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Lawrence J. Marks, Michael A. Kamins, The Use of Product Sampling and Advertising: Effects of Sequence of Exposure and Degree of Advertising Claim Exaggeration on Consumers' Belief Strength, Belief Confidence, and Attitudes, Journal of Marketing Research, Vol. 25, No. 3 (Aug., 1988), pp. 266-281
Marks et al. (Mon,) studied this question.
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