Peningkatan Kemampuan Pemecahan Masalah Geometri dan Self-Efficacy Matematis Siswa SMA Melalui Pembelajaran Investigasi

Fiki Alghadari, - (2020) Peningkatan Kemampuan Pemecahan Masalah Geometri dan Self-Efficacy Matematis Siswa SMA Melalui Pembelajaran Investigasi. S3 thesis, Universitas Pendidikan Indonesia.

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Abstract

Pencapaian geometri siswa mendapat poin rendah pada hasil survey dan penilaian dari tahun ke tahun berdampak pada peningkatan kemampuan pemecahan masalah geometri (PMG) dan self-efficacy matematis (SEM). Kemampuan PMG adalah kemampuan siswa memecahkan masalah jarak pada bangun ruang yang dirancang menurut level van Hiele. SEM adalah derajat keyakinan siswa terhadap kemampuan dirinya untuk benar memecahkan suatu masalah geometri. Kemampuan PMG dan SEM dapat didorong melalui kegiatan yang melibatkan proses investigasi. Proses investigasi melibatkan tahap entry, attack, review, dan extension. Penelitian ini mengkaji peningkatan kemampuan PMG dan SEM melalui pembelajaran investigasi pada siswa kelas XII-IPS tahun pelajaran 2018/2019 di satu SMA Tanjungpandan, Bangka Belitung. Penelitian ini menerapkan kuasi eksperimen dengan desain pretes-postes kelompok kontrol. Data dianalisis berdasarkan perbedaan pembelajaran, gender, dan tingkat kemampuan dasar geometri (KDG). Hasil analisis menyimpulkan bahwa terdapat perbedaan kemampuan PMG siswa signifikan berdasarkan gender dan tingkat KDG, namun tidak berdasarkan pembelajaran. Sedangkan pencapaian SEM siswa, hanya berbeda signifikan berdasarkan tingkat KDG tetapi tidak berdasarkan pembelajaran maupun gender. Pengaruh interaksi pembelajaran dan gender adalah signifikan terhadap kemampuan PMG, tetapi tidak pada pengaruh interaksi pembelajaran dan tingkat KDG. Sementara terhadap SEM siswa, hanya signifikan pada pengaruh interaksi pembelajaran dan tingkat KDG. Secara bersama-sama bahwa KDG dan kedua model SEM, yaitu mathematics test-taking dan mathematics skill, berpengaruh terhadap kemampuan PMG siswa, baik dimoderasi pembelajaran maupun gender. Students’ achievements in geometry were low on surveys and assessments results from year to year have an impact on enhancing geometry problem solving (GPS) ability and mathematical self-efficacy (MSE). GPS ability is the students’ ability to solve the problem of the distance in solid that was designed based on van Hiele's level. SEM is the degree of students’ confidence in their ability to solve a geometry problem correctly. GPS ability and MSE can be encouraged through activities involving an investigative process. The investigation process involves entry, attack, review, and extension phase. This research is to study an enhancement students’ GPS ability and mathematical self-efficacy (MSE) through investigative learning for 12th social program students in the academic year 2018/2019 at the one high school at Tanjungpandan Bangka Belitung. This research applied quasi-experiment by the pretest-postest control group design. Data were analyzed based on differences in the learning approach, gender, and the geometry ability (BGA) of basic level. The analysis result concluded that there is significant difference of students’ GPS ability based on gender and BGA level category, but not for the learning approach. At the same time, a students’ MSE achievement just significant different based on the BGA level but it is not for both of learning approach and gender. An interaction effect between learning approach and gender is significant toward GPS ability, but not for interaction between learning approach and BGA level. While the students’ MSE, just significantly at the interaction effect between learning approach and BGA level. Parallely that BGA and two MSE models, that is mathematics test-taking and mathematics skill, affected to students’ GPS ability, as well moderated by learning approach and gender.

Item Type:	Thesis (S3)
Additional Information:	No Panggil : D MTK FIK p-2020; NIM : 1603272
Uncontrolled Keywords:	geometri, investigasi, pemecahan masalah, self-efficacy.
Subjects:	L Education > L Education (General) Q Science > QA Mathematics
Divisions:	Sekolah Pasca Sarjana > Pendidikan Matematika S-3
Depositing User:	Fiki Alghadari
Date Deposited:	03 Sep 2020 07:14
Last Modified:	03 Sep 2020 07:14
URI:	http://repository.upi.edu/id/eprint/50536

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