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This study aims to explore the relative effectiveness of a human celebrity endorser vis‐à‐vis a fictional celebrity or character endorser on teenage consumers' attitudes. Further, the study also seeks to assess whether the effectiveness varies depending on the nature of the product being endorsed.

Given the purpose of the study, experimental design was used as the research methodology. In an experimental set‐up three product categories (low‐involvement food/low‐involvement non‐food/high‐involvement) and two endorsers (human celebrity/fictional celebrity) and a control group were deployed in a 3×3 full factorial design on 378 teenagers. Fictitious advertisements were used as stimuli.

The study suggests that, for food and non‐food low‐involvement product categories, the impact of a human celebrity is more than that of a fictional celebrity. Regarding the …