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This study aims to examine how young consumers perceive the advertising effectiveness of endorsements by virtual idols and how endorsements by virtual idols differ from endorsements by real human celebrities such as traditional celebrities and online influencers.

An experimental study was conducted with 400 randomly selected young respondents in China in December 2022. A 3 × 2 factorial design was used to test how the type of celebrity endorser and level of product involvement influence the persuasiveness of advertising aimed at young adults. Among 400 respondents, the average age was 21.5 years. A total of 193 male and 207 female respondents participated in the experiment.

Young consumers find virtual idols, online influencers and traditional celebrities attractive. Although virtual idols are the least credible among the three types of celebrity endorsers, young consumers tend to be more convinced by their endorsements of products with low levels of consumer involvement than those with high levels of involvement. Among the three types of celebrity endorsements, young consumers find traditional celebrities the most effective. In addition, young consumers’ attitudes toward celebrity endorsers mediate the impact of celebrity endorsers’ attractiveness and credibility on their attitudes toward the advertisements. The perceived level of product involvement moderates the transfer of meaning from the attitude toward the celebrity endorsers to the attitude toward the advertisement.

First, when choosing celebrity endorsers to advertise products targeting young consumers, marketing communication practitioners should give priority to the endorsers’ perceived credibility, as young consumers have a variety of views about them that can significantly affect their attitudes toward the advertisement. Second, real human celebrity endorsers are more effective than virtual idols in celebrity endorsements. However, virtual idols may be suited for use in advertisements to promote products with low involvement levels, such as soft drinks.

To the best of the authors’ knowledge, this is the first experimental study to attempt to analyze the effectiveness of virtual idols in advertising aimed at young consumers. This is also the first comparative study to introduce virtual idols as celebrity endorsers in product advertising and to compare their effectiveness with that of the two other types of commonly discussed celebrity endorsers, traditional celebrities and online influencers.

Based on congruency theory, this study aims to examine the effects of celebrity endorsement on endorser credibility in Japanese over-the-counter (OTC) drug advertising using multiple celebrity categories. In particular, this research explored brand–endorser congruence and endorser–consumer congruence and their roles in attitude formation.

A 3 (endorser categories: actor/actress, athlete and talent/TV personality) × 2 (endorser’s gender) factorial experimental design with 480 Japanese consumers was used in the study.

In Japanese OTC drug advertising, actors/actresses and athletes were regarded as more credible than talents (TV personalities) by Japanese consumers. Endorser categories also had a significant influence on identification with the endorser through ideal self-congruency. Additionally, endorser credibility mediated the relationship between identification and advertising evaluations. However, it did not mediate the relationship between perceived similarity with the endorser and advertising responses.

Little is known about the effectiveness of celebrity endorsers in OTC drug advertising from a source credibility perspective. This study attempted to shed light on the role of endorser fit in the framework of source credibility in drug advertising that usually places an emphasis on informational cues rather than peripheral cues such as source effects.

The purpose of this paper is to investigate the differences in consumer pleasure, arousal and purchase intention when consumers encounter food advertising on Instagram using different endorsers and visual complexity levels.

An experimental design was conducted involving 180 undergraduate students from several universities in Surabaya, Indonesia. The participants had actively used Instagram for at least one year.

Food ads endorsed by a celebrity generate more pleasure and arousal than those endorsed by food experts. Food advertising using high levels of visual complexity cues generates more pleasure and arousal than less complex advertising. However, less complex food ads using food experts create greater pleasure than those endorsed by celebrities. Consumer pleasure and arousal were significant mediators of the impact of endorser type and visual complexity on consumer purchase intentions.

As celebrities and higher levels of visual complexity result in more favorable responses to Instagram ads, food marketers need to consider increasing visual complexity when using celebrities in advertising by adding more objects, using more colors, objects, or textures and incorporating asymmetric elements in the advertisements.

This is one of the few studies comparing the effectiveness of celebrity and expert endorsers in Instagram advertising. Also, this research extends the existing knowledge about visual complexity in the context of social media advertising.

Although endorsers are thought to be highly effective when they match-up with a product, the current understanding of endorser match-up offers little insight for distinctions between equally attractive and trustworthy endorsers who have equivalent expertise in the product category, yet still diverge in their performance. Therefore, the main purpose of this research is to understand how a match between social judgments (i.e. warmth vs competence) of a celebrity endorser and specific advertising appeals (i.e. symbolic vs utilitarian) can improve consumer responses to an endorsement.

