Email this article Implementation of Team Assited Individualization Instructional Strategies Supported by Geogebra Software to Improve Mathematical Problem Solving Ability
Abstract
Abstract: Implementation of team assisted individualization instructional strategies supported by GeoGebra software to improve mathematical problem solving ability. Objectives: This quasi-experiment study aims to determine the effectiveness of Team Assisted Individualization (TAI) instructional strategies assisted by Geogebra graphical software to improve students' mathematical problem solving abilities. Method: By cluster random sampling techniques, 66 students in grade VIII at SMPN 1 Wundulako were selected as sample. Data collection was carried out using pretest and posttest by applying problem solving test instrument, observation, and learning implementation questionnaire. The data analysis was carried out with descriptive and inferential statistics. Findings: The Tukey test results showed that the significance value was 0.005 (α <0.05) with the average scores of the experimental and control classes 80.42 and 76.03. Conclusion: TAI strategy with graphical software is more effective in improving the mathematical problem solving ability than conventional learning.
Keywords: Team assisted individualization, GeoGebra, mathematical problem solving ability.
Abstrak: Implementasi Model Pembelajaran Team Assisted Individualization Berbantukan Perangkat Lunak Geogebra Untuk Meningkatkan Kemampuan Pemecahan Masalah Matematis Siswa. Tujuan: Penelitian quasi-experiment ini bertujuan untuk mengetahui efektivitas strategi pembelajaran Team Assisted Individualization (TAI) berbantukan perangkat lunak Geogebra untuk meningkatkan kemampuan pemecahan masalah matematis siswa. Metode: Sebanyak 66 sampel siswa SMP kelas VIII di Kecamatan Wundulako terpilih berdasarkan cluster random sampling. Pengumpulan data dilakukan menggunakan pretest dan posttest dengan menerapkan instrume tes kemampuan pemecahan masalah, lembar observasi aktivitas dan keterlaksanaan pembalajaran. Analisis hasil penelitian dilakukan dengan statistik deskriptif dan inferensial. Temuan: Hasil uji Tukey menunjukkan bahwa nilai signifikansi adalah 0.005 (α <0.05) dengan skor rata-rata kelas eksperimen dan kontrol berturut-turut adalah 80.42 dan 76.03. Kesimpulan: Strategi pembelajaran TAI dengan bantuan software grafis lebih efektif dalam meningkatkan kemampuan pemecahan masalah matematika dibandingkan pembelajaran konvensional.
Kata kunci: Team assisted individualization, GeoGebra, kemampuan pemecahan masalah matematika.
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