<![CDATA[Penelitian ini bertujuan untuk menganalisis dan mendeskripsikan proses kesalahan konstruksi konsep peserta didik berdasarkan indikator kesalahan konstruksi konsep serta mengetahui level scaffolding yang dapat diberikan berdasarkan teori APOS. Jenis penelitian adalah deskriptif kualitatif. Subjek penelitian ditentukan dengan teknik purposive sampling. Subjek penelitian berjumlah 3 orang yang sesuai dengan kriteria yang ditentukan. Instrument menggunakan soal tes dengan pengerjaan secara think aloud dan lembar wawancara. Teknik analisis data yang dilakukan dengan (1) mereduksi data (2) Menyajikan data (3) Menarik kesimpulan. Hasil penelitian menunjukkan kesalahan konstruksi konsep matematika pada tahap Action peserta didik melakukan kesalahan lubang konstruksi, mis-logical construction, mis-analogical construction. Tahap process berupa kesalahan lubang konstruksi. Tahap Object kesalahan mis-analogical construction. Tahap Schema berupa kesalahan mis-logical construction. Pemberian scaffolding level II pada tahap Action adalah explaining dan reviewing. Tahap Process adalah explaining dan restructuring. Tahap Object adalah restructuring. Tahap Schema pemberian scaffolding level III yaitu developing conceptual thinking. This study aims to analyze and describe the process of students' conceptual construction errors based on indicators of conceptual construction errors and to determine the level of scaffolding that can be given based on the APOS theory. This type of research is descriptive qualitative. Research subjects were determined by purposive sampling technique. The research subjects were 3 people who fit the specified criteria. The instrument uses test questions with think aloud workmanship and interview sheets. Data analysis techniques are carried out by (1) reducing data (2) presenting data (3) drawing conclusions. The results of the study showed that in the Action stage students made mistakes in the construction of mathematical concepts in the Action stage, they made mistakes in construction holes, mis-logical construction, mis-analogical construction. The process stage is in the form of construction hole errors. Stage Object error mis-analogical construction. The Schema stage is in the form of a mis-logical construction error. Giving scaffolding level II at the Action stage is explaining and reviewing. The Process stage is explaining and restructuring. The Object stage is restructuring. The Schema stage of giving scaffolding level III is developing conceptual thinking.]]>
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