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A new learning model of software engineering in vocational education Dicky Nofriansyah; Ganefri Ganefri; Ridwan Ridwan
International Journal of Evaluation and Research in Education (IJERE) Vol 9, No 3: September 2020
Publisher : Institute of Advanced Engineering and Science

This research focused on the development a new learning model in Vocational Education to answer the challenges of this Industrial Revolution 4.0 era. The problem identified was the lack of learning outcomes, especially subjects oriented to software engineering for information systems students in particular and other computer science seen in the phenomenon of the inability of students to produce intelligent systems. From a series of validity, practicality, and effectiveness test results, use content validity with Aiken'V and construct validity with CFA (Confirmatory Factor Analysis) states that the model resulting from this study is stated, valid, practical and effective. This study also produced a new learning model with five syntaxes, namely (1) Define Problem and Design a Plan Project, (2) Interaction with Support System, (3) Create a Project, (4) Keep control and Monitoring Project, (4) Yield and Assessment of Project. And based on the test of the validity of the syntax of this model stated goodness-of-fit or valid.

Efficiency of 128-bit Encryption and Decryption Process in Elgamal Method Using Elliptic Curve Cryptography (ECC) Dicky Nofriansyah; Afzalur Syaref; Widiarti R Maya; Ganefri Ganefri; Ridwan Ridwan
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 16, No 1: February 2018
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v16i1.6953

Cryptography is a growing science of data security. The integrity of a data is an important thing to keep the secrets contained in the data. In this research will be visualized the efficient quantities that use elliptic curves and do not use them. The Elgamal method is an asymmetric cryptographic algorithm whose complexity of processes. It is especially for digital signatures. This research will discuss about the use of ECC to optimize and streamline the Encryption and Decryption process in particular 128-bit Elgamal method. The hope is that by using elliptic curves the timing of the encryption and decryption process can run faster in the computation of Elgamal Method.

Pengembangan Multimedia Interaktif Menggunakan Aplikasi Ispring Suite 9 Pada Pembelajaran IPA Kelas IX Di SMP Negeri 5 Panyabungan Maisyarah Purnama Sari; Ridwan Ridwan
Jurnal Penelitian IPTEKS Vol 5, No 2 (2020): JURNAL PENELITIAN IPTEKS
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/ipteks.v5i2.3660

Fasilitas pendukung pembelajaran di SMP Negeri 5 Panyabungan sudah memadai untuk proses pembelajaran peserta didik, namun inovasi belum maksimal yang memanfaatkan teknologi untuk proses pembelajaran. Penelitian ini bertujuan mengetahui pengembangan dan kelayakan multimedia interaktif menggunakan aplikasi ispring suite 9 terhadap hasil belajar pada mata pelajaran IPA dalam bentuk pembelajaran menggunakan perangkat komputer ataupun laptop yang dapat dioperasionalkan secara offline. Jenis penelitian ini merupakan Research and Development (RD) dengan menggunakan model pengembangan ADDIE. Penilaian ahli media, ahli materi, ahli bahasa, peserta didik dan guru digunakan sebagai data penelitian dan dianalisis dengan deskriptif persentase. Berdasarkan penelitian ini diperoleh produk dengan penilaian ahli materi sebesar 96%, ahli media sebesar 88%, ahli bahasa sebesar 82,5%, tanggapan peserta didik sebesar 90%; dan tanggapan guru sebesar 95%. Berdasarkan hasil penelitian tersebut dapat disimpulkan bahwa multimedia interaktif menggunakan aplikasi ispring suite 9 pada mata pelajaran IPA layak digunakan sebagai media pembelajaran peserta didik kelas IX SMP.

Efektivitas Video Pembelajaran Praktikum pada Mata Kuliah Fabrikasi di Jurusan Teknik Mesin Bulkia Rahim; Nizwardi Jalinus; Ridwan Ridwan; Rijal Abdullah; Syaflan Sandi Harta Putra
EDUKATIF : JURNAL ILMU PENDIDIKAN Vol 4, No 4 (2022): August Pages 5501-6400
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/edukatif.v4i4.3170

