) dan hasil belajar matematika siswa (Y). Data diperoleh melalui instrumen angket disposisi matematika siswa dan instrumen tes matematika. Pengujian hipotesis dilakukan dengan uji regresi linear sederhana dengan menggunakan 𝛼 = 0,05. Diperoleh persamaan regresi 𝑌 = 35,811 + 0,026X dengan 𝑟 = 0,09. Nilai signifikansi disposisi matematis adalah 0,048 (𝑠i𝑔 < 𝛼) sehingga disimpulkan bahwa terdapat pengaruh disposisi matematis terhadap pemahaman konsep matematis siswa kelas XI SMAN 15 Bandar Lampung.

Kata Kunci: instagram; disposisi matematika; hasil belajar






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