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All Journal Jurnal Manajerial Multidiciplinary Output Research for Actual and International Issue (Morfai Journal) Jurnal Manajemen Dan Akuntansi Medan Harmony Philosophy: International Journal of Islamic Religious Studies and Sharia
Prasetyo Hartanto
Telkom University
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Social Sciences Other

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Model Of Increasing Purchase Intention Through Influencer Engagement On Social Media Prasetyo Hartanto
Jurnal Manajerial Vol. 12 No. 02 (2025): Jurnal Manajerial
Publisher : Program Studi Manajemen Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/jurnalmanajerial.v12i02.9904

Abstract

Background – The advancement of internet technology has influenced shifts in consumer thinking and purchasing behavior. Nowadays, people from diverse demographic groups—including both genders, adolescents, and adults—are increasingly using the internet as a platform for business and marketing activities. Aim –The aims of this study are as follows: (1) To examine whether Perceived Credibility exerts a positive and significant effect on Attitude Toward the Influencer; (2) To investigate the influence of Trust on Attitude Toward the Influencer and determine whether it is both positive and significant; (3) To assess whether Perceived Behavioral Control significantly and positively affects Attitude Toward the Influencer; (4) To explore the extent to which Subjective Norms contribute positively and significantly to Attitude Toward the Influencer; (5) To evaluate whether Perceived Expertise positively and significantly influences Attitude Toward the Influencer; (6) To determine whether Perceived Congruence has a positive and significant relationship with Attitude Toward the Influencer; (7) To analyze the positive and significant impact of Attitude Toward the Influencer on Engagement; (8) To examine whether Attitude Toward the Influencer significantly contributes to Purchase Intention in a positive manner; and (9) To analyze the influence of Engagement on Purchase Intention, with a focus on identifying whether the effect is positive and significant. Design / Methodology / Approach – The methodology of this research use crossesctional and hypothesis testing. Data was collected using questionnaire with the measeurement using Likert scale. The samples of this research are followers Instagrams’s Account of Rinaldi. Findings – The findings of this research demonstrate that: (1) Perceived Credibility exerts a positive and statistically significant effect on Attitude Toward the Influencer; (2) Trust significantly and positively impacts Attitude Toward the Influencer; (3) Perceived Behavioral Control shows a positive and significant relationship with Attitude Toward the Influencer; (4) Subjective Norms positively and significantly influence Attitude Toward the Influencer; (5) Perceived Expertise has a significant and positive effect on Attitude Toward the Influencer; (6) Perceived Congruence significantly contributes to the formation of a positive Attitude Toward the Influencer; (7) Attitude Toward the Influencer significantly and positively influences Engagement; (8) Attitude Toward the Influencer has a positive and significant effect on Purchase Intention; and (9) Engagement positively and significantly affects Purchase Intention. Conclusion – This Study Successfully Addressed All Research Questions Through Hypothesis Testing. Research implication – The findings of this study offer several practical implications that can serve as valuable input for influencers in fulfilling their role as product promoters through personal social media accounts.  Limitations – This study has several limitations. First, the dimensions and measurement items used are limited, as the data were collected from 258 respondents who exclusively follow a single influencer. The sampling is not evenly distributed and does not include followers of Rinaldi’s Instagram account who reside outside Jakarta. Furthermore, the influencer examined in this study is specifically associated with educational products, which limits the generalizability of the findings. Future research may expand the scope by exploring other types of products. Additionally, the issues and contexts explored in this study are subject to change over time and may require further development in response to evolving trends.
THE MEDIATING ROLE OF BRAND TRUST IN THE EFFECT OF CUSTOMER REVIEWS, INFLUENCER, AND PRICE ON PURCHASE DECISIONS OF SOMETHINC BEAUTY PRODUCTS ON SHOPEE Rafda Hasna Imamah; Prasetyo Hartanto; Lina Fatimah Lishobrina
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 6 No. 4 (2026): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.20508318

