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Suherman

Universitas Islam Negeri Raden Intan Lampung

Author-ID : 1996432

Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Nursing Public Health Social Sciences Transportation Other

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PENGEMBANGAN INSTRUMEN PENILAIAN MATEMATIKA BERBASIS HOTS PADA CALON GURU SEKOLAH DASAR Novia Dwi Rahmawati; Komarudin Komarudin; Suherman Suherman
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 11, No 2 (2022)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Penelitian ini bertujuan untuk mengembangkan instrumen penilaian matematika berbasis kemampuan berpikir tingkat tinggi (HOTS) yang valid, reliabel, dan memiliki daya beda dan tingkat kesukaran yang baik. Pengembangan soal mengacu pada model Borg dan Gall. Pengambilan data dilakukan dengan teknik angket dan tes. Instrumen penelitian terdiri dari angket kebutuhan dan tes soal matematika berbasis HOTS. Penelitian ini melibatkan 15 calon guru SD. Hasil analisis data menunjukkan bahwa instrumen penilaian matematika berbasis HOTS memperoleh skor validitas sebesar (kriteria valid), skor reliabelitas sebesar (kriteri valid), skor uji daya beda sebesar (kriteria DB yang baik), dan skor uji tingkat kesukaran sebesar (kriteria tingkat kesukaran sedang). Sehingga telah memenuhi semua kriteria uji instrument tes baik, yaitu valid, reliabel, daya beda yang baik dan tingkat kesukaran sedang. Implikasi hasil penelitian terhadap pembelajaran matematika calon guru sekolah dasar yaitu menjadi salah satu reverensi pedoman dalam mengembangkan instrument penilaian matematika dan dalam mengembangkan kemampuan berpikir tingkat tinggi caloh guru sekolah dasar.This study aims to develop a mathematical assessment instrument based on higher order thinking skills (HOTS) that is valid, reliable, and has good distinguishing power and difficulty level. The development of questions refers to the Borg and Gall models. Data collection was done by using questionnaires and tests. The research instrument consisted of a needs questionnaire and a HOTS-based math test. This study involved 15 prospective elementary school teachers. The results of data analysis showed that the HOTS-based mathematical assessment instrument obtained a validity score of (valid criterion), reliability score of (valid criterion), difference power test score of (good discrimination criteria), and the difficulty level test score is (medium difficulty criteria). So that it has met all the criteria for a good test instrument test, namely valid, reliable, good discriminating power and moderate level of difficulty. The implications of the research results on the mathematics learning of elementary school teacher candidates is to become one of the reference guidelines in developing mathematics assessment instruments and in developing high-level thinking skills for elementary school teachers.

Peningkatan Kemampuan Pemahaman Konsep Himpunan Melalui Pembelajaran Matematika dengan Media Articulate Studio’13 Farida Farida; Suherman Suherman; Sofwan Zulfikar
JSHP : Jurnal Sosial Humaniora dan Pendidikan Vol 3, No 1 (2019): JSHP (Jurnal Sosial Humaniora dan Pendidikan)
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat Politeknik Negeri Balikpapan.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32487/jshp.v3i1.536

The purpose of this study was to produce media products based on articulate Studio'13 in mathematics subjects that were appropriate, interesting and effective in learning. This research is a type of research and development (R & D) by modifying 10 stages into 7 stages, namely; potential and problems, information collection, product design, design validation, design revisions, product trials, and product revisions. Assessment of media feasibility is carried out by material experts and media experts. Assessment and attractiveness of students. The effectiveness of the product is seen as a percentage > 75% of the number of students who passed the KKM. This research resulted in Articulate Studio '13 learning media proven to be valid and feasible to be used as learning media after getting a score of 88.3% from 3 material experts, and a value of 86.1% from 3 media experts. For attractiveness assessments get the criteria "very feasible" based on small-scale trials that get an assessment of 77%, and large-scale trials get a value of 80%. After the final assessment was made it was stated that 79.17% of students passed the KKM than the media was declared effective. So that it can be concluded that the development of learning media has carried out is deemed feasible, interesting, and effective to use in learning.

