The High Cost of Cheap Sample
Do 'survey walls' provide results that are valid and reliable?
More and more survey tools rely on internet users completing a short survey to access premium content. Does this get you robust data?
Do you know what's in your data?
This white paper from Maru/Blue compares data over 6 years from both 'survey wall', managed panels and 'gold standard' metrics from the Pew Research Centre.
Download it now to understand the variance in your sample sources.
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