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Dewi Astuti
Pendidikan Guru PAUD FKIP Univ. Muhammadiyah Purwokerto
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Journal : JOURNAL OF SCIENCE AND SOCIAL RESEARCH

 1 
PENGARUH MODEL TREFFINGER BERBANTUAN WEB LIVEWORKSHEET TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA DI UPTD SMP NEGERI 1 KISARAN Silaen, Nova Eliza; Astuti, Dewi
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol 8, No 1 (2025): February 2025
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v8i1.2737

Abstract

Abstract: The aim of this research is to determine the effect of the Treffinger model assisted by a web live worksheet on the mathematical problem solving abilities of class VIII UPTD students at SMP Negeri 1 Kisaran for the 2023/2024 academic year. This research is experimental research with a Pretest-Posttest Control Group Design research design. The population in this study were all class VIII students at UPTD SMP Negeri 1 Kisaran. Two classes were selected using purposive sampling to be used as research samples. Class VIII-1 as an experimental class is taught using the Treffinger model with the help of a web live worksheet, while class VIII-2 is a control class taught using a direct learning model. The data obtained in this research were in the form of students' mathematical problem solving ability scores which were analyzed using the t-test. Based on the data obtained on students' mathematical problem solving abilities, it is known that the average value of experimental class students' mathematical problem solving abilities is 83.67, which is greater than that of the control class, 73.67. From the results of the hypothesis test calculations, it is obtained that t_count>t_table is 4.94 > 1.67, so H_0 is rejected and H_1 is accepted. Based on the results of data analysis, it was found that there was an influence of the Treffinger model assisted by web live worksheet on students' mathematical problem solving abilities at UPTD SMP Negeri 1 Kisaran. Keywords: Treffinger Model; Web Liveworksheet; Mathematical Problem Solving Ability Abstrak: Tujuan penelitian ini  adalah untuk mengetahui pengaruh model Treffinger berbantuan web liveworksheet terhadap kemampuan pemecahan masalah matematis siswa  kelas VIII UPTD SMP Negeri 1 Kisaran tahun ajaran 2023/2024. Penelitian ini merupakan penelitian eksperimen dengan desain penelitian Pretest-Posttest Control Group Design. Populasi dalam penelitian ini adalah seluruh siswa kelas  VIII di UPTD SMP Negeri 1 Kisaran. Dua kelas dipilih secara purposive sampling untuk dijadikan sampel penelitian. Kelas VIII-1 sebagai kelas eksperimen yang diajarkan dengan menerapkan model Treffinger berbantuan web liveworksheet sedangkan kelas VIII-2 kelas kontrol diajarkan dengan model pembelajaran langsung. Data yang diperoleh dalam penelitian ini berupa skor kemampuan pemecahan masalah matematis siswa yang dianalisis dengan uji-t. Berdasarkan data kemampuan pemecahan masalah matematis siswa yang telah diperoleh, diketahui bahwa rata-rata nilai kemampuan pemecahan masalah matematis siswa kelas eksperimen sebesar 83,67 lebih besar dari kelas kontrol 73,67. Dari hasil perhitungan uji hipotesis diperoleh t_hitung>t_tabel yaitu  sebesar 4,94 > 1,67 maka H_0 ditolak dan H_1 diterima. Berdasarkan hasil analisis data diperoleh bahwa ada pengaruh model  Treffinger berbantuan web liveworksheet terhadap kemampuan pemecahan masalah matematis siswa di UPTD SMP Negeri 1 Kisaran. Kata kunci: Model Treffinger; Web Liveworksheet; Kemampuan Pemecahan Masalah Matematis
PENGARUH MODEL PEMBELAJARAN NHT BERBANTUAN YOUTUBE EDUCATION TERHADAP PEMAHAMAN KONSEP SISWA KELAS X SMA NEGERI 1 AIR JOMAN Silaen, Nova Eliza; Astuti, Dewi
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol 8, No 3 (2025): August 2025
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v8i3.4133

