scholarly journals Kemampuan Siswa dalam Pemecahan Masalah Matematika dengan Strategi Heuristik

Sepren ◽  
2020 ◽  
Vol 1 (02) ◽  
pp. 28-33
Author(s):  
Hardi Tambunan

The purpose of this study is to describe the ability of students in solving mathematical problems after learning with heuristic strategies. This quasi-experimental study uses a randomize control group pretest-posttest design. The experimental group is a group of students who are taught with heuristic strategies, and the control group is students who are taught with conventional approaches. The population is 280 high school grade X students. Samples n = 74 for the experimental class, and n = 72 for the control class were taken through cluster random sampling. Based on data analysis through analysis of covariant, the results obtained that learning with heuristic strategies are better than conventional approaches to students' ability to solve mathematical problems.

2019 ◽  
Author(s):  
Nur Tsalits Fahman Mughni

Teaching materials by integrating local culture makes easier for students to understand the subject matter in the learning process. The aims of the study is to measure the effectiveness of teaching materials based on local wisdom of agriculture in Binjai in improving the students problem solving abilities. The research method was a quasi experimental which use non equivalent control group in the pretest posttest design. The sample of study were students of Senior High School grade X in Binjai that consisted of experiment group which used teaching materials based on local wisdom of agriculture in Binjai and control group that used student handbooks. Teaching materials are tested by material experts and technology experts to ensure the quality of teaching materials. Data collection was conducted through test. The results showed that the teaching materials based on local wisdom of agriculture in Binjai effective in improving students problem solving abilities in the experimental group students based on the results of N gain value was 0.67 which has medium criteria. It means teaching materials based on agricultural local wisdom of agriculture in Binjai can be used as one of the teaching materials in learning activities.


Author(s):  
Nurul Laili

Penelitian ini bertujuan untuk mengetahui pengaruh model pembelajaran penemuan terbimbing berbantu LKPD terhadap kemampuan pemahaman konsep matematis siswa SMPN 6 Depok pada semester genap tahun ajaran 2017-2018. Penelitian ini merupakan penelitian kuantitatif menggunakan metode penelitian jenis quasi experimental dengan the nonequivalent posttest only control group. Teknik pengambilan sampel yang digunakan adalah metode cluster random sampling. Instrumen penelitian berupa soal uraian sebanyak 9 butir, dari hasil perhitungan uji validitas, uji reliabilitas, uji tingkat kesukaran dan uji daya pembeda. Uji prasayarat yang dilakukan yaitu uji normalitas dan homogenitas diperoleh hasil data yang berdistribusi normal dan homogen. Uji hipotesis menggunakan uji-t kemudian diperoleh thitung = 2,6053 > 1,6690 = ttabel   mengakibatkan tolak  pada taraf signifikasi 5% dengan effect size sebesar 0,5807 yang tergolong sedang. Disimpulkan bahwa terdapat pengaruh model pembelajaran penemuan terbimbing berbantu LKPD terhadap kemampuan pemahaman konsep matematis siswa SMPN 6 Depok.


2020 ◽  
Vol 6 (2) ◽  
Author(s):  
Davi Sofyan

The purpose of this study was to determine how much influence the cooperative learning model type student team's achievement division has on basketball shoot lay-up skills. The research method used in this research is a quasi-experimental method. The type of research design used was the non-equivalent group design. The population in this study were students of class XI SMA Negeri 1 Majalengka in 2019 totaling 424 students. The sampling technique used in this study was cluster random sampling technique. The sample in this study amounted to 214 students consisting of class XI IPS 1-4 and XI MIPA 7-8. The experimental group class XI IPS 1-2 and XI MIPA, control group class XI IPS 3-4 and XI MIPA 8. The results showed that the mean pre-test lay-up shoot of the experimental group was 4.09 while the control group was 3.92. The mean post-test shoot lay-up of the experimental group was 6.76 while the control group was 4.72. Furthermore, by looking at 95% confidence interval of the difference, there is a difference between the shoot lay-up results of the experimental group and the control group, which is -0.190 to 2.412. Thus, it can be concluded that STAD is effective in improving basketball shoot lay-up skills.


FONDATIA ◽  
2019 ◽  
Vol 3 (2) ◽  
pp. 74-88
Author(s):  
Sulhiah Sulhiah

The research uses factorial design, aims to find out the effect of discovery method on the analogy achievement and mathematical generalization of students of SMKN 1 Sakra. The population of this study was all students of SMKN 1 Sakra, and the research sample was taken using the Cluster Random Sampling technique, namely by looking for class XII students, two classes to be sampled. This study consisted of two groups, namely learning the discovery method and the expository method. Class XII.A was made as an experimental group, while class XII.B was made as a control group. Each class consists of 36 students who are divided into three different abilities of students, namely high achievers, medium achievers and low grade students. Research data were collected through tests, questionnaires, observations and interviews. The results of this study are an increase in the ability of mathematical analogies of students who obtain learning using the discovery method better than students who obtain the expository method.


