Abstract:Penelitian ini bertujuan untuk merancang dan membangun media pembelajaran interaktif berbantuan Augmented Reality (AR) pada mata pelajaran Perencanaan dan Instalasi Sistem Audio Video (PISAV) di SMKN 1 Sumatera Barat. Latar…
tar belakang penelitian ini didasari oleh masih dominannya penggunaan media pembelajaran konvensional serta belum tersedianya media pembelajaran interaktif berbasis AR yang mampu membantu siswa memahami materi teknis secara visual dan kontekstual. Media pembelajaran dikembangkan menggunakan platform Assemblr EDU dengan metode pengembangan Multimedia Development Life Cycle (MDLC) yang meliputi tahapan Concept, Design, material collecting, Assembly, Testing, dan Distribution. Materi yang difokuskan dalam pengembangan media ini adalah instalasi sistem audio rumah. Uji kelayakan media dilakukan melalui validasi ahli materi dan ahli media, serta uji penerimaan pengguna (User Acceptance Testing/UAT) yang melibatkan siswa kelas XI Teknik Audio Video. Hasil validasi menunjukkan bahwa media pembelajaran yang dikembangkan berada pada kategori valid dan layak digunakan. Hasil UAT juga menunjukkan tingkat penerimaan yang sangat tinggi oleh siswa, sehingga media pembelajaran interaktif berbantuan AR ini dinilai sangat layak digunakan sebagai media pendukung pembelajaran PISAV. Media ini diharapkan dapat meningkatkan motivasi belajar, pemahaman konsep, serta keterlibatan aktif siswa dalam proses pembelajaran.
Abstract:This study aims to analyze and design the working system of a passenger elevator, including the working mechanism of the elevator, the design of the lifting system, the calculation of cage capacity, the design of power and…
nd the selection of the main drive motor, the calculation of the main components, the design of the transmission, the calculation of maintenance costs, the selection of component materials, and the creation of technical drawings. The design results show that the specifications of the drive motor used have a power of 6.28 Hp with a rotation of 800 rpm, a lifting speed of 15 m/min, and a lifting capacity of 500 kg. The shaft components are designed using S45C carbon steel, with details of Shaft I with a diameter of 24 mm, Shaft II with a diameter of 41 mm, and Shaft III with a diameter of 41 mm. The gears consist of Gear I with a pitch circle diameter of 42 mm, a circle diameter of 37 mm, a head circle diameter of 46 mm, a width of 16 mm, and 21 teeth; Gear II with a pitch circle diameter of 210 mm, a circle diameter of 205 mm, a head circle diameter of 214 mm, a width of 16 mm, and 105 teeth; Gear III with a pitch circle diameter of 68 mm, a circle diameter of 63 mm, a head circle diameter of 108 mm, a width of 16 mm, and 34 teeth; and Gear IV with a pitch circle diameter of 270 mm, a circle diameter of 265.5 mm, a head circle diameter of 270 mm, a width of 16 mm, and 21 teeth. The drum used has a diameter of 253 mm, a weight of 100 kg, a length of 1073.79 mm, and a thickness of 16 mm.
Abstract:Perkembngan pesat teknologi clound computing telah mendorong berbagai sektor untuk beralih dari infrastuktur lokal ke platfrom berbasis awan. Perpindahan ini memberikan kemudahaan pengelolaan data, namun di sisi lain memunculkan…
unculkan risiko keamanan yang kompleks, terutama berkenaan dengan perlindungan data pribadi pengguna. Penelitian ini bertujuan mengidentifikasi, mengklasifikasi, dan menganalisis berbagi risiko keamanan data pribadi pada sistem clound computing, serta meruuskan rekomendasi mitigasi yang relevan. Metode yang digunakan adalah kajian literatur sistematis yang berfokus pada keamanan clound, pemasaran digital, dan transformasi teknologi informasi. Hasil analisis menunjukkan bahwa ancaman utama meliputi kebocoran data, akses tidak sah, serangan Dos/DDoS, snooping, attack, dan penyalahgunaan infrastruktur multi-tenancy. Mekanisme keamanan efektif mencakup enkripsi tingkat lanjut (AES-256, TLS 1.3), manajeman akses berbasis peran, autentikasi multi faktor,serta pemanatauan ancaman secara real-time. Kolaborasi atara penyediaan layanan clound dan pengguna terbukti menjadi faktor kunci dalam menurunkan insiden keamanan hingga 30%. Penelitian ini memberikan kerangka analitis yang dapat diadopsi oleh organisasi dalam merencanakan tata kelola keamanan informasi berbasis clound.
Abstract:Penelitian ini bertujuan untuk menganalisis dinamika identitas budaya mahasiswa Nias dalam mempertahankan nilai-nilai tradisional di lingkungan kampus multikultural. Penelitian ini menggunakan pendekatan kualitatif deskriptif…
iptif dengan teknik purposive sampling terhadap delapan mahasiswa Nias di Jurusan Pendidikan Geografi, Universitas Negeri Medan. Data dikumpulkan melalui wawancara semi-terstruktur dan dianalisis menggunakan model Miles dan Huberman. Hasil penelitian menunjukkan bahwa identitas budaya berkembang secara dinamis melalui proses adaptasi dan interaksi sosial. Mahasiswa tidak hanya menyesuaikan diri dengan budaya baru, tetapi juga mempertahankan identitas melalui penggunaan bahasa daerah, praktik alih kode, serta pemertahanan nilai-nilai tradisional. Faktor pendukung meliputi dukungan keluarga, komunitas mahasiswa, dan solidaritas kelompok, sedangkan hambatan berasal dari dominasi budaya mayoritas dan keterbatasan jumlah mahasiswa. Temuan ini menunjukkan bahwa adaptasi tidak selalu menghilangkan identitas budaya, melainkan dapat memperkuatnya dalam konteks sosial yang baru.
Abstract:Stress and motivation are factors that also influence the decrease or increase in employee performance. The purpose of this study was to determine and analyze the effect of stress and motivation on the performance of the…
Medan City Employment Service. The author limits the problem only to the effect of stress and work motivation on employee performance at the Medan City Employment Agency. Formulation of the problem whether work stress and work motivation affect employee performance at the Medan City Employment Agency, the population in this study totaled 58 people as the sample. The type of this research is quantitative research, with secondary data and distributing questionnaires to respondents as a data source. The data analysis method used is multiple linear regression analysis, hypothesis testing is done by Partial Test (t), Simultaneous Test (F) and Determination Coefficient Test (R2). The results of this study are Y = 0.550 + 0.447 X1 + 0.398 X2. The stress variable has a partial effect on employee performance. This can be seen from the significant value of 0.001 <0.05 and the t-count value of 3.543 > t-table 1.673. The motivation variable has a partial effect on employee performance, this can be seen from the significant value of 0.002 <0.05 and the t-count value of 3.225 > t-table 1.673, the hypothesis is accepted. The variables of stress and work motivation simultaneously have a positive and significant effect on employee performance. This can be seen from the resulting sig value of 0.000 <0.05 and the Fcount value of 34.156 while Ftable is 3.17 so Fcount > Ftable. Based on the test results of the coefficient of determination (R2) it is known that the R square value is 0.554 which means that the influence of stress and motivation variables on performance variables is 55.4%. It means having a relationship that is not too strong. While the remaining 44.6% is caused by other factors outside the research.
Abstract:The purpose of this study was to determine the effect of organizational culture and leadership style on employee performance in this type of research is a quantitative study using multiple linear regression methods. The…
analysis used includes instrumental testing, classical hypothesis testing, and hypothesis testing. The result of this research is the value of Y = -6.784+0.672X1+0.633X2. In a sense, corporate culture has a significant impact on performance. From the t count > t in the table, namely 7,803 > 1,683, with sig 0.000 <0.05, it can be seen that leadership style has a significant effect on performance. 0.000<0.05. Organizational culture and leadership test scores affect performance simultaneously when Fcount > Ftable (62.090 > 4.08) of 0.000 <0.05. Based on the results of testing the coefficient of determinants of organizational culture and leadership style, the adjusted R-square value is 75.8%, meaning that organizational culture and leadership style contribute 75.8% to variations in performance. and other offers 24.2% influenced by other factors not examined in this study.
Abstract:Objective from study This is aim For add outlook about Promotion And Brand in increase Satisfaction Buyer on PT. Alpha Scropii Medan. Study This use data primary population in study This as much as 300 person buyer with…
sample 75 respondents with formula Slovin. Method analysis data Which used is method analysis quantitative that is covering test validity, test reliability, test assumptions classic, analysis regression linear simple, testing hypothesis through t-test And test coefficient determination (R 2 ). Variables Mix Promotion E_Prmsi with t count as big as (-)1,824 with significance 0.072 > 0.05 And t table 1.99346. So t count < t table, that variables Mix Promotion Not yet own contribution to Satisfaction Buyer. Mark t negative show variables Mix Promotion have connection Which No one way with Satisfaction Buyer. Results test partial t show that Brand Company own significance 0.00 < 0.05 so that concluded brand company have contribution in a way partial influential to Satisfaction Buyer, hypothesis study H1 accepted. Results test determination on column R Square as big as 0.495, Because We use 2 direction regression multiple. With thus Influence Mix Promotion And Brand Company to Satisfaction Buyer that is as big as 49.5 % whereas the rest 50.5 % influenced by variables other Which No including in variables study. Recommended to head branch PT. ALPHA SCORPII Medan do Mix Promotion in a way economical, efficiency And effective as well as delivery advertisement Which delivered use media social like Facebook, Instagram, Twitter, or media print Newspaper.
Abstract:Penelitian ini bertujuan mengembangkan ensiklopedia pop-up mitigasi banjir yang valid, praktis, dan efektif untuk menstimulasi kemampuan mitigasi banjir pada anak usia 5-6 tahun, serta mengidentifikasi peran elemen interaktif…
aktif dan pengaruh cara penyampaian guru. Penelitian menggunakan model ADDIE dengan subjek 28 anak kelompok B TK Dharma Wanita Persatuan 1 Driyorejo (14 eksperimen, 14 kontrol, sampling jenuh). Kelompok eksperimen menggunakan ensiklopedia pop-up, kelompok kontrol menggunakan metode konvensional (ceramah dan poster). Instrumen meliputi lembar validasi ahli, angket guru, dan observasi pretest-posttest. Hasil menunjukkan validitas media 100% (ahli media) dan 88,89% (ahli materi) dengan kategori sangat layak; kepraktisan rata-rata 87% (sangat praktis); keefektifan terbukti dari uji Independent Sample T-Test (Sig. 0,037 < 0,05) dan rata-rata N-Gain eksperimen (0,81 – tinggi) lebih baik dari kontrol (0,62 – sedang). Temuan utama: elemen interaktif (flap, slider, wheel, puzzle) membangkitkan antusiasme dan keterlibatan aktif anak. Selain itu, cara penyampaian guru yang ceria, ekspresif, dan menggunakan bahasa ajakan interaktif turut meningkatkan respons positif anak secara signifikan. Hal ini menegaskan bahwa stimulasi multisensori melalui pop-up book yang dipadukan dengan komunikasi guru yang hangat lebih efektif daripada metode ceramah dalam memfasilitasi pemahaman konsep abstrak mitigasi bencana pada tahap pra-operasional Piaget dan ikonik Bruner, sekaligus menstimulasi kecerdasan naturalistik Gardner. Implikasi penelitian ini tidak terbatas pada banjir; model pengembangan ensiklopedia pop-up interaktif dapat diadaptasi untuk mitigasi bencana lain (gempa, tsunami, kebakaran, tanah longsor) serta mendukung implementasi Satuan Pendidikan Aman Bencana (SPAB).
Abstract:The purpose of this research is to determine the improvement in performance and learning outcomes of Physics with the Google Form Assisted Inquiry Learning Model for Class X SMA Asuhan Daya Medan. The type of research used…
ed is classroom action research which aims to determine whether there is an increase in performance and learning outcomes of the subjects, namely students. The population of this research is all students of Class X SMA Asuhan Daya Medan. The sample is class X-IPA, totaling 25 students, who are taught using the inquiry learning model based on the concept of freedom of learning. This type of research is carried out using two cycles to achieve good learning outcomes. The instrument in this question consists of 14 multiple-choice questions with options (a, b, c, d and e) which are tested for validity, reliability and level of test difficulty. Learning outcomes are obtained using the Gain value according to the results of the hypothesis test, learning outcomes increase from ???? ̅ pre-cycle = 36.36 to ???? ̅ cycle I = 68.91 N-Gain = 0.44 and is classified as neutral. learning improvement from ???? ̅ diaphragm = 36.36 ???? ̅ cycle II = 85.09 with N-Gain = 0.74 is classified as high. The increase in learning activity ???? ̅ cycle I meeting 1 = 40.94 to ???? ̅ cycle and I fulfill the first N-Gain = 0.19 less classified as meeting 2 = 52.00, then the learning activity increases ???? ̅ cycle I 1 = 40.94 to meeting II = 66.06 seconds N With - Gain = 0.42 is classified as moderate, and the increase in active learning ???? ̅ cycle I meeting 1 = 40.91 to ???? ̅ cycle II meeting 2 = 85.09 with the third N-Gain = 0.85 is classified as high. The results of this research show an increase in performance and higher learning outcomes in the learning process using the Google Form Assisted Inquiry Learning Model for Class X of SMA Asuhan Daya Medan in the 2023/2024 academic year.
Abstract:The purpose of this study was to determine the effect of Canva Assisted Mission Based Learning Version on students' Physics learning outcomes on the Measurement material of class X Semester I of SMA Parulian 2 Medan in the…
he 2023/2024 Academic Year. This type of research is a quasi-experimental study. The population of this study was all students of class X MIA semester I of SMA Parulian 2 Medan which includes 2 subjects with a total of 30 students. Sampling was carried out by General Sampling where the number of samples was equal to the number of populations, so that the sample in this test changed to 15 students of class X MIA 1 as an experimental model, who were taught to use Canva. Assisted efforts based on the purchase of model information and 15 students of sophistication X MIA 2. as beauty manipulation were taught with a direct introduction model assisted with Canva. The research device used a multiple-desire view at along with 14 items with five choices (a, b, c, d, and e) which had been tested beforehand to determine the validity, reliability, level of difficulty, and item differentiation. Before examining the hypothesis, the normality and homogeneity of the records were checked first. The results show that the general pretest score for the test is 43.20 with a complete deviation of 8.23 and for the ordinary one is forty-two.75 with a standard deviation of seven, sixty-four. For preliminary competency tcount = 0.329 and ttable = 2.05. shows that tcount < ttable, then the initial talent of both classes is identical. After getting knowledge about ending, the post-test changed to finished for both lessons and the average trial cost changed to 80.79 with an average difference of 8.68 while for the elegance of manipulation the publication test cost became 72.67 with a current deviation of 8.15. Based on the pre-test homogeneity test, it was obtained Fcount = 1.162 along with Ftable = 2.48. because Fcount (1.162) < Ftable (2.48), then the pretest research fact turned out to be homogeneous, then the publish-check homogeneity test obtained Fcount = 1.213 along with Ftable = 2.48. because Fcount (1.213) < Ftable (2.48) then the post-test research data is homogeneous, then the statistical test (one-tailed t-test) obtained tcount = 2.67 and ttable = 1.70 at a significance level of α = 0.05, with dk as much as 28. Because tcount > ttable, being unique (2.67 > 1.70), this indicates that there may be a very large effect of the Canva Assisted learning-based task version on Physics students gaining knowledge about the results in the problem of interweaving of sophistication X Semester I personal strengths of the Parulian 2 Medan faculty in the 2023/2024 academic year.