Abstract

The rapid growth of e-commerce in Indonesia has transformed consumer behaviour in the beauty industry, particularly through Shopee as a dominant marketplace and Somethinc as a leading local beauty brand. This study aims to examine the mediating role of brand trust in the relationship between customer reviews, influencers, price, and purchase decisions of Somethinc beauty products on Shopee. A quantitative approach was employed through an online survey involving 270 Indonesian consumers who had purchased Somethinc products on Shopee, selected using purposive sampling. The research constructs were measured using a seven-point Semantic Differential scale, and the data were analysed using Partial Least Squares Structural Equation Modelling (PLS-SEM) with SmartPLS 4.1. The findings reveal that customer reviews, influencers, and price have positive and significant effects on both brand trust and purchase decisions. Brand trust also significantly mediates the relationship between these three variables and purchase decisions, indicating partial mediation. The model explains 53.7% of the variance in purchase decisions and 30.2% in brand trust, with customer reviews identified as the strongest predictor. These findings highlight the importance of brand trust in strengthening digital marketing strategies for local beauty brands in e-commerce platforms.
The Role of Key Opinion Leaders and Customer Experience on Purchase Decisions: The Mediating Effect of Brand Image Prasetyo Hartanto; Lawrence Adi Supriyono; Antonius Juniarto
Jurnal Manajemen Dan Akuntansi Medan Vol. 8 No. 1 (2026): Jurnal Manajemen Dan Akuntansi Medan Januari 2026
Publisher : Yayasan Cita Cendikiawan Al Kharizmi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/jumansi.v8i1.7859

Abstract

Background: Indonesia has become one of the countries with the highest number of mobile game downloads, with a total of 3.65 billion downloads in 2023, emerging as one of the largest mobile game markets in the world. This study examines the role of Key Opinion Leaders and Customer Experience in purchasing decisions for hero skins in the Mobile Legends game, with Brand image as a mediating variable. This study aims to understand the relationship between variables and their impact on consumer behavior. Research method: The type of research used in this study is quantitative exploratory. Exploratory research is a type of research that examines the causal relationship between the variables used in this study. The population used in this study are consumers who have purchased Mobile Legends skins within the past year. The sample size in this study is 253 respondents. Research results: The descriptive analysis results for each indicator in the Key Opinion Leader, Customer Experience, Brand Image, and Purchase Decision variables are valid and reliable. The hypothesis in this study is accepted and has a high enough influence and significance. Conclusion: Based on the results of this study, it was found that Key Opinion Leaders and Customer Experience have a positive influence, both directly and indirectly, on Purchase Decision through Brand Image. These findings indicate that an approach that combines digital strategies through KOL and improved Customer Experience can strengthen Brand Image and encourage consumer purchasing decisions. This reinforces the important role of digital marketing communication and customer experience in the context of the creative and digital industries.
Re-evaluating Fiqh Methodology: Toward a Contextual Islamic Legal Framework Responsive to Global Social Transformations Prasetyo Hartanto; Ansor Lubis
Harmony Philosophy: International Journal of Islamic Religious Studies and Sharia Vol. 1 No. 4 (2024): November: Harmony Philosophy: International Journal of Islamic Religious Studie
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70062/harmonyphilosophy.v1i4.328

Abstract

This study explores the re-evaluation and re-shaping of fiqh methodology to ensure Islamic law remains relevant and responsive to contemporary issues. As society evolves, new challenges such as migration, the digital economy, and shifting moral standards present complex legal and ethical dilemmas that traditional fiqh struggles to address. Contextual fiqh, which integrates classical Islamic principles with modern social, economic, and technological developments, offers a dynamic approach to Islamic law that addresses these challenges. The study emphasizes the flexibility of contextual fiqh in offering more adaptable legal solutions, particularly in the realms of migration, digital transactions, and family law. By incorporating modern social dynamics, including technological advancements like cryptocurrencies and virtual marriages, contextual fiqh proposes a legal framework that is both grounded in Islamic principles and relevant to contemporary needs. The research highlights the importance of interdisciplinary engagement between Islamic scholarship and fields such as economics, sociology, and technology, offering a holistic approach to legal decision-making. Through the examination of case studies, such as the application of Islamic legal principles to global migration patterns and digital financial systems, the study demonstrates how contextual fiqh can provide ethical and practical solutions to modern problems. The findings suggest that the adoption of contextual fiqh can lead to more inclusive, just, and responsive legal frameworks, making Islamic law more adaptable and effective in addressing the complexities of the modern world.
Co-Authors Ansor Lubis Juniarto, Antonius Lawrence Adi Supriyono Lina Fatimah Lishobrina Rafda Hasna Imamah