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In recent years, negative spokesperson incidents have raised significant concerns in academia and industry. While several studies have addressed celebrity endorser scandals, comprehensive analyses of current knowledge are lacking. Therefore, this study systematically reviewed the related literature to better understand trends and suggest future research directions for advancing this field.

This study employs the theory–context–characteristics–methodology (TCCM) framework to examine 76 articles on celebrity endorser scandals.

Utilizing the TCCM framework, this study presents a comprehensive research framework, revealing that (1) the celebrity endorser scandal effect primarily includes associative learning, attribution of responsibility, and moral reasoning; (2) entertainment celebrities and athletes have received significant research attention; (3) both individual- and relationship-level characteristics serve as crucial moderators, with focal brand and related brand being the primary outcome variables. Additionally, this study outlines enterprise response strategies, encompassing the reformation of existing spokesperson relationships and the establishment of future spokesperson connections; and (4) quantitative approaches dominate the field.

This study integrates and expands existing research on celebrity endorser scandals while proposing future research opportunities to advance the field.

The purpose of this study is to investigate how libraries use Twitter as a social media platform and examine the tweets they post, including multimedia content such as images and video clips. The study also aims to analyse the relationship between post types and user engagement and evaluate the effects of post features, such as multimedia content, on user engagement.

The methodology of the study involved three phases. In Phase 1, a review of related literature was conducted to develop a holistic approach for the study. In Phase 2, official Twitter handles of selected libraries were identified and verified for authenticity using various methods, including cross-checking with library websites. During Phase 3, data was collected from the Twitter handles. The data was then tabulated and interpreted to achieve the set objectives of the study.

The paper examined the tweets posted by select libraries on Twitter and their impact on user engagement. The study found that most tweets were related to library resources/collection and announcements, followed by events hosted by libraries. Emotionally inspiring posts and daily facts were also commonly posted. The findings also showed that including images in tweets resulted in higher levels of user engagement than video clips did. The study suggests that incorporating images fosters engagement and boosts retweets, while watching a video takes more effort and time.

The practical implications of the study can provide insights into the tweets that generate user engagement, which can help libraries tailor their social media strategies to attract and retain more followers. The paper can help libraries measure the success of their social media activities by evaluating user engagement metrics.

The originality/ value of the study lies in its examination of how libraries use Twitter as a social media platform, including the tweets they post and the impact of multimedia content on user engagement. While previous studies have examined the use of social media by libraries, this study focuses specifically on Twitter and provides a detailed analysis of the tweets that generate user engagement.

Indigenous farmers have, for centuries, applied practices which maintained resilient and sustainable landscapes. Thus, understanding and preserving the agricultural knowledge of Indigenous farmers may enhance the knowledge base of sustainable agriculture. The purpose of this paper is to review current research in the fields of Indigenous knowledge and sustainability to present a research approach which enables a cohesive global way forward for future research projects seeking to understand and preserve Indigenous agricultural knowledge.

This study applied thematic analysis to review 57 research studies in the field of Indigenous knowledge and sustainability. Key themes were identified from four overarching criteria: research methodology, data input, output and outcomes.

The findings revealed a range of commonalities among the 57 research studies reviewed. This study proposes the research should continue to seek to understand and preserve Indigenous knowledge, however, research needs to go beyond simply documenting Indigenous knowledge. The way forward requires research of Indigenous agricultural knowledge to establish databases, digital repositories (including oral, video, visual) and online repositories with globally shared access, whilst acknowledging and acting in partnership with Indigenous farmers and their communities.

To the best of the authors’ knowledge, this is an original study which has practical implications for enhancing research outcomes with regard to preservation of Indigenous knowledge. The findings of this study may be used to influence research policy formulation and implementation.