Mahasiswa yang masuk ke jurusan Teknik Mesin Fakultas Teknik Universitas Negeri Padang dari siswa yang berasal dari SMA dan SMK. Bagi mahasiswa yang berasal dari SMA menjadi kendala dalam mengikuti praktikum pada matakuliah Fabrikasi. Faktor wabah Covid 19 yang mengakibatkan pembelajaran Praktikum tidak bisa dilakukan luring sepenuhnya. Untuk mengatasi permasalahan ini maka perlu dilakukan pengembangan Video Pembelajaran Fabrikasi untuk meningkatkan pemahaman dan hasil praktikum. Tujuan dari penelitian ini untuk melihat Evektivitas Video Pembelajaran Praktikum pada Mata Kuliah Fabrikasi di Jurusan Teknik Mesin. Penelitian ini menggunakan metode Research and Development. Model pengembangan modul pembelajaran ini menggunakan model IDI (Instruksional Development Institute). Jumlah sampel dalam penelitian ini sebanyak 20 mahasiswa. Hasil penelitian ini adalah Rata-rata hasil preetest yaitu 38,29 dan rata-rata hasil postest adalah 92,31. Dengan hasil tersebut video pembelajaran praktik pada Mata Kuliah Fabrikasi di Jurusan Teknik Mesin dapat di sumpulkan efektif untuk digunakan dalam pembelajaran.

The Effect of Prior Knowledge and ASSURE Model on Simulation and Digital Communication Learning Outcomes in Vocational High School Yudha Aditya Fiandra; Nizwardi Jalinus; Ridwan Ridwan; Rijal Abdullah
Jurnal VARIDIKA Volume 34, No. 1 June 2022
Publisher : Faculty of Teacher Training and Education, Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/varidika.v1i1.18283

This research is in the form of experimental research. The purpose of this study was to examine and see the effect of applying the ASSURE model and prior knowledge on the results of Simulation and Digital Communication subjects at the SMK. The population involved in this study were students majoring in Computer and Network Engineering class X SMKN 3 Pariaman, where class A was the experimental class and class B was the control class. These two classes were also divided into two groups, high and low prior knowledge. This study uses a 2x2 factorial design. Hypothesis testing using two-way ANOVA test. The results obtained are that (1) the learning model has a significant effect on learning outcomes, the ASSURE model gets a higher score than the conventional learning model, (2) prior knowledge has a significant effect on learning outcomes, higher prior knowledge gets a higher score than the conventional learning model. which is low, and (3) there is no interaction between the learning model and prior knowledge on learning outcomes. The N-Gain test showed that high prior knowledge in the ASSURE learning model got the highest improvement results and low prior knowledge from conventional classes got the lowest results.

Development of the Wordwall Game for Learning Mandarin Vocabulary for Grade VI Elementary School Ani Kariyati; Indrati Kusumaningrum; Fetri Yeni J; Ridwan Ridwan
International Journal of Educational Dynamics Vol 4 No 1 (2021): International Journal of Educational Dynamics (IJEDs)
Publisher : Postgraduate School, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/ijeds.v4i1.399

Given the circumstances that occur in learning Mandarin, there is still a lack of teacher ability in developing learning media to increase the vocabulary skills of elementary school-age children and teachers are less creative in packaging interesting learning. This study aims to develop word wall media to improve the Chinese vocabulary skills of sixth-grade elementary school children. This research is development research that uses the 4D development model. The research subjects used consisted of 1 material expert, 1 media expert, and 2 linguists. Data collection methods in this study, namely observation, questionnaires, and interviews. The instrument used in this study was a questionnaire or questionnaire. The data analysis technique used is descriptive qualitative and quantitative analysis. The results of the study, namely the assessment by learning material experts got a score of 94% (very good), the results of the learning media expert test got a score of 92% (very good), the results of the language expert test got a score of 96% (very good). Based on the results of the study, it can be concluded that word wall media which was developed to improve the Chinese vocabulary skills of sixth graders of elementary school is suitable for use in the learning process. This research implies that the media developed in the form of word wall media can be used by teachers to improve vocabulary skills in sixth-grade elementary school children.

Efektifitas Model Project Based Learning (PjBL) dalam Implementasi Kurikulum Merdeka di Taman Kanak-Kanak Ayu Mustika Sari; Dadan Suryana; Alwen Bentri; Ridwan Ridwan
Jurnal Basicedu Vol 7, No 1 (2023): February
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/basicedu.v7i1.4390

Implementasi Project Based Learning (PjBL) merupakan bentuk dari penerapan kurikulum merdeka. Penelitian bertujuan untuk mengungkapkan efektifitas pembelajaran dengan menggunakan model Project Based Learning di bandingkan dengan model konfensional. Subjek penelitian ini anak TK Islam Terpadu Yadiaksa dengan melihat perkembangan anak 15 orang kelas Ekperimen TK ITa dan 15 orang anak kelas control TK ITb. Anak yang akan diteliti berada pada rentang usia 5-6 tahun. Penelitian ini dilaksanakan di TK IT Yadiaksa Sungai Rumbai Dharmasraya dengan metode penelitian kuantitatif deskriptif model Posstest Only Control Group Design. Sampel penelitian ini adalah seluruh anak TK Islam Terpadu Yadiaksa 30 anak. Hasil penelitian menunjukkan model Project Based Learning (PjBL) efektif untuk meningkatkan kemampuan perkembangan anak. Hal ini diketahui dari hasil standar tingkat pencapaian perkembangan anak kelas eksperimen dan kelas kontrol yang berbeda dengan nilai p 0,01 < 0,05. Hasil penemuan lain dari penelitian ini yaitu model Project Based Learning (PjBL) diketahui berperan lebih baik untuk menstimulasi anak dan mampu meningkatakan perkembangan anak rata-rata kelas eksperimen 83 dan kelas kontrol 75. Nilai tersebut meningkat sebesar 8.

