Abstract:
The objectives of this research were (1) to study the views of the credibility of the celebrity testimonials, effectiveness of advertising, attitude, service intent, and service experience of customers of cosmetic surgery clinic in the upper northern region (2) to inspect the effectiveness of advertising and attitude towards cosmetic surgery as a serial link From celebrity endorsement credibility to service intent (3) to discover the influence of celebrity endorsement credibility indirectly influences service intent through advertising effectiveness and positive attitudes to cosmetic surgery when directing the correlation path between celebrity endorsement credibility and effectiveness of customer experience advertising (4) to find the link of credibility from user testimonials towards the reputation indirectly influences service intent through the effectiveness of advertising when directing the correlation between celebrity endorsement credibility and effectiveness of customer experience advertising (5) to investigate celebrity endorsement credibility indirectly influence service intent through attitude towards cosmetic surgery. The sample consisted of 282 customers using cosmetic surgery clinics in 8 provinces in the upper north of Thailand. The research instrument was a data analysis questionnaire using descriptive statistics to find frequency, percentage, and standard deviation. Inferential statistics were also analyzed with correlation by using statistical data analysis using Smart PLS program and testing the association using Process program.
The results of the study showed that the opinion of credibility from the celebrity testimonials, advertising effectiveness, attitude, service intent, and experience were at a high level in all factors. The analysis of the governing influence of the celebrity endorsement credibility on service intent is not significant and indirectly influence through celebrity endorsement towards advertising effectiveness concerning service intent with the highest influence when the experience is low. Indirect influence through credibility from celebrity testimonials to advertising effectiveness and service intent had moderate influence. Indirect influence through celebrity endorsements to the attitude towards the intention of using the service, experience test results, advertising effectiveness, and attitudes were complementary interstitial factors linking to credibility from celebrity testimonials and service intent.
As for the qualitative research, it was found that the reliability factor of the celebrity
endorsement, advertising effectiveness, and attitude had an effect on the service intentions of
cosmetic surgery clients and supported all hypothetical quantitative research findings.