PT - JOURNAL ARTICLE AU - Leslie Wood TI - Short-Term Effects of Advertising: Some Well-Established Empirical Law-Like Patterns AID - 10.2501/S0021849909090266 DP - 2009 Jun 01 TA - Journal of Advertising Research PG - 186--192 VI - 49 IP - 2 4099 - http://www.journalofadvertisingresearch.com/content/49/2/186.short 4100 - http://www.journalofadvertisingresearch.com/content/49/2/186.full SO - J Advert Res2009 Jun 01; 49 AB - Extensive work with single-source data since the 1960s has consistently shown that advertising has a pronounced short-term effect on sales, that this effect decays over time, and that creative copy is the largest contributor toward effectiveness. This article shares the foundations for these generalizations as well as more current examples that use Project Apollo data.