Efektifitas Model Project Based Learning (PjBL) dalam Implementasi Kurikulum Merdeka di Taman Kanak-Kanak Ayu Mustika Sari; Dadan Suryana; Alwen Bentri; Ridwan Ridwan
Jurnal Basicedu Vol 7, No 1 (2023): February
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/basicedu.v7i1.4390

Implementasi Project Based Learning (PjBL) merupakan bentuk dari penerapan kurikulum merdeka. Penelitian bertujuan untuk mengungkapkan efektifitas pembelajaran dengan menggunakan model Project Based Learning di bandingkan dengan model konfensional. Subjek penelitian ini anak TK Islam Terpadu Yadiaksa dengan melihat perkembangan anak 15 orang kelas Ekperimen TK ITa dan 15 orang anak kelas control TK ITb. Anak yang akan diteliti berada pada rentang usia 5-6 tahun. Penelitian ini dilaksanakan di TK IT Yadiaksa Sungai Rumbai Dharmasraya dengan metode penelitian kuantitatif deskriptif model Posstest Only Control Group Design. Sampel penelitian ini adalah seluruh anak TK Islam Terpadu Yadiaksa 30 anak. Hasil penelitian menunjukkan model Project Based Learning (PjBL) efektif untuk meningkatkan kemampuan perkembangan anak. Hal ini diketahui dari hasil standar tingkat pencapaian perkembangan anak kelas eksperimen dan kelas kontrol yang berbeda dengan nilai p 0,01 < 0,05. Hasil penemuan lain dari penelitian ini yaitu model Project Based Learning (PjBL) diketahui berperan lebih baik untuk menstimulasi anak dan mampu meningkatakan perkembangan anak rata-rata kelas eksperimen 83 dan kelas kontrol 75. Nilai tersebut meningkat sebesar 8.

Training Kit Kendali Motor Induksi berbasis Inverter Tiga Fasa: Analisis Uji Kelayakan Doni Tri Putra Yanto; Hastuti Hastuti; Andrian Andrian; Putri Ani; Nizwardi Jalinus; Ridwan Ridwan
Jurnal Teknik Elektro Indonesia Vol 4 No 1 (2023): JTEIN: Jurnal Teknik Elektro Indonesia
Publisher : Jurusan Teknik Elektro Fakultas Teknik Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jtein.v4i1.345

This study discusses the analysis of the feasibility test of the three-phase inverter-based Induction Motor Control Training Kit (TKKMI) which is carried out before it can be used and applied in the laboratory as a medium or practicum equipment in the learning process of the Electric Motor Control Practicum. This feasibility test analysis is carried out to ensure that the device meets the criteria as practicum equipment or practicum learning media and can function properly according to its function. Feasibility test analysis is a testing activity in a laboratory that includes testing the safety aspects. aspects of electrical parameters, as well as device performance. The results showed that the TKKMI device based on a three-phase inverter met the criteria and standards as a media or practicum equipment in the learning process of electric motor control practicum for D3 electrical engineering vocational education students. Thus, it can be concluded that the TKKMI device is feasible to be used as practicum equipment in the laboratory for the learning process of the 3-phase induction motor control practicum.

Understanding the psychological drivers of sustainable purchasing behavior: a study of The Body Shop customers in Padang city Ridwan Ridwan; Gesit Thabrani
Marketing Management Studies Vol. 3 No. 3 (2023): Marketing Management Studies
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/mms.v3i3.383

Objective study this is for study influence factors psychological behavior purchase to behavior sustainable purchases to consumers of The Body Shop in Padang City. Population study this is a consumer ever buy product from The Body Shop. A total of 200 respondents chosen as sample research and data collected through charging questionnaire online. Data processing is done use device SmartPLS software. Research results show that (1) encouragement For responsible answer to environment own influence positive and significant to behavior sustainable purchase (2 ) perception effectiveness consumer influential positive and significant to behavior sustainable purchase (3 ) attitude to sustainable purchase _ own influence positive and significant to behavior sustainable purchase _ (4) Consumers Knowledge Regarding Sustainability Related no own influence towards Sustainable Purchase Behavior (5) Spirituality own influence towards Sustainable Purchase Behavior

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