ANALISIS KESALAHAN KONSTRUKSI SISWA DALAM MENYELESAIKAN MASALAH FUNGSI INVERS
Abstract
Penelitian ini bertujuan untuk mendeskripsikan kegagalan konstruksi siswa dalam menyelesaikan masalah fungsi invers. Penelitian ini dilaksanakan di SMA Negeri 2 Luwu. Jenis penelitian yang digunakan adalah penelitian kualitatif. Pemilihan subjek dilakukan dengan memberikan lembar tugas kepada siswa kelas XI yang bersedia untuk menjawab tugas yang diberikan kemudian dari hasil tersebut dipilih 2 subjek berdasarkan indikator kesalahan konstruksi konsep matematika. Instrumen yang digunakan adalah peneliti sendiri sebagai instrumen utama dan instrumen pendukung, yakni lembar tugas yang terdiri dari 1 butir soal dan pedoman wawancara. Data dianalisis dengan menggunakan langkah-langkah analisis data penelitian kualitatif menurut Creswell (2012). Hasil penelitian menunjukkan bahwa terdapat beberapa kesalahan konstruksi konsep yang dilakukan siswa, sehingga menyebabkan kegagalan konstruksi dalam menyelesaikan masalah fungsi invers, yaitu: (1) Lubang konstruksi, subjek mengalami lubang konstruksi dikarenakan proses berpikir subjek dalam mengonstruksi suatu konsep tidak sesuai dengan aturan yang ada. (2) Mis-analogical construction, subjek mengalami Mis-analogical construction dikarenakan subjek salah menganalogikan suatu bentuk konsep dengan bentuk konsep yang lain. (3) mis-logical construction, subjek mengalami mis-logical construction dikarenakan subjek kurang paham dengan konsep yang digunakan.
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