How long should advertisers wait after creating a new display campaign before analyzing its performance?
- 1 month
- 2-3 weeks
- 2-3 days
- 1 week
Explanation: Once your campaign is active, it is important to review its performance on a regular basis. It’s normally good to wait 2-3 weeks after creating your campaign before reviewing campaign performance too thoroughly. This will give you a larger set of data to work with, allowing you to make more informative decisions.
Read more here: https://support.google.com/partners/answer/2769587?hl=en