Examining the effects of advertising credibility on brand credibility, corporate credibility and corporate image: a qualitative approach

Abstract

Purpose This paper aims to use signalling theory to examine the concept of advertising credibility and its effects on brand credibility, brand image, corporate credibility and corporate image. Design/methodology/approach A qualitative approach was used. Ten interviews and four focus groups were conducted among participants drawn from the London area. The data was analysed using thematic analysis. Findings The findings suggest that advertising credibility is defined using terms like accurate, caring, competent, complete, convincing, ethical, honest, impressive, promising, reliable and warranted. The findings also suggest that advertising credibility has a positive effect on brand credibility, brand image, corporate credibility and corporate image. However, these effects are lower when the brand and corporation have different names than when they have similar names. The dissimilarity of names can also provide some benefit, especially when brands or firms are faced with a crisis. The findings also illustrate that the theoretical model used in this study is valid, and suggest that advertising credibility has positive effects on other constructs. Originality/value Advertising credibility has received little attention in the literature. There is also little attention on its effects on other credibility constructs. This study minimises these gaps by conducting qualitative research to explore the effects of advertising credibility on brand credibility, corporate credibility and corporate image.

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