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Nanang Supriadi
Universitas Islam Negeri Raden Intan Lampung
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Analisis Hubungan Self-Efficacy dan Representasi Matematis terhadap Pemecahan Masalah Matematis Supriadi, Nanang; Sari, Anggun Lupita; JL, Ana Risqa
PYTHAGORAS Jurnal Pendidikan Matematika Vol 18, No 2: December 2023
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/pythagoras.v18i2.64588

Abstract

Pemecahan masalah merupakan hal dasar yang seharusnya dimiliki siswa, terutama dalam mempelajari matematika, jika pemecahan masalah yang dimiliki baik maka kemampuan matematika nya juga akan baik. Penelitian ini memiliki  tujuan untuk mengetahui hubungan langsung maupun tidak langsung antara self-efficacy, dan representasi matematis terhadap pemecahan masalah matematis siswa. Penelitian ini menggunakan pendekatan kuantitatif dengan jenis penelitian ex post facto. Populasi dalam penelitian ini seluruh siswa SMP Negeri di Kebupaten Pesawaran Provinsi Lampung. Teknik pengambilan sampel yang digunakan yaitu stratified random sampling jumlah strata sebanyak 3 dan untuk masing-masing strata berjumlah 24, 30 dan 26 siswa, kemudian dengan menggunakan rumus slovin maka diperoleh jumlah sampel sebanyak 60 siswa. Instrumen yang digunakan dalam pengumpulan data berupa angket self-efficacy serta tes kemampuan pemecahan masalah matematis dan representasi matematis. Hasil dari penelitian ini menunjukkan bahwa terdapat hubungan langsung positif dan signifikan antara self-efficacy terhadap representasi matematis, serta representasi matematis  dan self-efficacy terhadap pemecahan masalah matematis, juga representasi matematis secara signifikan memediasi hubungan tidak langsung antara self-efficacy terhadap pemecahan masalah matematis. Problem-solving is a basic thing that students should have, especially in mathematics lessons, if the problem-solving they have is good then their math skills will also be good. This study aims to determine the direct or indirect relationship between self-efficacy and mathematical representation of students' mathematical problem-solving. This study uses a quantitative approach to the type of research ex post facto. The population in this study were all-state junior high school students in Pesawaran District, Lampung Province. The Slovin formula was used to determine the number of samples, a sample of 60 students was obtained and the sampling technique used was stratified random sampling. The instruments used in data collection were self-efficacy questionnaires and tests of mathematical problem-solving abilities and mathematical representations. The results of this study indicate that there is a direct relationship between self-efficacy on mathematical representations, as well as mathematical representations and self-efficacy on solving mathematical problems. Mathematical representations also significantly mediate the indirect relationship between self-efficacy on mathematical problem-solving.
PENGARUH MODEL PEMBELAJARAN CONTEXTUAL TEACHING AND LEARNING TERHADAP AKTIVITAS DAN HASIL BELAJAR MATA PELAJARAN PAI Oktaria, Risa; Supriadi, Nanang; Anggoro, Bambang Sri
AT-TAJDID Vol 8, No 1 (2024): JANUARI-JUNI 2024
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/att.v8i1.3336

Abstract

Water Resources Management at Raden Intan Islamic State University, Indonesia Jamaluddin, Wan; Pawhestri, Suci Wulan; Supriadi, Nanang; Budiwiranto, Bambang
Journal of Sustainability Perspectives Vol 3: Special Issue 2023
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsp.2023.20851

Abstract

UIN Raden Intan Lampung is an Islamic university located at the southernmost tip of Sumatra. The area receives a rainfall ranging between 77-317 mm3 in 2022, and this rainfall must be harnessed and conserved as water reserves for daily needs. The university has a total area of 45 hectares, and it is home to a population of 34,482 individuals. The soil texture in the UIN Raden Intan Lampung campus area is predominantly clay, and the dense soil particles make it challenging to absorb water. Consequently, measures are required to regulate soil moisture levels to facilitate optimal water absorption. One strategy to preserve the water supply on campus is the construction of artificial ponds that capture rainwater. Ten such ponds have been built, covering 21.54% of the total green open space owned. Furthermore, around 8,000 biopore infiltration holes have been installed to maintain groundwater availability and improve soil fertility. The campus also conducts campaigns to promote water conservation and uses water-saving equipment technology. Treated wastewater from ablution activities in mosques is employed for secondary needs such as fish farming activities and irrigation. Ultimately, the preservation of water resources on campus must be sustainable, given the large population of people who depend on water for their daily needs, and ensuring water availability for the future is critical.
The Influence of Using Instagram Social Media on the Morals and Achievement of Students at SMP Negeri 1 Bandar Lampung Tina Fitriani; Imam Syafe’I; Nanang Supriadi
Bulletin of Science Education Vol. 4 No. 1 (2024): Bulletin of Science Education
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/bse.v4i1.1312