ALQURAN TEACHING MODEL : THE EFFECT OF PROBLEM SOLVING ABILITY AND GENDER ON MATHEMATICS Suherman Suherman; Ayu Sekarsari Suharno; Istihana Istihana
HUMANISMA : Journal of Gender Studies Vol 3, No 1 (2019): June 2019
Publisher : Universitas Islam Negeri Sjech M. Djamil Djambek Bukittinggi

Mathematical problem solving ability is one of the things that must be owned by students in learning mathematics. Students have low mathematical problem solving abilities caused by difficulties in solving mathematical problems that require logic. The research is aimed to determine the effect of the Alqurun Teaching Model on mathematical and gender problem solving abilities. This research is quantitative research. The population were 264 in eighth grade students of SMPN 17 Bandar Lampung. Sampling technique used by sample random sampling technique. Data analysis techniques used the normality test with Liliefors test and homogeneity test with Barlett test. Hypothesis testing using the two-way cell ANAVA test is not the same. The results showed that there was an influence of the Alqurun Teaching Model (ATM) learning model on mathematical and gender problem solving abilities. The mathematical problem solving abilities of female students are better than male students in the Alqurun Teaching Model learning.

ANALISIS PEMAHAMAN KONSEP MATEMATIS: DAMPAK HABITS OF MIND DENGAN VISUAL THINGKING Ani Listianingsih; Suherman Suherman
Hipotenusa Journal of Research Mathematics Education (HJRME) Vol 5, No 2 (2022): Hipotenusa Journal of Research Mathematics Education (HJRME)
Publisher : Universitas Muhammadiyah Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36269/hjrme.v5i2.798

Low understanding of mathematical concepts in mathematical learning is due to a lack of learning strategies. Therefore, this study aims to analyze the influence of Habits of Mind (HOM) on students' visual thinking in understanding mathematical concepts. Costa and Kallick's 16-category HOM questionnaires were used as research instruments. Data analysis techniques used data reduction, data presentation, and conclusion withdrawal. Based on the results of data analysis, it is known not to have the ability habits of mindfully. The results showed the profile of HOM in the understanding of the mathematics of students with visual thinking is still classified as sufficient criteria. And overall, the average Habits of Mind indicator obtained is 66.61% included in the requirements enough. Students who have Habits of Mind and good visual thinking will more easily understand mathematics. In contrast, Habits of Mind and visual thinking that is not good will be more difficult to understand mathematics.

21ST CENTURY STEM EDUCATION: AN INCREASE IN MATHEMATICAL CRITICAL THINKING SKILLS AND GENDER Suherman Suherman; Komarudin Komarudin; Revani Husain Setiawan
Raheema Vol 9, No 1 (2022)
Publisher : PSGA LP2M IAIN Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24260/raheema.v9i1.1585

Enhancing the mathematical critical thinking ability in the 21st century is STEM learning. The research aims to see the mathematical skills of critical thinking between genders using STEM learning. The research method uses a quasi-experiment design 2 x 2 factorial design designs with a simple random sampling technique. Data collection techniques use a test method to see the results of the mathematical critical thinking skills of learners. Test analysis is conducted with the normality test and homogeneity testing, and the hypothesis of using two paths Anava. The research results are: (1) There are differences of STEM and conventional learning to the mathematical critical thinking skills as well as the use of STEM learning more effectively than conventional (2) there is a difference in the results of the mathematical critical thinking ability between male and female learners and the ability of the critical thinking skills of female learners to be higher than men.

Pengaruh Perbedaan Jumlah Katalis terhadap Angka Yield pada Proses Pembuatan Biodiesel dari Minyak Goreng Sisa Menggunakan Pemanas Double Jacket Suherman, Suherman; abdullah, ilmi; Sabri, Muhammad; Silitonga, Arridina Susan; Suroso, Bekti
Jurnal Rekayasa Mesin Vol 17, No 1 (2022): Volume 17, Nomor 1, April 2022
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v17i1.3148

Biodiesel is biodegradable and non-toxic and has a low carbon content, high lubricity, and Biodiesel is biodegradable and non-toxic and has a low carbon content, high lubricity, and higher ash point than diesel. The purpose of this study was to obtain data on the physicochemical properties of biodiesel from waste cooking oil (WCO) produced with different amounts of catalyst in the transesterification process. Methods This research carried out a two-step process: (1) esterification with an acid catalyst (H2SO4) and (2) transesterification with an alkali catalyst (KOH). The remaining frying oil is degummed by adding 2% H3PO4. Furthermore, the esterification process was carried out by adding 2% (v/v) H2SO4 at 800 rpm for 90 minutes. The transesterification process using an alkaline catalyst (KOH) was varied from 0.7-1.5% at a temperature of 60 oC with a rotation of 800 rpm and a time of 90 minutes. In the ester/transesterification process, the ratio of methanol: oil is 1:2 (v/v). The biofuels are then tested for cetane number, flash point, density, viscosity, calorific value, and others. The results showed that the amount of wet catalyst (KOH) in the transesterification process gave a difference in the yield of WCO oil. The optimum value was obtained at the amount of 1% KOH catalyst, which was 85%.

