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Pengaruh Kepercayaan, Keamanan, dan Kemudahan Penggunaan Terhadap Keputusan Pembelian pada GrabFood di Kota Batam Afendi, Afendi; Inda Sukati
Jurnal Riset Rumpun Ilmu Ekonomi Vol. 5 No. 1 (2026): April: Jurnal Riset Rumpun Ilmu Ekonomi
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurrie.v5i1.7941

Abstract

This study aimed to examine the extent to which trust, perceived security, and ease of use of the GrabFood platform influence consumer transaction decisions in Batam City. The method used was descriptive quantitative, involving 204 respondents who had made purchases through GrabFood, selected through purposive sampling based on Jacob Cohen's formula to ensure representative results. Data were collected using a questionnaire and analyzed through a series of procedures, including validity and reliability testing, classical assumption checking, multiple linear regression, and hypothesis testing using t-tests and F-tests. The study findings revealed that trust contributed 22.0%, security 38.9%, and ease of use 23.2% to purchasing decisions. The coefficient of determination (R²) of 65.6% confirmed that these three factors simultaneously explained a significant portion of the variation in consumer purchasing behavior. Furthermore, t-tests and F-tests confirmed a positive and significant influence, both individually and collectively, on consumer decisions to use GrabFood.
Pengaruh Influencer Marketing, Citra Merek, dan Electronic Word Of Mouth Terhadap Keputusan Pembelian pada Marketplace Shopee Jackson, Jackson; Inda Sukati
Jurnal Riset Rumpun Ilmu Ekonomi Vol. 5 No. 1 (2026): April: Jurnal Riset Rumpun Ilmu Ekonomi
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurrie.v5i1.8128

Abstract

This study aims to analyze the influence of influencer marketing, brand image, and e-WOM on purchasing decisions on the Shopee marketplace. A quantitative descriptive approach was used, involving 204 Shopee consumers who had previously purchased specific products. They were selected using purposive sampling based on Jacob Cohen's calculation guidelines to ensure the sample accurately represented the population. Data were collected through a questionnaire, which was then analyzed using validity and reliability tests, classical assumption evaluation, multiple linear regression, and hypothesis testing using t-tests and F-tests. The regression analysis showed that influencer marketing had a 34.8% influence on purchasing decisions, brand image contributed 32.7%, and e-WOM had an influence of 20.0%. Furthermore, the coefficient of determination (R²) showed that these three variables together explained 86.9% of the variation in consumer purchasing decisions. The t- and F-tests confirmed that each variable had a significant and positive influence, both partially and simultaneously, on purchasing decisions on the Shopee marketplace.
The Influence Of Product Quality, Beauty Influence, And Product Design On Wardah Skincare User Satisfaction In Batam City Deska Fitrianika; Inda Sukati
Primanomics : Jurnal Ekonomi & Bisnis Vol. 22 No. 2 (2024): Primanomics : Jurnal Ekonomi dan Bisnis
Publisher : LPPM Universitas Buddhi Dharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31253/pe.v22i2.2733

Abstract

The aim of this study was to explore how the quality of beauty products and product design impact the satisfaction levels of Wardah skincare users in Batam City. Employing a descriptive approach with quantitative methods, the study targeted a population of 100 respondents. The sample size was determined using the Slovin formula, resulting in 100 respondents selected through a simple random sampling technique. Data collected underwent analysis using a multiple linear regression model. To assess data quality, classical assumptions, influences, and research hypotheses, multiple linear regression testing and SPSS software were utilized. The outcomes of the multiple linear regression tests revealed that product quality contributed to 35.4% of user satisfaction, while the influence of beauty accounted for 46.3% and product design for 16.2% of user satisfaction. The coefficient of determination (R2) stood at 79.3%, indicating that 79.3% of Wardah skincare user satisfaction can be elucidated by factors such as Wardah product quality, beauty influence, and product design. The results from hypothesis testing demonstrated a positive and significant correlation between product quality, beauty influence, and product design, and Wardah skincare user satisfaction in Batam City.
Pengaruh Word Of Mouth, Nilai Pelanggan, Dan Kualitas Produk Terhadap Produk Makeup Emina Di Kota Batam Fidia Erwanti; Inda Sukati
Community Engagement and Emergence Journal (CEEJ) Vol. 7 No. 2 (2026): Community Engagement & Emergence Journal (CEEJ)
Publisher : Yayasan Riset dan Pengembangan Intelektual

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/ceej.v7i3.10278

Abstract

Tujuan penelitian ini adalah untuk menyelidiki bagaimana nilai konsumen, kualitas produk, dan word-of-mouth memengaruhi keinginan warga Kota Batam untuk membeli kosmetik Emina. Penelitian ini dilakukan dengan menggunakan desain penelitian deskriptif dan metodologi kuantitatif. Pelanggan kosmetik Emina di Kota Batam pada tahun 2025 menjadi subjek penelitian ukuran populasi yang tepat tidak diketahui. Rumus Jacob Cohen digunakan untuk menentukan ukuran sampel, dan 120 responden dipilih menggunakan teknik purposive sampling berdasarkan kriteria yang telah ditentukan. Pengujian kualitas data, pengujian asumsi tradisional, analisis asosiasi variabel, dan pengujian hipotesis termasuk di antara teknik yang digunakan dalam analisis data. Hasil penelitian menunjukkan bahwa fluktuasi minat beli dapat dijelaskan oleh word-of-mouth, nilai pelanggan, dan kualitas produk secara bersamaan sebesar 79,7%, dengan sisanya dipengaruhi oleh faktor-faktor yang tidak termasuk dalam model penelitian. Selain itu, hasil uji t dan uji F menunjukkan bahwa kualitas produk, nilai pelanggan, dan word-of-mouth semuanya memiliki dampak yang menguntungkan dan signifikan terhadap keinginan warga Kota Batam untuk membeli produk kecantikan Emina.