US FDA/CFSAN - Assessing Consumers' Perceptions of Health Claims - Slide 8 - Methodology and Study Design Cogent Research (Cambridge, MA)

US FDA/CFSAN - Assessing Consumers' Perceptions of Health Claims November 17, 2005

US FDA/CFSAN

Assessing Consumers' Perceptions of Health Claims

November 17, 2005

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Methodology and Study Design
Cogent Research (Cambridge, MA)

Consultation with FDA on survey design and later, on methodology and additional analysis

Web-based survey (monadic design and split sampling)

Sample population: U.S. Adults (18+)

Sample size: 5,642

Data Weighting*: By gender, age, education, and income

Mode of Comparison: statistical means; additional included ANOVA and post hoc tests

* To match US Census

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