Exploring the impact of certainty language style in social media influencers-generated content on consumers’ purchase behavior

作者：Qiang Yang, Qianqian Han, Jingpeng Li, Jiaji Zhu, Yushi Jiang · 发表于：Journal of Research in Interactive Marketing · 年份：2025 · DOI：10.1108/jrim-09-2023-0314 · 被引用次数：5 · 研究领域：Digital Marketing and Social Media、Sentiment Analysis and Opinion Mining、Technology Adoption and User Behaviour

Purpose The purpose of this study is to investigate the impact of the language style of certainty in social media influencers’ (SMIs) generated content on consumers’ purchase behavior. It aims to provide insights into how the use of certainty language style by SMIs influences consumers’ perceptions and subsequent purchase decisions in the context of influencer marketing. Design/methodology/approach This research adopts a mixed-methods approach, combining a field study and a controlled experiment to examine the influence of language style of certainty in SMIs-generated content on consumers’ purchase behavior. The field study involved analysis of 17,920 SMIs-generated real short video content, while the controlled experiment allows for a systematic examination of the effects of certainty language style. Findings The findings of this study demonstrate that the use of certainty language style positively influences consumers’ perceptions of SMIs’ professional competence, leading to increased purchase behavior. Specifically, SMIs who employ the language style of certainty are perceived as more professional, which positively impacts consumers’ likelihood of making purchases. Furthermore, the influence of certainty language style is weaker when the content is labeled as sponsored, as consumers may perceive sponsored content as less authentic and more persuasive. Originality/value This research provides valuable insights into how SMIs can effectively craft content to promote purchase ...