Do I have enough respondents?
Each Brand lift collects enough respondents to assess the performance of a campaign, i.e. 150 ad recallers and 150 respondents in the control-group. Regardless of the campaign's performance, the number of respondents is guaranteed.
Our experts have defined these numbers based on the acceptable error margin for a Brand lift. To ensure proper use of your results, here are a few simple rules:
Below 50 respondents per pool, we recommend not drawing any conclusions from the results;
Between 50 and 80 respondents, the results should be considered as trends;
With 80 or more respondents per target, the results can be considered solid.
This is why 150 ad recallers are more than enough for a Brand lift. However, if you wish, you can add respondents to your Brand Lift. All you need to do is add an audience boost.
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