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The authors compare the relative effectiveness of comparative/noncomparative and product-based/non-product-based advertising in the implementation of an associative strategy for cognitive brand positioning. Two metaconstructs, cognitive accuracy and cognitive clarity, are defined, each within an attitude model and a probabilistic multidimensional scaling model. The results from these very different methodological and conceptual approaches indicate that direct comparative advertisements are superior in engendering overall brand positioning, whereas only product-based direct comparative ads are superior in engendering brand positioning at the attribute level, and only in terms of positioning clarity.
Dröge et al. (Sun,) studied this question.