2018 ◽  
Vol 7 (1) ◽  
pp. 23
Author(s):  
Muslimah Muslimah ◽  
Kasmudin Mustapa ◽  
Ratman Ratman

This research describes the differences of student’s learning with the application of cooperative learning type make a match in the electrolyte and non-electrolyte at the X grade student’s of the Madrasah Aliya DDI Lonja. This research used quasi experimental with non randomized pretest-posttest control group design. This research was conducted with two groups: XA as the experimental (n=21) XB as the control group (n=18). The data findings means score of experimental group (X1) is 70,5 with the standard deviation 9,6 and the control group (X2) is 62.0 with the standard deviation is 6. Based on the results, the researcher concludes cooperative learning type make a match has better than control class that used conventional learning model.


2020 ◽  
Vol 3 (1) ◽  
pp. 15-27
Author(s):  
I Wayan Widiana ◽  
I Made Suarjana

This study was aimed at determining the differences in the dimensions of cognitive processes between groups of students who are taught with project-based trying learning activities and groups of students who are taught with conventional learning activities. This research is a quasi-experimental study with a post-test only control group design. The population of this study was the fifth-grade students of the 2016/2017 academic year in the Curriculum 2013 Elementary School in Buleleng Regency, which amounted to 326 students. The samples were taken by cluster random sampling which amounted to 60 students. The data collected in this study were the results of the dimensions of cognitive processes by using 20 multiple-choice tests and 5 item essays on the ecosystem theme. The hypothesis was tested using inferential t-test statistics. The results show that there are significant differences in the dimensions of cognitive processes between groups of students who were taught with project-based trying activities and groups of students who were taught using conventional learning activities. The optimizing project-based trying activities has a positive effect on the dimensions of students' cognitive processes.PENGOPTIMALAN AKTIVITAS MENCOBA DENGAN BERBASIS PROYEK UNTUK MENINGKATKAN DIMENSI PROSES KOGNITIF SISWAPenelitian ini bertujuan untuk mengetahui perbedaan dimensi proses kognitif antara kelompok siswa yang dibelajarkan dengan aktivitas pembelajaran mencoba berbasis proyek dan kelompok siswa yang dibelajarkan dengan aktivitas pembelajaran konvensional. Penelitian ini merupakan penelitian quasi eksperimen dengan rancangan penelitian post test only control group design. Populasi dari penelitian ini adalah siswa kelas V Tahun Pelajaran 2016/2017 di SD rintisan Kurikulum 2013 Kabupaten Buleleng yang berjumlah 326 orang. Sampel diambil dengan cara cluster?random sampling yang berjumlah 60 orang. Data yang dikumpulkan dalam penelitian ini adalah hasil dimensi proses kognitif dengan menggunakan tes pilihan ganda sebanyak 20 butir dan esai 5 butir soal pada tema ekosistem. Hipotesis diuji dengan menggunakan statistik inferensial t-test. Hasil penelitian menunjukkan bahwa terdapat perbedaan yang signifikan pada dimensi proses kognitif antara kelompok siswa yang dibelajarkan dengan aktivitas pembelajaran mencoba berbasis proyek dan kelompok siswa yang dibelajarkan dengan aktivitas pembelajaran konvensional Pengoptimalan aktivitas mencoba berbasis proyek berpengaruh positif terhadap dimensi proses kognitif siswa.


2020 ◽  
Vol 1 (1) ◽  
pp. 47-52
Author(s):  
Beni Junedi ◽  
Ade Susanti

The research aims to find out the students' mathematical understanding using situation-based learning model students of class X IPA, the type of research used is quasi-experimental design research, taking class X IPA 3 as an experimental class and class X IPA 2 as a control class. The technique used in this sampling is cluster random sampling. Research instruments in the form of tests to determine the level of mathematical understanding of students. The data obtained will be analyzed with the hypothesis test t-test. Hypothesis test results obtained a significant value <0.05 which is 0.049 <0.05. Based on these results it was concluded to reject H0 and accept Ha. This means the average student's mathematical understanding ability using the Situation-Based Learning model is better than the average student's mathematical understanding ability using conventional learning.