A preliminary study empirically distinguishes perceptions of warmth and competence from prevailing celebrity endorser evaluative criteria. Then, the authors conduct multiple 2 (warmth vs competence) × 2 (symbolic vs utilitarian) between-subjects experiments to demonstrate the effect of matching social judgments and advertising messaging, across celebrity genders (i.e. male and female), forms of marketing communications (i.e. print ads and interactive online ads) and types of brands (i.e. well-established and new/unknown).

The findings demonstrate that matching celebrity endorser social judgments with the appropriate type of advertising messaging positively influences consumer response to the brand for both male and female endorsers. Additionally, despite a commonly held belief that celebrity endorsements are more effective at changing attitudes than actual behaviors, for interactive online ads, the authors find that the match strategy can motivate consumer response through two different pathways. For well-established brands, the match improves overall brand response predominately through cognitive and behavioral mechanisms. Alternatively, for new or unknown brands, the match initially impacts affective responses, which are subsequently related to consumers shopping a brand’s product category, rating a brand higher in customer recommendations, choosing a brand’s products over top competitors and paying more for the brand’s offerings.

The main contribution of this research is the demonstrated support for an alternative and effective application of the match-up hypothesis, based on a fit between the endorser and the advertising messaging itself.

Advertisers use various tactics to influence consumer purchases and create positive associations with their brands. The purpose of this study is to explore the formation of peer-endorser credibility and its influence on attitude formation. The role of product involvement in the formation of attitudes and endorser credibility is also examined.

A quantitative study was conducted among university students. Data were collected using an online questionnaire concerning three advertisements for which identical questionnaires were constructed; 364 responses were generated.

The authors show that the credibility of a peer endorser is constructed from trustworthiness, expertise, similarity and attractiveness dimensions that positively affect consumers’ attitude toward an advertisement and a brand. Product involvement affects advertising effectiveness indirectly through the endorser-credibility construct. Finally, the authors show that a consumer’s experience with an advertised product affects the perception of endorser credibility and the effectiveness of the advertisement.

The findings reveal new insights into the little studied area of peer-endorser effectiveness. The authors shed light on the construction of peer endorser credibility and the relative importance of specific credibility dimensions on the effectiveness of an advertisement. This study also provides information on the direct and indirect effects of consumers’ brand involvement on attitudes toward advertisements.

The purpose of this paper is to examine the interaction effect of endorser ethnicity (local Chinese vs Western) and portrayal (smart vs sexy) on Chinese women’s attitudes toward luxury advertisements and brands, as well as any moderating effect appearance self-esteem has on the above-mentioned interaction.

Two online experiments were conducted. Study 1 was a 2×2 factorial design (with 280 participants), while Study 2 was a 2×2 ×2 factorial design (with 320 participants). Data were analyzed using a multivariate analysis of variance (MANOVA) test and simple effect analysis.

Results demonstrated that Chinese female consumers are more likely to have a positive attitude toward advertisements for luxury goods and brands when a local Chinese (vs Western) endorser is used and portrayed as smart (vs sexy), particularly if consumers have low appearance self-esteem.

The research focused only on female consumers and only one product type was used for the experiments. The use of controls for potential confounding effects was insufficient in this study design.

To maximize profits, marketers should choose the most appropriate combination of endorser ethnicity and portrayal in the Chinese luxury goods market. Accordingly, if adopting a localization strategy and using a Chinese female endorser, the endorser should be portrayed as smart rather than sexy. In contrast, if a luxury brand adopts an internationalization strategy and uses the same Western female endorser as in other countries, it is more effective to portray her as sexy rather than smart. Furthermore, advertisers should pay particular attention to Chinese female consumers who have low appearance self-esteem when advertising their product and/or brand.

Compared with past studies concerned with consumers’ perceptions of endorser image in advertisements through a focus on endorser ethnicity, this study linked endorser portrayal with his/her ethnicity and discussed the interaction effects between these two factors on consumers’ attitudes toward the advertisement and the brand portrayed in the advertisement. The findings herein contribute new insights to the body of work on luxury marketing and endorser advertising.

The purpose of this paper is to test eight hypotheses to understand the relationship between information (Cervical Cancer Prevention (CCP) advertisements via endorser types and advertising appeals), motivation (attitude and effectiveness towards advertisements, audiences’ reported self-health consciousness, motivation to learn more information) and behaviour intentions (accept and intent to receive CCP vaccination) using the information-motivation-behavioural skills (IMB) model.

