Abstract
Error analysis is integral part of mathematics learning. This qualitative research aims to describe the types and causes of student errors in solving combinatorics problem based on cognitive style. Subjects are high school students with field independent (FI) and field dependent (FD) cognitive style. Error analysis refers to Newman's error analysis. FI and FD students have same errors that are comprehension error at stage of understanding problem; processing skills error and encoding error at the stage of carrying out the plan. The causes of the errors are viewed from the cognitive factors, namely understanding students' concepts in solving problems. FI students have a deeper understanding and make careless error while the FD students have a lack of understanding of the concept which cause more error. The cause of errors in both students is also due to the accumulation of errors at stage of understanding problem.
Highlights
Pemecahan masalah kombinatorika memerlukan kemampuan berfikir analitik dan siswa cenderung merasa kebingungan dalam memecahkan masalah-masalah kombinatorika tersebut
describe the types and causes of student errors in solving combinatorics problem based on cognitive style
Error analysis refers to Newman's error analysis
Summary
Subjek penelitian terdiri dari dua orang siswa masing-masing siswa bergaya kognitif field dependent (FD) dan bergaya kognitif field independent (FI). Instrumen yang dibutuhkan adalah soal tes GEFT, soal tes pemecahan masalah dan pedoman wawancara. Soal tes GEFT ditujukan untuk mengelompokkan siswa menjadi siswa bergaya kognitif field dependent (FD) dan dua siswa bergaya kognitif field independent (FI). Soal tes pemecahan masalah kombinatorika yang diberikan terkait dengan aturan pencacahan dalam menentukan banyak plat nomor yang terbentuk sedemikian sehingga angka dalam plat nomor tersebut membentuk bilangan genap. Rincian masalah kombinatorika tersebut adalah “Plat mobil wilayah Malang diawali dengan huruf N yang diikuti empat angka dan diakhiri dua huruf. Pedoman wawancara berisi pertanyaanpertanyaan pokok untuk menggali lebih dalam jenis dan penyebab kesalahan siswa dalam memecahkan masalah kombinatorika. Newman untuk mendeskripsikan jenis kesalahan dan penyebab kesalahan siswa dalam memecahkan masalah kombinatorika
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