Kajian Eksperimental pada Turbin Screw Archimedes Skala Kecil Rahmawaty, Rahmawaty; Suherman, Suherman; Dharma, Surya; Sai'in, Ali
Jurnal Rekayasa Mesin Vol 17, No 1 (2022): Volume 17, Nomor 1, April 2022
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v17i1.3065

The number of rivers and canals in most parts of Indonesia is large enough to be developed into a micro-hydro power plant. The Archimedes srcew turbine (Archimedes scew turbine AST) has been implemented to convert hydroelectric energy since the 1990s. Many variables affect the performance of Archimedes screw turbines such as pitch ratio, immersion rate, water flow and turbine shaft angle. The purpose of this study was to determine the effect of the turbine shaft inclination angle (25-35o) on the rotation, current and voltage produced by the screw turbine. The screw turbine has a diameter of 260 mm with a shaft length of 1200 mm and a pitch distance of 200 mm. The flow rate of water is used at 0,0065 m3/s to rotate a low speed generator. The results showed that the higher the turbine shaft angle resulted in an increase in rotation, voltage and current produced. The optimum angle is obtained at a turbine angle of 35o which produces 2,058 Watts at 243 rpm.

The Development of Adolescent Academic Self-Efficacy Instruments: Analysis of Rasch Model Kurniati, Nadiya; Rusmana, Nandang; Suherman, Suherman
GUIDENA: Jurnal Ilmu Pendidikan, Psikologi, Bimbingan dan Konseling Vol 13, No 2 (2023)
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/gdn.v13i2.7310

Academic self-efficacy is part of social cognitive theory. Academic self-efficacy is an individual's belief in the ability to do a task for achieving optimal goals. The evolution of several developments of self-efficacy instruments found in Indonesia and foreign. But, the limitation of the academic self-efficacy instrument for adolescents encourages the researcher to develop the Adolescents’ Academic Self-efficacy Instrument (AASEI).Therefore, this study aims to develop the Adolescents’ Academic Self-Efficacy Instrument (AASEI) using the RASCH measurement model. The participants in this study were 656 high school seniors aged 15-18 years. The results revealed that the Adolescents’ Academic Self-efficacy Instrument (AASEI) had a good person reliability score (0.86), excellent item reliability (0.99), and a very good Cronbach's Alpha score (0.88). The results of the Rasch analysis revealed that 42 instrument items of Adolescents’Academic Self-Efficacy Instrument fulfill the requirements and can be used to measure adolescent academic self-efficacy in Indonesia.

Pengembangan Insrumen Assertiveness Siswa Sekolah Menengah Atas (SMA): Analisis Model Rasch Raisa, Zarul; Suherman, Suherman; Yudha, Eka Sakti; Muhammad, Fadhil
GUIDENA: Jurnal Ilmu Pendidikan, Psikologi, Bimbingan dan Konseling Vol 13, No 1 (2023)
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/gdn.v13i1.6415

His study aimed to develop an instrument that will be used to measure the assertiveness of senior high school students. This quantitative study involved 300 senior high school students in Aceh. Based on an analysis of the relevant literature, this study developed 38 items that collectively described assertiveness. Data was collected using a assertiveness scale and analyzed using the Rasch model. The results show that 1) Cronbach's alpha value is 0.83 which means the interaction between item and person is in the very good category, 2) the item reliability coefficient is 0.99 where the item belongs to the special category, and 3) the person reliability coefficient is 0.83 which means that students respond consistently to each item. Based on the results above, we can see that 37 valid items and the other is invalid. Overall, it can be concluded that the assertiveness scale has good psychometric properties, and it can be used by counselors or counseling guidance teachers to measure students' assertiveness.