Abstract

This research reveals the impact of using Instagram social media on the morals and achievement of students at SMP Negeri 1 Bandar Lampung. A quantitative survey method was used with a population of 1012 students, and a sample of 91 respondents was selected using proportionate stratified random sampling technique. The results of data analysis using SPSS 16.0 show that the use of Instagram has a significant negative influence on student morals by 12%, which is influenced by the potential for cyberbullying and content that does not comply with ethical values. The use of Instagram also has a negative impact on student learning achievement by 5.5%, caused by impaired concentration and negative social-emotional influences. However, good morals make a positive contribution of 12.3% to student learning achievement, indicating that high discipline and learning motivation can improve academic results. The practical implication is the need for moral education and parental supervision to direct positive social media use for students.  
Water Resources Management at Raden Intan Islamic State University, Indonesia Jamaluddin, Wan; Pawhestri, Suci Wulan; Supriadi, Nanang; Budiwiranto, Bambang
Journal of Sustainability Perspectives Vol 3: Special Issue 2023
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsp.2023.20851

Abstract

UIN Raden Intan Lampung is an Islamic university located at the southernmost tip of Sumatra. The area receives a rainfall ranging between 77-317 mm3 in 2022, and this rainfall must be harnessed and conserved as water reserves for daily needs. The university has a total area of 45 hectares, and it is home to a population of 34,482 individuals. The soil texture in the UIN Raden Intan Lampung campus area is predominantly clay, and the dense soil particles make it challenging to absorb water. Consequently, measures are required to regulate soil moisture levels to facilitate optimal water absorption. One strategy to preserve the water supply on campus is the construction of artificial ponds that capture rainwater. Ten such ponds have been built, covering 21.54% of the total green open space owned. Furthermore, around 8,000 biopore infiltration holes have been installed to maintain groundwater availability and improve soil fertility. The campus also conducts campaigns to promote water conservation and uses water-saving equipment technology. Treated wastewater from ablution activities in mosques is employed for secondary needs such as fish farming activities and irrigation. Ultimately, the preservation of water resources on campus must be sustainable, given the large population of people who depend on water for their daily needs, and ensuring water availability for the future is critical.
Mathematical creative thinking ability in online learning during the Covid-19 Pandemic: A systematic review Suherman, Suherman; Komarudin, Komarudin; Supriadi, Nanang
Online Learning In Educational Research (OLER) Vol 1, No 2 (2021): Online Learning in Educational Research
Publisher : CV FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (310.899 KB) | DOI: 10.58524/oler.v1i2.49

Abstract

As a result of the increased focus on creative mathematical thinking in mathematics education during the covid-19 pandemic, there has been an increase in the need to investigate how to assess mathematical creative thinking skills in online learning environments. As a result, a systematic review was carried out to determine how mathematical creative thinking has been evaluated in the literature. We examined 124 journal articles from SCOPUS, ELSEVIER, WoS, ERIC, and SAGE to analyze specific MCT assessments from four perspectives: assessment of the familiar mathematics context, an indicator of measurement test, assessment of the unfamiliar mathematics context, and measurement test. We discovered that (a) the most familiar mathematics context for assessing mathematical creative thinking is based on students' curriculum according to their class level, and (b) indicators for assessing mathematical creative thinking frequently used open-ended questions to gather information. During this systematic review, we identified research gaps and potential future research topics to conceptualize and assess mathematical creative thinking skills while participating in online learning activities. Researchers and teachers are expected to benefit from the findings, which will aid them in determining the most effective method of teaching and assessing mathematical creative thinking
Model ISSETCM2 dan Disposisi Matematis: Dampak terhadap Pemahaman Konsep Supriadi, Nanang; Yuniar, Devvi Mila; Pratiwi, Dona Dinda
Jurnal Pendidikan Matematika Vol. 15 No. 2 (2024): July 2024
Publisher : Jurusan Pendidikan Matematika FKIP Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36709/jpm.v15i2.165

