Are Some Comparative Nutrition Claims Misleading? The Role of Nutrition Knowledge, Ad Claim Type and Disclosure Conditions
Open accessAbstract
As the regulator of all national food advertising, the Federal Trade Commission (FTC) has expressed concern that consumers may be misled by certain comparative nutrient content claims in advertising. To help examine this issue, primary food shoppers were recruited and interviewed in three U.S. markets according to generally accepted procedures for advertising copy tests. The study employs a 2 (ad claim type) x 2 (nutrition knowledge) x 4 (disclosure type) between-subjects design using manipulated print advertisements. Misleading generalizations for absolute levels of sodium content beyond that of control ads are found for both specific and general nutrient content claims from experimentally manipulated soup advertisements. Effects of certain ad disclosure types are found to be dependent on ad claim type and on nutrition knowledge levels. Conclusions from the study and implications for advertising practice and public policy are offered.
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Issue-related knowledge is a crucial moderator of advertising effects and an important factor in assessing the credibility of advertising claims, particularly when such claims are ambiguous.
“Research from different fields of advertising has generally found issue-related knowledge to be a crucial moderator of advertising effects and an important factor in assessing the credibility of advertising claims, particularly when such claims are ambiguous (Andrews, Burton, and Netemeyer 2000; Hoch and Ha 1986).”
From Misleading Consumers with Green Advertising? An Affect–Reason–Involvement Account of Greenwashing Effects in Environmental Advertising (2018) · cites this paper as Andrews, Burton, and Netemeyer 2000
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Schmuck, D., Matthes, J., & Naderer, B. (2018) · Journal of Advertising · doi:10.1080/00913367.2018.1452652 · Cited by 485 · see citing works
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- Authors
- Andrews, J. C., Burton, S., & Netemeyer, R. G.
- Affiliations
- Marquette University (US)
- Venue
- Journal of Advertising
- Publisher
- Informa UK Limited
- Published
- 2000-10
- Volume
- 29
- Issue
- 3
- Pages
- 29-42
- ISSN
- 0091-3367 (ISSN-L)
- 1557-7805
- OpenAlex
- W2037133547
- Cited by
- 232
- References
- 1
- Citations by year
- 2026: 6 · 2025: 6 · 2024: 8 · 2023: 11 · 2022: 7 · 2021: 12 · 2020: 13 · 2019: 17 · 2018: 13 · 2017: 11 · 2016: 13 · 2015: 14 · 2014: 13 · 2013: 16 · 2012: 15
- FWCI
- 2.64
- Type
- journal article
- Language
- en
- Open access
- Locations
- Journal of Advertising (publishedVersion)
- e-Publications@Marquette (Marquette University) (submittedVersion)
- Funders
- Louisiana State University
- University of South Carolina
- Marketing Science Institute
- Marquette University
- Topics
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Consumer Attitudes and Food Labeling
- Health Sciences › Nursing › Nutrition and Dietetics › Nutrition, Health and Food Behavior
- Social Sciences › Business, Management and Accounting › Marketing › Consumer Market Behavior and Pricing
- Keywords
- misleading advertising, nutrition knowledge, food advertising, Federal Trade Commission, sodium content, consumer deception, advertising regulation
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