2021 ◽  
Vol 5 (1) ◽  
pp. 274-285
Author(s):  
Febby Ayuni Esya Putri ◽  
Syaiful Syaiful ◽  
Jodion Siburian

Peneliti melakukan penelitian ini dengan tujuan untuk melihat apakah terdapat pengaruh pembelajaran online inquiry dan PBL serta kemampun awal siswa terhadap kemampuan berpikir kritisnya, dan untuk melihat interaksi antara penerapan pembelajaran online inquiry dan PBL serta kemampuan awal siswa terhadap kemampuan berpikir kritisnya. Penelitian ini menggunakan desain quasi experimental nonequivalent control group design, dilakukan di kelas VIII SMP Negeri 7 Kota Jambi dengan menggunakan 3 kelas, yakni 2 kelas eksperimen dan 1 kelas kontrol yang dipilih dengan metode cluster random sampling, yakni dari 32 siswa pada masing-masing kelas, dipilih 27% siswa berkemampuan awal tinggi ( siswa), 27% siswa berkemampuan awal rendah ( siswa), dan sisanya berkemampuan awal sedang ( siswa). Hasil penelitian diuji dengan ANOVA dua arah, menunjukkan terdapat pengaruh pembelajaran online inquiry dan PBL serta kemampun awal siswa terhadap kemampuan berpikir kritisnya (Nilai signifikansi < 0.05), namun tidak terdapat interaksi antara penerapan pembelajaran online inquiry dan PBL serta kemampuan awal siswa terhadap kemampuan berpikir kritis siswa (Nilai signifikansi > 0.05).  Hal ini dikarenakan faktor lain seperti beberapa siswa yang tidak menghidupkan mode video pada Zoom, sehingga guru tidak bisa memantau apa yang siswa tersebut lakukan selama pembelajaran.


2020 ◽  
Vol 15 (1) ◽  
pp. 67-73
Author(s):  
Alvin Himawan ◽  
Siti Fitriana ◽  
Farikha Wahyu Lestari

Penelitian ini dilatar belakangi oleh siswa yang sering membawa handphone ke sekolah digunakan untuk media untuk mencontek, bermain game pada saat pelajaran, dan bermain media sosial pada saat jam pelajaran sehinggi mengakibatkan terhambatnya proses belajar mengajar yang sedang berlangsung. Permasalahan yang dikaji dalam penelitian adalah apakah bimbingan klasikal dengan metode jigsaw terhadap kontrol diri siswa dalam pengunaan handphone di sekolah?. Jenis penelitian ini adalah penelitian kuantitatif desain quasi experimental bentuk nonequivalent control group design dengan model pre-test post-test control group design.. Populasi penelitian adalah siswa kelas IX SMP Negeri 7 Pemalang. Sampling yang digunakan dalam penelitian ini adalah cluster random sampling. Teknik analisis data yang digunakan yakni analisis presentase dengan Uji t (t-test). Hasil analisis skala kontrol diri dalam penggunaan handphone pada kelompok eksperimen dengan menggunakan uji-t hasil post-test menunjukan rata-rata kelompok eksperimen sebesar 83,67 dan kelompok kontrol 77,2. Sehingga terjadi peningkatan rata-rata pada kelompok eksperimen sebesar 10,5. Pada penghitungan uji-t diperoleh hasil thitung (3,11) > ttabel (2,000), maka hipotesis kerja (Ha) diterima dan hipotesis nihil (Ho) ditolak. Disimpulkan bahwa bimbingan klasikal dengan metode jigsaw berpengaruh terhadap kontrol diri siswa dalam penggunaan handphone kelas IX SMP Negeri 7 Pemalang.


2019 ◽  
Vol 10 (1) ◽  
pp. 52
Author(s):  
Arie Purwa Kusuma ◽  
Irma Susanty

AbstractThe aim of the research was to find out the effect of learning models on mathematics achievement. The learning model compared were NHT(Numbered Head Together), snowball throwing and convensional. The type of the research was a quasi-experimental by 3×1 factorial design. The population was the eight grade student of junior high school in Cibinong district on academic year 2017/2018. The sampling tecnique was cluster random sampling. The size of the sampel was 103 students consisted of 36 students in the first experimental group, 34  students in the second experimental group and 33 students in third experimental group. The instruments used were mathematics achievement test. The data was analyzed using unbalanced one-way analysis of variance. The conclusions of the research was NHT learning model gives better mathematics achievement than Snowball Throwing and convensional learning model, and snowball throwing learning model give better mathematics achievement than convensional learning model.Keywords: NHT, Snowball throwing, mathematics achievement


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