RETIANA RIZKIA, . (2025) PENGARUH MODEL PEMBELAJARAN KOOPERATIF TIPE STUDENT TEAMS ACHIEVEMENT DIVISION (STAD) DENGAN PENDEKATAN PENDIDIKAN MATEMATIKA REALISTIK (PMR) TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA SMP NEGERI 232 JAKARTA. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.
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Abstract
Penelitian ini bertujuan untuk mengetahui pengaruh model pembelajaran kooperatif tipe Student Teams Achievement Division (STAD) dengan pendekatan Pendidikan Matematika Realistik (PMR) terhadap kemampuan pemecahan masalah matematis siswa. Penelitian ini menggunakan metode quasi experiment dengan posttest only control group design. Teknik pengambilan sampel yang digunakan adalah Cluster Random Sampling. Sampel penelitian yaitu siswa kelas IX-6 dan IX-7 di SMP Negeri 232 Jakarta. Kemampuan pemecahan masalah matematis siswa diukur menggunakan instrumen penelitian yaitu 4 soal uraian pada materi peluang yang telah valid dan reliabel. Instrumen tersebut dinyatakan valid melalui uji validitas isi, validitas konstruk, dan validitas empiris. Perhitungan reliabilitas dilakukan menggunakan rumus Alpa Cronbach dan diperoleh koefisien reliabilitas sebesar 0,708 yang termasuk dalam kategori tinggi. Hasil pengujian hipotesis menggunakan uji-t dengan taraf signifikansi α=0,05 didapat bahwa nilai t_hitung=2,494 dan t_tabel=1,669, maka H_0 ditolak yang berarti rata-rata kemampuan pemecahan masalah matematis siswa yang menerapkan model pembelajaran kooperatif tipe STAD dengan pendekatan PMR lebih tinggi dibandingkan rata-rata kemampuan pemecahan masalah matematis siswa yang diajarkan menggunakan model pembelajaran konvensional. Nilai Cohen’s Effect Size yang diperoleh adalah 0,614 dengan persentase 73% yang termasuk ke dalam kategori besar. Berdasarkan hasil yang telah diperoleh, maka dapat disimpulkan bahwa terdapat pengaruh dari penerapan model pembelajaran kooperatif tipe STAD dengan Pendekatan PMR terhadap kemampuan pemecahan masalah matematis siswa SMP Negeri 232 Jakarta. Kata kunci: Model Pembelajaran Kooperatif, Student Teams Achievement Division (STAD), Pendekatan Pendidikan Matematika Realistik (PMR), Kemampuan Pemecahan Masalah Matematis. ***** This study aims to determine the effect of Student Teams Achievement Division (STAD) cooperative learning model assisted with Realistic Mathematics Education Approach on students’ mathematical problem solving ability. The method used is quasi experiment method with posttest only control group design. The sampling tehnique used was Cluster Random Sampling. The research samples were IX-6 and IX-7 grade students at SMP Negeri 232 Jakarta. Students’ mathematical problem solving ability were measured using research instrument, namely 4 descripstion questions on probability material that have been valid and reliable. The instrument was declared valid through content validity, contruct validity, and empirical validity tests. Reliability calculations were carried out using the Alpa Cronbach formula and obtained a reliability coefficient of 0,708 which is included in the high category. The results of hyphotesis testing using t-test with a significance level of α=0,05 obtained that the value of t_value=2,494 and t_table=1,669, then H_0 is rejected which means that the average mathematical problem solving ability of students with STAD-type cooperative learning model assisted with PMR Approach was higher than students with conventional learning model. The Cohen’s Effect Size value obtained is 0,614 with a percentage of 73% which is included ini the large category. Based on the results that have been obtained, it can be concluded that there is an effect of the application of STAD-type cooperative learning model assisted with PMR Approach on the mathematical problem solving abilities of SMPN 232 Jakarta students. Keywords: Cooperative Learning Model, Student Teams Achievement Division (STAD), Realistic Mathematics Education Approach, Mathematical Problem Solving Ability *****
Item Type: | Thesis (Sarjana) |
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Additional Information: | 1). Prof. Dr. Wardani Rahayu, M.Si. 2). Dr. Flavia Aurelia Hidajat, S.Pd., M.Pd. |
Subjects: | Pendidikan > Penelitian Tindakan Kelas > Metode Belajar Mengajar Pendidikan > Penelitian Tindakan Kelas > Pendidikan Dasar dan Menengah |
Divisions: | FMIPA > S1 Pendidikan Matematika |
Depositing User: | Retiana Rizkia . |
Date Deposited: | 08 Aug 2025 03:21 |
Last Modified: | 08 Aug 2025 03:21 |
URI: | http://repository.unj.ac.id/id/eprint/58629 |
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