Abstract

Abstract: This study aims to examine the effect of the cooperative learning model Numbered Heads Together (NHT) assisted by YouTube Education on students’ mathematical conceptual understanding in Grade X at SMA Negeri 1 Air Joman. A quantitative approach with a quasi-experimental design was used, involving two groups: an experimental class and a control class. The data were found to be normally distributed and homogeneous. Valid and reliable instruments were used. Results show a significant difference, with the experimental group achieving a higher average score are 17.04 compared to the control group are 11.68 indicating that the NHT model with YouTube support enhances students’ conceptual understanding. Keyword: Numbered Heads Together; YouTube Education; mathematical conceptual understanding. Abstrak: Penelitian ini bertujuan untuk mengetahui pengaruh model pembelajaran kooperatif tipe Numbered Heads Together (NHT) berbantuan aplikasi YouTube Education terhadap pemahaman konsep matematis siswa kelas X di SMA Negeri 1 Air Joman. Metode yang digunakan adalah kuantitatif dengan desain quasi-eksperimental, melibatkan dua kelas sebagai sampel, yaitu kelas eksperimen dan kelas kontrol. Hasil uji validitas dan reliabilitas menunjukkan bahwa instrumen tes yang digunakan layak. Data terdistribusi normal dan homogen. Hasil analisis menunjukkan rata-rata skor pemahaman konsep kelas eksperimen sebesar 17,04 lebih tinggi dibandingkan kelas kontrol sebesar 11,68 yang mengindikasikan adanya pengaruh signifikan dari penerapan model pembelajaran NHT berbantuan YouTube Education terhadap peningkatan pemahaman konsep matematis siswa. Kata kunci: Numbered Heads Together (NHT); YouTube Education; Pemahaman Konsep Matematis.
Co-Authors Agus Muliawan, Agus Agus Salim Salabi Agustin, Eudia Angelia Ika Aini, Marina Alberto Ardiansyah, Alberd Alghifari, Alif Satya Ambarwati , Esti Amni, Diya’ Islamiati Ana Ramadhayanti Anaras, Erin Andi Rosdianti Razak, Andi Rosdianti Anesa Surya Anton Minardi apridasari, esty Aris Hidayat Aritonang, MGS Aryastuti, Nurul Astuti, Jumi Awwaliyah, Razma Rizqiyah Azdillah, Muhammad Rizky Bararah, Zakiyyatul Burhanudin Carrisa, Devira Chairunnisa Chairunnisa Damara, Dio Dara Suryani, Berti Daswati Daswati Desy Ratnasari Dewi Pertiwi DEWI SARTIKA Dewi, Muditya Ratna Dharma Tohjiwa, Agus Dina Dwi Nuryani DWI DAMAYANTI, ARUM Elsandra, Nisa Kamilia Eva Ayu Maharani Fauziah, Muna Franz Ardianto Fuad Afdhal, Ahmad Furi Indriyani Gagoek Hardiman Gustini, Emilia Haryati Haryati Hasibuan, Nurainun Hasrida, Hasrida Hithna Rohadatul Aisyi I Gusti Made Kusnarta Imelda Sari Imtihanah, Ani Nurul Intan Puspita, Gusti Irene Lie Mei Fong, Irene Lie Mei Irina Mildawani Irvan Pamungkas, Mochammad Ismail Ismail Isnani, Fathin Isnaniar Januardi, Azril Jesi Alexander Alim Joko Ariawan Kabri, Kabri Kurnia Sari, Adila Putri L.M, Widya Lady Diana Warpindyastuti Lie, Nie Listina, Febria Liza, Liza Maharani, Eva Ayu Mardianti Mariana Ing Malelak Marthaningrum, Etty Michelle Gunawan, Michelle Moh Salimi Muh. Hanif Munadi Munadi Mylanadia Nadas, Leonardi Naeem, Ayesha Fakhar Nana Supriana Navita, Delly Nawawi Natsir Ni Putu Aryadnyani Niken Herawati Nisa, Thoyibatun Nony Kezia Marchyta Noor Alis Setiyadi Noor Miyono Novita Dewi Iswandari Nunik Wulandari, Nunik Nur Syamsiyah Nurani Sulistyati, Apika Nurul Aziza, Nurul Partono PUJI LESTARI PURWANDARI, KIKI Putri Febryanti, Keysha Elia Putri Lubis, Indriani R Siti Rukayah Rahayu, Enik Rahmawati, Mauli Illah Rasyid, Suparta Ratna Hidayah Ribka Permata Putri Gunawan, Ribka Permata Putri Riskasari Riskasari, Riskasari RITA ANDINI Riyan Ariadi Robbaniyyah, Nuzla Af’idatur Rosyanti, Rosyanti Rukhayah, R. Siti Saeful Rizal, Deni Safitri, Sari Saleleubaja, Junardi Samhudi Samhudi Santoso, Nicholas Adi Sarachehan, Firda Saragih, Eva Margaretha Sari Dewi, Ratna Sari, Devi Wahyu Sari, Diah Mala Sastra, Zidan Pramudya Satriawan, Muhammad setianingrum, Atika Setiawati Setiawati Silaen, Nova Eliza Siregar, Zulkifli Musanip Siti Aisyah Solehudin, Didin Sri Muryati Sri Wahono Saptomo Suherman, Heru Sulaiman Helmi Sumarni . Suningsih, Suningsih Surya, Julia Suryani, Devi Sutirman, Irwan Swandini, Witantri Dwi Syahputra, Rizki Tamaulina Br Sembiring Taufik Taufik TOBING, DEMAK LUMBAN Tri Maryono Rusadi Tuti Alawiyah Uriptiningsih, Ana Lestari Wahyuni Adelana, Meisya Wanto Rivaie Wardani, Putri Amalia Wulandari , Ika Yati, Ida Yopie Kurnia Erista Halim Yovitha Yuliejantiningsih, Yovitha Yusuf Ibrahim Zainnuri, Hasan Zakirah, Awanis Zinnur'ain Zulkhairi Sofyan