Abstract

Kesulitan menguasai pemahaman konsep matematis untuk memecahkan masalah dan kurangnya kesadaran serta dorongan untuk belajar matematika mengakibatkan kepercayaan diri peserta didik rendah dalam pembelajaran. Peserta didik juga cenderung terpaku dengan apa yang diajarkan dan belum dapat memahami konsep yang sebenarnya dalam pembelajaran matematika. Penelitian ini bertujuan untuk mengetahui  terdapat pengaruh model pembelajaran ISSETCM2 dan disposisi matematis terhadap kemampuan pemahaman konsep. Penelitian ini dilakukan pada siswa sekolah menengah pertama  di Kabupaten Lampung Timur. Rancangan penelitian yang digunakan adalah Quasi Eksperimen Design, dimana pada penelitian ini dilakukan dengan mengambil dua kelas dengan total peserta didik sebanyak 50 peserta didik yang penentuannya dilakukan dengan cara cluster random sampling. Data dikumpulkan dengan teknik pengisian angket disposisi matematis dan tes kemampuan pemahaman konsep dalam bentuk soal uraian. Analisis data menggunakan uji ANCOVA dengan terlebih dahulu melakukan uji prasyarat normalitas, homogenitas, homogenitas koefisien regresi linier dan uji linearitas regresi. Kesimpulan dari hasil penelitian ini menunjukkan bahwa terdapat pengaruh lebih baik model pembelajaran ISSETCM2 dibandingkan model ekspositori dan disposisi matematis terhadap kemampuan pemahaman konsep siswa baik secara parsial maupun simultan.
Systematic literature review on the recent three-year trend mathematical representation ability in scopus database Rizki Wahyu Yunian Putra; Sunyono Sunyono; Een Yayah Haenilah; Hasan Hariri; Sugeng Sutiarso; Nurhanurawati Nurhanurawati; Nanang Supriadi
Jurnal Infinity Vol 12 No 2 (2023): VOLUME 12, NUMBER 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v12i2.p243-260

Abstract

Mathematical representation is essential as the gateway to mastering mathematical literacy. This literature study aims to determine the growth of students' mathematical representation abilities in the last three years. This literature study presents a literature review on the development of mathematical representations, including media, strategies, and measurement instruments to serve as the basis for future mathematical representations. The literature study method used is the SLR (Systematic Literature Review), utilizing a review procedure that refers to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) framework in the period 2020 to 2022 because the growth in literature studies on mathematical representations is very significant and latest. Data were collected by reviewing 24 Scopus-indexed articles and proceedings from the Scopus database. The study's results reveal that from the 24 selected literature, it can be interpreted if the mathematical representation ability can be improved and fulfills the indicators of mathematical representation itself by providing innovation in media, strategies, and instruments in learning mathematics. The innovations provided can be in the form of technology integration (Geogebra), no longer conventional strategies (RME strategy), and instrument indicators of the representation itself. Thus the ability of students' mathematical representations is no longer included in the low category in solving mathematical problems.
PENGARUH MODEL PEMBELAJARAN CONTEXTUAL TEACHING AND LEARNING TERHADAP AKTIVITAS DAN HASIL BELAJAR MATA PELAJARAN PAI Risa Oktaria; Nanang Supriadi; Bambang Sri Anggoro
AT-TAJDID Vol 8, No 1 (2024): JANUARI-JUNI 2024
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/att.v8i1.3336

Abstract

Model HLT dan Disposisi Matematis: Dampak Terhadap Kemampuan Pemecahan Masalah Matematis Siswa Alhaq, Arini; Supriadi, Nanang; Anindhita, Wike; JL, Ana Risqa; Dewi, Novian Riskiana
Indo-MathEdu Intellectuals Journal Vol. 5 No. 6 (2024): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v5i6.2430

Abstract

The ability that can support success in the learning process and can solve various mathematical problems is the ability to solve mathematical problems. This research is related to quantitative research which examines students' mathematical problem solving abilities using the HLT model and mathematical disposition as covariate variables. This research aims to determine the effect of the HLT model on mathematical problem solving abilities by controlling students' mathematical dispositions, and the influence of mathematical dispositions on students' mathematical problem solving abilities, as well as the simultaneous influence of the HLT model and mathematical disposition on students' mathematical problem solving abilities. 70 junior high school students using cluster random sampling, where 35 students studied using the HLT model and 35 students studied using the direct instruction model. The tools used to collect data are a mathematical disposition questionnaire and a description test of mathematical problem solving abilities. This data analysis uses analysis of covariance (one-way ANCOVA). The results of the hypothesis test show that there is an influence of the mathematical disposition covariate variable by controlling students' mathematical disposition and there is an influence of the mathematical disposition covariate variable on students' mathematical problem solving abilities, and there is a simultaneous influence of the HLT model and mathematical disposition on students' mathematical problem solving abilities
Co-Authors A.A. Ketut Agung Cahyawan W Achi Rinaldi Adib, Muhammad Agus Pahrudin Akbar Handoko Amanda Diah Pangestika Amiruddin Amiruddin Ana Risqa JL Andini, Dita Anindhita, Wike Anna Fajriyah Annida Luthfia Putri Aprilia, Eka Arini Alhaq Astriana Putri Bambang Budiwiranto Bambang Sri Anggoro Bella Dwi Lestari Christina Khaidir Christina Khaidir Delviana, Desti Desi Vitona Dewi, Eva Sima Dewi, Wiwik Sulistiana Dewi, Wiwik Sulistiana Dian Anggraini Djaffar Lessy Dona Dinda Pratiwi Een Yayah Haenilah Eka Aprilia Elny Yulinda Sarai Ependi, Asip Eti Hadiati Eva Sima Dewi Faisyal, Intan Dyra Shari Fani Sisco Predi Farida Farida Farida, Farida Fitriani Fitriani Fitriani Fitriani Fraulein Intan Suri Fredi Ganda Putra Gumanti, Agung Akbar Maden Gunawan, Syahrul Hani Nastiti Tantika Hanifah Hanifah Hariri, Hasan Harum Yeni Rachmah, Harum Yeni Iip Sugiharta Imam Syafe’I Indah Resti Ayuni Suri Indrawan Al Ikhsan Indri Yulianti Iwan Kuswidi Jamaluddin, Wan Kartika Ramadona KOMARUDIN Laila Puspita Laila Puspita, Laila Laswadi Laswadi Lekok Melya Lestari, Bella Dwi Lesyani, Rizsa Lingga Afriansyah Mardani Lintang Fitra Utami Lutfiatul Khofifah M. Sayid Wijaya Maharani, Maghfira Maharani, Maghfira Mardani, Lingga Afriansyah Melya, Lekok Melya, Lekok Muhamad Syazali Muhammad Sholeh Muhammad Syazali Mujib Mujib, Mujib Murtadho , Ali Muthiah Miftahul Jannah Nadya Amalia Juana Nia Agustiana Ningrum, Septia Nirva Diana Novian Riskiana Dewi Noviana, Dewi Nur Fitri Lestari Nurhanurawati Nurhanurawati Nurlaila Sehuwaky Oktaria, Risa Pangestika, Amanda Diah Pangestika, Amanda Diah Pramodana, Dimas Raba PRIMAYEKTI, RIZKY Putri Oktaviana Rahmah, Fadila Ramadona, Kartika Rani Damayanti Rani Damayanti, Rani Rany Widyastuti Rany Widyastuti RIADDIN, DINAR Rifa Fahrullisa Risa Oktaria Riyama Ambarwati Rizki Wahyu Yunian Putra Ruchimat Haslan Santi Widyawati Sapta Desty Sugiharti Sari, Anggun Lupita Sari, Filian Yunita Septia Ningrum Septuri Silvi Anisa Siska Andriani Siti Hasanah Sri Purwanti Nasution, Sri Purwanti Suci Wulan Pawhestri Sugeng Sutiarso Suherman Suherman Suherman Suherman Suherman Suherman, Suherman Sunarto Sunarto Sunyono - - Syarif Maulidin Taat Herliana Tina Fitriani Wahyana, Rosi Wan Jalamuddin Z Wan Jamaluddin Z Wawan Gunawan Widiyastuti, Rany Widiyastuti, Rany Yuliana, Irma Yuliani, Endah Yuniar, Devvi Mila Yustika Fatimatuz Zahra Zahra, Yustika Fatimatuz