The Development of Self-Direction and Self-Regulation Skills to Improve the Effectiveness of Learning of High School Students Suherman, Suherman
GUIDENA: Jurnal Ilmu Pendidikan, Psikologi, Bimbingan dan Konseling Vol 11, No 3 (2021)
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/gdn.v11i3.5137

In the 21st century, life is packed with challenges and the search for identity in an adolescent developmental phase; high school students are faced with the demands of a constantly changing environment, open and diverse opportunities and choices, and increasingly fierce competition. Therefore, students need to have self-direction and self-regulation skills to live their lives effectively and face their future in a more directed manner. Students with inadequate self-direction and self-regulation skills can encounter many problems and developmental experience confusion, indecision, and immaturity. This study aims to discover guidance and counseling strategies to help young students develop self-direction and self-regulation skills to undergo the learning process more effectively and independently. The research and development method was used. The respondents were ten school counselors and 643 high school students in the West Java Province of Indonesia. Research produces Self-Direction and Self-Regulation Skills Development Guidelines for High School Students. These guidelines are proven effective in fostering students’ self-direction and self-regulation skills, which include: initiative, autonomy, self-regulation, and responsibility.Keywords: adolescence; a time of crisis; self-direction skills; effective learning process Di abad 21, kehidupan penuh dengan tantangan dan pencarian jati diri dalam fase perkembangan remaja; Siswa SMA dihadapkan pada tuntutan lingkungan yang terus berubah, peluang dan pilihan yang terbuka dan beragam, serta persaingan yang semakin ketat. Oleh karena itu, siswa perlu memiliki keterampilan mengarahkan diri dan mengatur diri sendiri untuk menjalani kehidupannya secara efektif dan menghadapi masa depan mereka secara lebih terarah. Siswa dengan pengarahan diri dan keterampilan pengaturan diri yang tidak memadai dapat menghadapi banyak masalah dan mengalami kebingungan, keragu-raguan, dan ketidakdewasaan perkembangan. Penelitian ini bertujuan untuk menemukan strategi bimbingan dan konseling untuk membantu siswa muda mengembangkan keterampilan pengarahan diri dan pengaturan diri untuk menjalani proses pembelajaran secara lebih efektif dan mandiri. Metode penelitian dan pengembangan yang digunakan. Respondennya adalah sepuluh guru BK dan 643 siswa SMA di Provinsi Jawa Barat, Indonesia. Penelitian menghasilkan Pedoman Pengembangan Keterampilan Self-Direction dan Self-Regulation untuk Siswa SMA. Pedoman ini terbukti efektif dalam membina keterampilan mengarahkan dan mengatur diri siswa, yang meliputi: inisiatif, otonomi, pengaturan diri, dan tanggung jawab.Kata kunci: masa remaja; saat krisis; self-direction skills; proses belajar yang efektif

Co-Authors Aan Subhan Pamungkas Abdullah, Ilmi Achi Rinaldi Agus Jatmiko Akbar Handoko Amiruddin Amiruddin Andika Eko Prasetiyo Ani Listianingsih Anisatus Sa'adah Anisatus Saadah Anita Rahayu Pamintaningsih Arridina Susan Silitonga - Ayu Sekarsari Suharno Bambang Sri Anggoro Defriyanto Defriyanto, Defriyanto Desi Cahya Nurul Putri Dian Widi Astuti Diki Irwandi Eka Patmi Seta Eka Sakti Yudha Eka Widiyasari Eko Kuswanto Fadhil, Ahmad Fahkur Setiaji Farida, Farida Fauziyyah, Isya Feriansyah Feriansyah Fredi Ganda Putra Hariz Arifai Hasan Sastra Negara Holidun Holidun Holidun, Holidun Iip Sugiharta Indy Alda Savitri Istihana Istihana Kamandoko Kamandoko Khusnul Hamidah KOMARUDIN Kurniati, Nadiya Laila Puspita M. Syaif Amrullah Alqusyairi Mardiyah Masykur, Rubhan Mu'min Firmansyah Muhammad Sabri Muhammad Sholeh Muhammad, Fadhil Mujib Mujib Nanang Supriadi Nandang Rusmana Netriwati Nirva Diana Nova Nindarti Novi Rosmawati Novia Dwi Rahmawati Novia Dwi Rahmawati Nur Sa’adah Nuriza Siregar Okis Fatimah Oktavia Irma Pratama Pratama, Oktavia Irma Purwoko, Agus Rahma Sari Ningtias Rahmawaty, Rahmawaty Raisa, Zarul Ratna Wati Revani Husain Setiawan Rifky Hidayat Rizki Wahyu Yunian Putra Rosida Rakhmawati Rubhan Masykur Ruhban Masykur Safitri, Julia Dwi Sai'in, Ali Sari Arfina Silvi Riswati Siti Anggi Wulandari Sofwan Zulfikar Suherman Suherman Suroso, Bekti Surya Dharma Suyadi, Suyadi Syamsul Huda Syofnidah Ifriyanti Taza Nur Utami Teguh Yunianto Tia Agnesa Utami, Taza Nur Yovi Imeysa

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