9th Student Research Conference in Marketing (SRCM) - 2025

Permanent URI for this collectionhttp://repository.kln.ac.lk/handle/123456789/29644

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Author: search.filters.author.Wijenayaka, S. I.Subject: search.filters.subject.Influencer Marketing

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    The Influence of YouTube Influencers' Trustworthiness on Followers' Purchase Intentions: A Study of the Sri Lankan Restaurant Industry
    (Department of Marketing Management, Faculty of Commerce and Management Studies, University of Kelaniya, Sri Lanka., 2025) Madhuranga, L. P.; Wijenayaka, S. I.
    This study explores the impact of YouTube influencers' trustworthiness on followers' purchase intentions, with a special focus on the Sri Lankan restaurant industry. The central research question guiding this study is: “Investigating the impact of trustworthiness of social media influencers on YouTube on followers' purchase intention: Special reference to the restaurant industry in Sri Lanka.” The primary objective is to identify how influencer trustworthiness influences consumer decisions in this sector. Additionally, the study examines the specific roles of honesty, content trustworthiness, reliability, and authenticity in shaping consumer behavior. Positioned within the growing literature on influencer marketing, this research provides insights relevant to both academia and industry practitioners. The conceptual framework illustrates the relationship between influencer trustworthiness and followers' purchase intentions in the restaurant industry. It posits that influencer trustworthiness—measured through honesty, expertise, and reliability—positively affects followers’ attitudes toward the influencer’s recommendations, ultimately increasing their likelihood of visiting or purchasing from promoted restaurants. This framework is supported by prior research, including Galina Ilieva (2024), which emphasizes the significance of these three trustworthiness dimensions in influencing consumer behavior. A quantitative approach was adopted, utilizing structured questionnaires distributed in the Western Province of Sri Lanka. The study targeted individuals familiar with the restaurant industry and influencer marketing, yielding 404 valid responses. Statistical analyses, including reliability testing, correlation analysis, and regression analysis, were conducted using SPSS to assess the relationships between trustworthiness dimensions and purchase intention. The hypotheses testing results confirm significant positive relationships between all three dimensions of trustworthiness—Honesty, Expertise, and Reliability—and Purchase Intention. Honesty (β = 0.123, p = 0.011) significantly influences followers' willingness to act on recommendations, highlighting the importance of authenticity. Expertise (β = 0.112, p = 0.023) further strengthens purchase intention by enhancing influencer credibility. Reliability (β = 0.219, p = 0.000) emerged as the strongest predictor, reinforcing the critical role of consistency and dependability in fostering consumer trust. These findings align with prior studies emphasizing the role of trustworthiness in influencer marketing and highlight the significant impact of reliability in shaping consumer purchasing behavior. However, the research is limited by its geographical scope, as the sample is confined to the Western Province of Sri Lanka. Additionally, the exclusive focus on YouTube influencers may not fully capture variations across other social media platforms. Future research could explore trustworthiness in broader regional or cross-platform contexts. Theoretically, this study contributes to influencer marketing literature by emphasizing key trustworthiness dimensions that drive purchase intention. Practically, the findings offer actionable insights for marketers, stressing the importance of selecting influencers with high reliability, honesty, and expertise to foster consumer trust. Policymakers may also leverage these insights to establish ethical guidelines for influencer marketing. Future studies could extend this research to other industries and explore cross-cultural or platform-based comparisons.
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    The Impact of Influencer’s Message Value and Credibility on Consumer Trust: Special Reference of Luxury Branded Cosmetics in Sri Lanka
    (Department of Marketing Management, Faculty of Commerce and Management Studies, University of Kelaniya, Sri Lanka., 2025) Wickramasinghe, M. C. J.; Wijenayaka, S. I.
    Influencer marketing is a widely used marketing strategy in the Sri Lankan cosmetic industry today. However, many companies do not use this marketing strategy with proper understanding. For this reason, many brands do not improve their brand but rather damage it. Therefore, there is a decrease in trust among consumers. This study investigates the impact of influencers' message value and credibility on consumer trust within the context of luxury branded cosmetics in Sri Lanka. It seeks to address gaps in understanding how key components of influencer communication, such as information, entertainment, trustworthiness, attractiveness, and expertise, affect consumer trust. Building on existing literature, this research highlights cultural nuances specific to the Sri Lankan market, distinguishing it from global studies in the field. Key arguments and findings emphasize the roles of both emotional and informational appeal in shaping trust within high-value consumer sectors. The research adopts a quantitative approach grounded in a deductive methodology. Therefore, in this study, based on the literature, the study has developed an existing model and studied how influencer message value and credibility affect customer trust using a structured questionnaire survey with 27 questions involving 321 respondents aged 18 years or above. Statistical analyses were conducted using correlation and multiple regression techniques to test hypotheses derived from a conceptual framework. These analyses examine the relationships between influencers' message components and consumer trust within the luxury cosmetics sector in Sri Lanka. Results indicate that both message value and credibility significantly influence consumer trust. Informational and entertainment values were particularly instrumental in fostering trust, as were influencer attributes such as trustworthiness, attractiveness, and expertise. The study underscores the unique importance of culturally relevant and authentic marketing strategies in the Sri Lankan luxury beauty sector. The findings align with existing research in highlighting trust as a determinant of consumer engagement but contribute novel insights into local consumer dynamics and preferences. The study's scope is limited to luxury branded cosmetics within a single geographic market, potentially constraining the generalizability of findings. Additionally, reliance on self-reported data may introduce bias. Future research could expand the framework to include broader geographic contexts, as well as longitudinal analyses to observe changes over time. The findings offer theoretical contributions by validating and refining models linking message value and credibility to trust in the context of luxury goods marketing. Practically, the study provides actionable insights for brand managers and influencers in Sri Lanka, suggesting tailored strategies that prioritize credibility and consumer engagement. Future research should explore underrepresented factors such as parasocial relationships and the long-term effects of influencer collaborations.