How to open my target survey in same window as my Pop Over creative

You can change that in creative settings on how you want the survey to appear. 

There is not such option in the Creative settings.

In that case you have to use ifram

<iframe src="YOUR_SURVEY_URL" width="100%" height="500px"></iframe>
 

Are you using the guided method (purple rectangle below) or the piece by piece method (green arrows below)?  

If you are using the piece by piece , the option you are looking for is in the Intercept and not the creative and it’s under Advanced options. 

If you are using the guided method, the interface, in my opinion, is more user friendly. If you select Responsive dialog, which is the same as your pop over, you’ll have the option below: 

Hope this helps !

Are you using the guided method (purple rectangle below) or the piece by piece method (green arrows below)?  

 

If you are using the piece by piece , the option you are looking for is in the Intercept and not the creative and it’s under Advanced options. 

 

 

 

If you are using the guided method, the interface, in my opinion, is more user friendly. If you select Responsive dialog, which is the same as your pop over, you’ll have the option below: 

Hope this helps !

Thanks, but that is not what I need. With that option checked, my survey will be directly loaded. I want to ask the user if he/she agrees to give feedback and then to show my survey in the same window of the pop up.

Ok then this is the option that you will need to use: