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All Journal Jurnal Siasat Bisnis Jurnal Manajemen Pelayanan Publik JURNAL AKUNTANSI DAN BISNIS : Jurnal Program Studi Akuntansi JKBM (JURNAL KONSEP BISNIS DAN MANAJEMEN) Jurnal Masharif al-Syariah: Jurnal Ekonomi dan Perbankan Syariah JOURNAL OF APPLIED BUSINESS ADMINISTRATION Jurnal Ilmiah Manajemen Kesatuan INFOKUM Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Jurnal Akuntansi, Manajemen dan Ilmu Ekonomi (JASMIEN) Economics, Business and Management Science Journal Jurnal Pengabdian Kepada Masyarakat JEMSI (Jurnal Ekonomi, Manajemen, dan Akuntansi) Indonesian Community Journal Jurnal Ilmiah Manajemen dan Bisnis (JIMBI) Prioritas : Jurnal Pengabdian Kepada Masyarakat Journal of Artificial Intelligence and Digital Business Innovative: Journal Of Social Science Research Indonesian Journal of Multidisciplinary on Social and Technology Socius: Social Sciences Research Journal Journal of Innovative and Creativity Jurnal EKSPLOLHUM
Muhammad Yamin Siregar
Universitas Medan Area
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Nursing Public Health Social Sciences Transportation Veterinary Other

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PENGARUH CELEBRITY ENDORSEMENT DAN BRAND AWARENESS TERHADAP KEPUTUSAN PEMBELIAN PRODUK SKINCARE SKINTIFIC PADA TOKO UNDERPRICE SKINCARE Agnelisa Fegyola Pinem; Finta Aramita; Muhammad Yamin Siregar
EKSPOLHUM Vol. 1 No. 2 (2024): Agustus
Publisher : SUAN PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.67398/eksplolhum.v1i2.57

Abstract

The aim of this research is to determine the influence of celebrity endorsements and brand awareness on purchasing decisions for Skintific skincare products at Underprice Skincare stores, partially and simultaneously. The research design used is an associative approach. The population of the population who purchased skintific products at Underprice Skincare was 2,321 consumers (Data on purchases at Underprice Skincare stores in 2022 using a sampling technique based on criteria using the Slovin method. Based on these criteria, the research sample was 96 respondents. The data analysis method used analysis multiple linear regression with SPSS.25 Based on the results of the t test that has been carried out, it can be concluded that Celebrity Endorsement has a positive and significant effect on Purchasing Decisions. It can be concluded that Brand Awareness has a positive and significant effect on Purchasing Decisions Endorsement and Brand Awareness have a positive and significant effect simultaneously on purchasing decisions
Penguatan Pemasaran UMKM Melalui Edukasi E-Commerce di Desa Patumbak I Taufik Siregar; Sri Hidayani; Anggreni Atmei Lubis; Muhammad Yamin Siregar; Andi Hakim Lubis; Ghazy Luthfi; Yunita
Prioritas: Jurnal Pengabdian Kepada Masyarakat Vol. 4 No. 02 (2022): EDISI SEPTEMBER 2022
Publisher : Universitas Harapan Medan

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Abstract

Transformasi digital menjadi kebutuhan penting bagi Usaha Mikro, Kecil, dan Menengah (UMKM) dalam meningkatkan daya saing dan memperluas jangkauan pasar. Namun, keterbatasan literasi digital masih menjadi kendala utama dalam pemanfaatan e-commerce oleh pelaku usaha di tingkat desa. Kegiatan Pengabdian kepada Masyarakat ini bertujuan meningkatkan pemahaman dan keterampilan pelaku UMKM dalam memanfaatkan e-commerce sebagai strategi pemasaran digital. Kegiatan dilaksanakan pada Sabtu, 27 Agustus 2022 di Desa Patumbak I, Kecamatan Patumbak, Kabupaten Deli Serdang, dengan metode penyuluhan partisipatif, diskusi interaktif, dan simulasi praktik. Evaluasi dilakukan melalui pre-test dan post-test terhadap 30 peserta. Hasil menunjukkan peningkatan rata-rata skor dari 55% menjadi 88%, dengan kenaikan sebesar 33 poin. Perhitungan normalized gain sebesar 0,73 termasuk dalam kategori tinggi, yang menunjukkan efektivitas program dalam meningkatkan literasi digital peserta. Program ini berkontribusi dalam memperkuat kapasitas UMKM untuk beradaptasi dengan sistem pemasaran berbasis teknologi secara berkelanjutan.
Analisis Komparatif Kinerja Pemasaran Sebelum dan Sesudah Implementasi Digital Marketing pada Usaha Kuliner di Kecamatan Medan Sunggal Sihotang, Cristint; Salqaura, Siti Alhamra; Siregar, Muhammad Yamin
Journal of Innovative and Creativity Vol. 6 No. 1 (2026)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

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Abstract

This study aims to analyze the difference in sales performance before and after the implementation of digital marketing at MIEGO CRIS Trading Business in Medan Sunggal. Digital marketing was implemented as an effort to expand marketing reach and increase product sales. The research used a quantitative method with a comparative approach. Data were obtained from sales reports before and after the implementation of digital marketing, as well as questionnaires distributed to customers. The data analysis technique used was the Wilcoxon Signed Rank Test. The sample consisted of 30 respondents, who were the same individuals in both the before and after conditions of digital marketing implementation. The test was conducted using the Wilcoxon Signed Rank Test to determine the difference between the conditions before and after the implementation of digital marketing. The results showed a significant difference between the conditions before and after the implementation of digital marketing during the 2023–2025 period, with a Z value of –3.490 and a significance value of 0.000 (Asymp. Sig. 2-tailed). It can therefore be concluded that the implementation of digital marketing has a significant influence on improving the sales performance of Usaha Dagang MIEGO CRIS in Medan Sunggal.
Analysis of the implementation of TOS upgrade and the use of VMT on operational performance with the accuracy of container data as an intervening variable at Terminal B of PT Belawan New Container Terminal Darmansyah Nasution; Wan Suryani; Muhammad Yamin Siregar
Journal of Applied Business Administration Vol 10 No 1 (2026): Journal of Applied Business Administration
Publisher : Pusat P2M Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaba.11774

Abstract

This study analyzes the impact of Terminal Operating System (TOS) Upgrade Implementation and Vehicle Mounted Terminal (VMT) Usage on Operational Performance, with Container Data Accuracy serving as an intervening variable at Terminal B of PT Belawan New Container Terminal (BNCT), Medan. The research is driven by the strategic necessity of digital transformation to enhance port efficiency. Using a quantitative approach, data were collected from 63 operational employees and analyzed with SmartPLS 4.1. The results demonstrate that both TOS Upgrade Implementation and VMT Usage have a positive and significant effect on Container Data Accuracy. Furthermore, Container Data Accuracy is found to influence Operational Performance significantly and serves as a vital mediator in the relationship between VMT Usage and overall operational outcomes. These findings suggest that integrating hardware and software systems minimizes manual errors and streamlines workflow. Managerial implications recommend that port authorities prioritize sustained investment in TOS-VMT integration and workforce digital literacy to maintain a competitive advantage. Ultimately, enhancing digital infrastructure is essential for optimizing data integrity and accelerating container throughput in modern port logistics.
Pengaruh Pengetahuan Kewirausahaan Dan Keunggulan Bersaing Terhadap Keberhasilan Usaha Pada Toko Kelontong Salsabillah, Risa; Siregar , Muhammad yamin; Lubis, Adelina
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 5 No. 1 (2026): Februari - April
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v5i1.7321

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh pengetahuan kewirausahaan dan keunggulan bersaing terhadap keberhasilan usaha pada toko kelontong di Kecamatan Hamparan Perak, Kabupaten Deli Serdang. Latar belakang penelitian ini didasari oleh fenomena stagnasi yang dialami toko kelontong tradisional akibat ketatnya persaingan dengan ritel modern dan platform digital, yang menuntut pelaku usaha memiliki kompetensi internal yang kuat.Metode penelitian yang digunakan adalah kuantitatif dengan pendekatan asosiatif. Populasi dalam penelitian ini berjumlah 495 pengusaha toko kelontong, dengan sampel sebanyak 83 responden yang ditentukan menggunakan rumus Slovin melalui teknik simple random sampling. Pengumpulan data dilakukan melalui penyebaran kuesioner, sementara analisis data menggunakan teknik analisis regresi linear berganda dengan bantuan perangkat lunak SPSS versi 27. Hasil penelitian menunjukkan bahwa secara parsial, pengetahuan kewirausahaan memiliki pengaruh positif dan signifikan terhadap keberhasilan usaha dengan nilai signifikansi 0,002 < 0,05 dan t-hitung 3,176 > t-tabel 1,98. Demikian pula dengan variabel keunggulan bersaing yang berpengaruh positif dan signifikan terhadap keberhasilan usaha dengan nilai signifikansi 0,000 < 0,05 dan t-hitung 4,158 > t-tabel 1,98. Secara simultan, kedua variabel tersebut berpengaruh signifikan terhadap keberhasilan usaha dengan nilai F-hitung sebesar 87,245 dan tingkat signifikansi 0,000. Nilai Adjusted R Square sebesar 0,678 menunjukkan bahwa sebesar 67,8% variabel keberhasilan usaha dapat dijelaskan oleh pengetahuan kewirausahaan dan keunggulan bersaing, sedangkan sisanya dipengaruhi oleh faktor lain di luar penelitian ini.
Pengaruh Personal Selling, Brand Image dan Word of Mouth Terhadap Keputusan Pembelian Polis Asuransi Jiwa Anna Venly Gultom; Muhammad Yamin Siregar
Jurnal Ilmiah Manajemen dan Bisnis (JIMBI) Vol 7, No 1 (2026): Jurnal Ilmiah Manajemen dan Bisnis (JIMBI) - Juni
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jimbi.v7i1.6925

Abstract

This study is motivated by the importance of life insurance policy purchase decisions, which are not only determined by the need for financial protection but also by agent communication quality, company brand image, and recommendations from the social environment. This study aims to analyze the influence of personal selling, brand image, and word of mouth on life insurance policy purchase decisions at PT Asuransi Allianz Life Indonesia, Agency Vision Batu Bara MDN138 Branch. This research used a quantitative approach with a population of 2,380 life insurance policyholders. The sample consisted of 96 respondents selected using the Slovin formula and purposive sampling technique. Data were collected through questionnaires and analyzed using multiple linear regression with SPSS version 27. The results show that personal selling, brand image, and word of mouth partially have a positive and significant effect on purchase decisions. Simultaneously, the three variables also have a positive and significant effect, with Fcount 22.513 Ftable 2.70 and a significance value of 0.000 0.05. The Adjusted R Square value of 0.405 indicates that these variables explain 40.5% of purchase decisions, while the remaining percentage is influenced by other variables outside this study.
Pengaruh Kualitas Pelayanan, Suasana Cafe dan Harga terhadap Kepuasan Pelanggan pada Villa Ganding Sarune Cafe Berastagi Media Wenina Sitepu; Muhammad Yamin Siregar
Jurnal Ilmiah Manajemen dan Bisnis (JIMBI) Vol 7, No 1 (2026): Jurnal Ilmiah Manajemen dan Bisnis (JIMBI) - Juni
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jimbi.v7i1.6880

Abstract

This study aims to analyze the effect of service quality, cafe atmosphere, and price on customer satisfaction at Villa Ganding Sarune Cafe Berastagi, both partially and simultaneously. This study used a quantitative method with an associative approach. The population consisted of all customers who visited the cafe from January to April 2025, totaling 4,915 customers. The sample was determined using the Slovin formula with a 10% margin of error, resulting in 98 respondents. The sampling technique used was purposive sampling, with the criterion that respondents had visited the cafe more than once. Data were collected through questionnaires and analyzed using SPSS version 25 through classical assumption tests, multiple linear regression, t-test, F-test, and coefficient of determination. The results show that service quality, cafe atmosphere, and price have a positive and significant effect on customer satisfaction, both partially and simultaneously. The Adjusted R Square value of 63.3% indicates that the three variables explain the variation in customer satisfaction.
Pemberdayaan Pengrajin Belacan Paya Dondong, Secanggang, Langkat, Melalui Diversifikasi Sambal Belacan Kemasan Effiati Juliana Hasibuan; Riyanto Riyanto; Muhammad Yamin Siregar
I-Com: Indonesian Community Journal Vol 5 No 4 (2025): I-Com: Indonesian Community Journal (Desember 2025)
Publisher : Fakultas Sains Dan Teknologi, Universitas Raden Rahmat Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/i-com.v5i4.8461

Abstract

Tujuan kegiatan ini adalah memberikan pelatihan dan pendampingan kepada kelompok Pengrajin Belacan dalam mengembangkan produk diversifikasi berbasis belacan. Mitra adalah Kelompok Pengrajin Belacan Dusun Paya Dondong, Desa Secanggang, Kecamatan Secanggang, Langkat, Sumatera Utara. Belacan merupakan produk fermentasi dari udang rebon atau kecepe. Permasalahan utama yang dihadapi mitra adalah ketergantungan pada ketersediaan udang rebon yang tidak stabil sepanjang tahun. Solusi yang ditawarkan adalah diversifikasi produk belacan menjadi sambal belacan kemasan yang dapat diproduksi secara berkelanjutan. Metode kegiatan yang digunakan meliputi: (a) sosialisasi peluang diversifikasi belacan (b) pelatihan produksi; (c) pemberian hibah peralatan dan bahan baku; (d) pendampingan penggunaan peralatan dan strategi pemasaran; dan (e) monitoring dan evaluasi keberlanjutan. Hasil kegiatan : (a) membuka peluang usaha baru berbasis belacan; (b) meningkatkan pendapatan pengrajin, terutama untuk menghadapi masa paceklik bahan baku; dan (c) mendorong pemanfaatan sumber daya lokal secara berkelanjutan melalui produksi yang lebih efisien dan ramah lingkungan.
Pengaruh Experiential Marketing (Pengalaman Pemasaran) dan Kualitas Pelayanan terhadap Loyalitas Pelanggan Get Kopi Keliling di Jl. Dr. Mansyur Medan Wahyu Al Furqon Harahap; Ahmad Rafiki; Muhammad Yamin Siregar
Indonesian Journal of Multidisciplinary on Social and Technology Vol. 4 No. 3 (2026): Juli - Oktober
Publisher : PT Ilmu Data Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69693/ijmst.v4i3.13850

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh Experiential Marketing dan Kualitas Pelayanan terhadap Loyalitas Pelanggan pada Get Kopi Keliling di Jl. Dr. Mansyur, Medan. Penelitian ini menggunakan pendekatan kuantitatif dengan desain penelitian asosiatif. Sampel ditentukan menggunakan teknik non-probability sampling dengan melibatkan 96 responden. Pengumpulan data dilakukan melalui kuesioner yang diukur menggunakan skala Likert, kemudian dianalisis menggunakan regresi linear berganda dengan bantuan perangkat lunak SPSS 25. Hasil pengujian hipotesis menunjukkan bahwa Experiential Marketing (X₁) berpengaruh positif dan signifikan terhadap Loyalitas Pelanggan (Y), dengan nilai t hitung sebesar 6,080 yang lebih besar dari nilai t tabel sebesar 1,986 dan nilai signifikansi sebesar 0,000 < 0,05. Selanjutnya, Kualitas Pelayanan (X₂) juga berpengaruh positif dan signifikan terhadap Loyalitas Pelanggan (Y), dengan nilai t hitung sebesar 4,386 yang lebih besar dari nilai t tabel sebesar 1,986 dan nilai signifikansi sebesar 0,000 < 0,05. Hasil uji F menunjukkan nilai F hitung sebesar 461,916 yang lebih besar dari nilai F tabel sebesar 3,09, dengan nilai signifikansi sebesar 0,000 < 0,05. Hal ini menunjukkan bahwa Experiential Marketing dan Kualitas Pelayanan secara simultan berpengaruh positif dan signifikan terhadap Loyalitas Pelanggan pada Get Kopi Keliling di Jl. Dr. Mansyur, Medan. Selain itu, hasil uji koefisien determinasi menunjukkan nilai Adjusted R-Square sebesar 0,907, yang berarti bahwa 90,7% variasi Loyalitas Pelanggan dapat dijelaskan oleh variabel Experiential Marketing dan Kualitas Pelayanan, sedangkan sisanya sebesar 9,3% dipengaruhi oleh variabel lain di luar penelitian ini.
Co-Authors Abadi, Tri Ayu Adelina Lubis Agnelisa Fegyola Pinem Ahmad Prayudi Ahmad Rafiki Aji Pangestu Alfifto Andi Hakim Lubis Anggreni Atmei Lubis Anna Venly Gultom Ayu, Younda Dwi Dahrul Siregar Darmansyah Nasution Effiati Juliana Hasibuan Eka Dewi Setia Tarigan Erliyanto, Sindi Fauzan, Nabil Finta Aramita Ghazy Luthfi Ida Royani Intan Wahyu Ningsih Intan Wahyu Ningsih, Intan Wahyu Isnaniah Lailikhatmisafitri Isnaniah LKS Jamilah Nasution Lubis, Febby Yohana Mardiana Mardiana Media Wenina Sitepu Muhammad Hafiandi Prahada Musmar, Ismail Mahara Nasrullah Hidayat, Nasrullah Nasution, Silvia Octrianti Parulian Sihombing Patar Marbun Putri Handayani Siregar Rahmiati Rahmiati Riyanto Riyanto Sagala, Dandi Salsabillah, Risa Sambas, Rizky Aulia Sihotang, Cristint Siti Alhamra Salqaura Situmorang, Cintami E Sri Hidayani Sugito Sugito Syahriandi, H Taufik Siregar Tegar Sry Restu’eli Gulo Tohap Parulian Trissa, Yovanda Audiva Wahyu Al Furqon Harahap Wan Suryani Warsani Purnama Sari Winita Winita Winita Winita, Winita Yani, Anggia Dwi YUNITA