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Advertising Research Foundation FoQ 2 Initiative Leaders George Terhanian The NPD Group, Inc., george.terhanian{at}npd.com Christopher Bacon Advertising Research Foundation, chris{at}thearf.org Gian Fulgoni comScore, Inc., gfulgoni{at}comscore.com Survey research heavily relies on
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Gittelman et al. (2015) studied this question.
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