Effects of comparative advertising format on consumer responses: The moderating effects of brand image and attribute relevance
Yagci, Mehmet I.
In this research we distinguish between ads that compare two different brands (Across-Brand Comparison or ABC ads) and those that compare different versions of the same brand (Within-Brand Comparison or WBC ads). Results from an experiment indicate that when comparative ads use attributes that are relevant to product performance, ad type and brand image interact such that an ABC ad leads to less favorable consumer perceptions than a WBC ad when image of the sponsor brand is low but not when it is high. However, when the ads use attributes that are irrelevant to product performance an ABC ad leads to less favorable consumer outcomes than a WBC ad, regardless of the image of the sponsor brand. We further propose and show that ad believability mediates these effects. Theoretical and practical implications of the findings are discussed and directions for future research are provided.
Comparative ad Brand image Attribute relevance Persuasion knowledge model Characterization-correction model.
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