Answers collection is slow, is something wrong ?
The trend is slow, what’s happening ?
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The trend is slow, what’s happening ?
A slower start might be normal. It does not put your results at risk. After the answers collection begins, you may sometimes notice that the trend is slower than expected.

For OOH and DOOH campaigns, a minimum of 10 POIs are required. When fewer POIs are provided, the exposed audience is smaller, which can slow data collection.
A brand Lift requires a minimum reach of 100,000 unique users. This threshold helps ensure a smooth and steady collection of respondents. If the minimum is not reached, answers collection may take longer.
Some moments of the year are more saturated than others ( Black Friday, end-of-year holidays). During these periods, higher advertising pressure may result in slower and lower response rates.
In some cases, the exposed audience provided may not be sufficiently qualitative. Identification takes longer, resulting in a slower collection.
At launch, collection often starts slowly. This is part of our testing methodology. The pace increases once validation is complete.
A slow collection does not mean late results. The “Completed” date shown in your Brand Lift is an estimate. Delivery may shift, but results are always released as soon as the required number of responses is reached.
In conclusion, there’s nothing to worry about. A slower collection can happen and is usually explained by one (or several) of the reasons listed above.
👋 Need more clarity or a specific check on your Brand Lift? Feel free to reach out to support@happydemics.com.
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