What checks does Zappi have in place to ensure sample quality when sourcing from partners?

To ensure consistency and a high level of respondent quality across our surveys while utilizing multiple sources, Zappi maintains a set sample blend by product and country. These blends are determined when launching any new product or market and are based on several factors, including: quality, capacity, speed, and automation ability. Blends are set via collaboration between Zappi and our research partners, taking historical sampling practices into consideration. We also have several checks for uniqueness in place when a respondent enters the survey to avoid fraud.

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