Justin Anderson

When Do You Need a False Advertising Survey?

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There are three kinds of false advertising claims that companies might make in their advertising or product packaging. But only one kind of claim may need a survey to provide evidence of false advertising. A recent false advertising lawsuit against a pregnancy test manufacturer demonstrates the kind of false advertising claim that may not need a survey, while a lawsuit against a beverage maker demonstrates the kind of false advertising claim that can be measured by a survey. Read More When Do You Need a False Advertising Survey?

Can You Measure a Longitudinal Variable in a Cross-Sectional Survey?

cross-sectional survey

Survey research can be classified into two categories, according to the time period being studied. Cross-sectional surveys take measurements at a single point in time. Longitudinal surveys take measurements at multiple points in time. These two types of surveys are useful for different purposes, but can be misused if not properly understood. Consider the following example.

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