Eka Subekti, Ervina
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Model Problem Based Learning (PBL) Berbasis Etnomatematika pada Materi Geometri Terhadap Hasil Belajar Safitri, Filda Noor; Reffiane, Fine; Eka Subekti, Ervina
MIMBAR PGSD Undiksha Vol 8, No 3 (2020)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jjpgsd.v8i3.29040

Abstract

Rendahnya hasil belajar geometri yang disebabkan karena kurangnya penggunaan model pembelajaran inovatif menyebabkan siswa kesulitan dalam memahami materi. Penelitian ini bertujuan untuk menganalis pengaruh pembelajaran model problem-based learning berbasis etnomatematika dalam meningkatkan hasil belajar matematika siswa kelas IV SD. Populasi penelitian ini berjumlah 22 siswa. Sampel penelitian ini berjumlah 22 siswa. Teknik pengambilan sampel yang digunakan dalam penelitian ini adalah sampling jenuh. Metode pengumpulan data yang digunakan yaitu dokumentasi, wawancara dan tes. Analisis data yang digunakan pada penelitian ini yaitu analisis statistik kualitatif dengan menghiting uji normalitas, uji ketuntasan, dan uji hipotesis. Hasil penelitian menunjukan bahwa rata-rata hasil pretest belajar sebesar 59,546 (43,39%) sedangkan rata-rata hasil posttest belajar sebesar 77,682 (56,61%) dan hasil perhitungan uji hipotesis menggunakan Paired Sample T-Test, diperoleh nilai thitung sebesar -6,170 dengan nilai ttabel (α=5%, df=42) sebesar 1,68195. Sehingga dapat disimpulkan bahwa model pembelajaran problem-based learning berbasis etnomatematika berpengaruh kepada hasil belajar siswa. Model pembelajaran problem-based learning berbasis etnomatematika dapat meningkatkan hasil belajar matematika pada siswa kelas IV SD. 
Team Assisted Individualization Model Assisted by Effective Ludo Media Improving Student Learning Outcomes Wilujeng, Donna Restu; Sukamto, Sukamto; Eka Subekti, Ervina
Journal of Education Technology Vol 4, No 3 (2020)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jet.v4i3.27794

Abstract

The low competence of mathematical knowledge caused by the lack optimal use of the learning model makes it difficult for students to understand the learning material. The purpose of this study was to analyze the effectiveness of the Team Assisted Individualization model assisted by Ludo media on learning outcomes in terms of the problem-solving ability of fraction material. This type of research was a quantitative study using pre-experimental design in the form of a one-group pretest-posttest design. The number of samples in this study was all students of class IV, amounting to 26 students using saturated sampling type sampling. Data collection in this study was obtained through interviews, tests and documentation. The results of data analysis obtained tcount 9.698 and ttable 1.706 with a significant level of 5%. Because t_count> ttable is 9.698> 1.706, so H_0 is rejected, which means that there are differences in pretest and posttest learning outcomes. Then the two-party t-test of problem-solving abilities shows that tcount> ttable is 8,000> 1,671 then H_0 is rejected, so there is a significant difference in learning outcomes seen from the problem-solving ability using the Team Assisted Individualization model with groups that are taught with conventional models in grade IV SD. The Team Assisted Individualization model assisted by Ludo media is effectively applied in the learning process to improve student learning outcomes for fractions.