An experimental study was conducted using a sample of 668 young people aged 18-25 in Hong Kong. Participants were asked to respond to questions relating to self-health consciousness, motivation to learn more information, attitudes and effectiveness towards the assigned print advertisements randomly drawn from a set of eight (4 × 2 full-factorial) experimental designs and behavioural intentions.

Results revealed that celebrity endorsers had the most effective CCP ad appeal among young consumers regardless of advertising appeal in Hong Kong. The findings suggested that highly self-health conscious young people are motivated to learn more information about CCP and have a more positive attitude and effectiveness towards the CCP advertisement. Furthermore, effective advertisement predicts higher motivation and behavioural intention, whereas higher “self-health consciousness” and “motivation to learn more information” predicts more positive advertisement attitude.

By investigating young consumers’ attitude and effectiveness towards CCP advertisements, this paper aimed to expand the knowledge of previous studies and contribute to advertising theory by focusing on CCP aspects in Hong Kong context.

The purpose of this study is to understand how perceived micro-celebrity-product image congruency and product type affect native advertising effectiveness on Instagram. Additionally, the study aims to understand how advertising skepticism and persuasion knowledge affect the effectiveness of native advertising featuring micro-celebrity.

This study was administered online using a 2 (product type: high self-expressive vs low self-expressive) × 2 (micro-celebrity and product congruity: congruent vs incongruent) between-subjects factorial design to test the hypotheses. A total of 186 participants, all Instagram users living in the USA, were recruited using an Amazon Mechanical Turk (MTurk). After screening out 14 respondents who were not Instagram users or did not fully answer the questions, a total sample of 172 valid and complete responses were included for hypotheses testing.

The results revealed that when native advertising featured highly self-expressive products and micro-celebrities with good product image fit, consumers had a more positive attitude toward the ad and the brand, higher source credibility and higher electronic word-of-mouth intention. In addition, advertising skepticism was found to moderate the effect of micro-celebrity-product fit on source credibility.

This study is the first to examine the effect of micro-celebrity and product congruence on native advertising effectiveness. Moreover, the study provides a better understanding of the advertising skepticism and its influence on source credibility. It discusses why a micro-celebrity’s image is a critical factor in shaping attitudes toward native advertising. This study contributes to both the native adverting and influencer marketing literature.

Substantial literature exists researching effective celebrity endorser characteristics, and a growing body of literature investigates the specifics of professional athlete endorsements. However, there has been little focus on selection from the advertising practitioner's perspective; research that does exist is limited to the United States and British markets. This research among New Zealand advertising agencies found that celebrities/athletes are used primarily to achieve' cut through' and that their use is generally thought to be effective provided there is a tight fit between celebrity/athlete, brand and message. Interestingly, for New Zealand practitioners, the risk of negative publicity and hiring costs were the most important factors in the endorsement decision.

The purpose of this paper is to investigate the dominance of athlete endorser characteristics (i.e. moral character vs warmth) on athlete endorser perception and the influence of tarnished athlete endorsers (i.e. immoral character vs coldness) on brand evaluations from the perspectives of perceiver characteristics, including dispositional tendency, innate moral intuitions, and self-location (SL).

This research consists of three experimental studies with 135, 72, and 91 participants, respectively. Study 1 compared the dominance of moral character and warmth on athlete endorser perception. Study 2 examined the impact of perceiver characteristics on the cause-and-effect relationship between tarnished athlete endorsers (i.e. immoral character vs coldness) and brand evaluations. Study 3 investigated the cross-cultural generalizability of the US-based research findings in Study 2 for Indians.

Moral character is more influential than warmth on athlete endorser evaluations. Tarnished athlete endorsers with immoral character exert more negative influence than tarnished athlete endorsers with coldness characteristic on brand evaluations. Except for dispositional tendency, innate moral intuitions and SL moderate brand evaluations. Endorser and perceiver characteristics yield asymmetric patterns of influence on Americans’ and Indians’ brand evaluations.

Future research is needed to verify the causal effects of thinking styles on the relationship between tarnished athlete endorsers and brand evaluations.

The determination of endorsement continuity has to jointly consider the characteristics of endorsers, perceivers, and cultures.

This research contributes to the endorsement research by advancing the research scopes of athlete endorser, perceiver, and culture characteristics.