Testing Keyword Insertion Ads
Can you test keyword insertion ads against regular text ads within the same ad group? I'm trying to test which ad structure would preform better when the same keywords are used.
Re: Testing Keyword Insertion Ads
Yes, you can test this provided both the ads get equal traffic. For this, you'll have to set ad rotation to 'rotate evenly' and compare results when you have considerable data.
You can also use Campaign Experiments. Use one ad under control and the other under experiment, then set 50% experiment, so that both ads are served equal number of times. Then you can keep or discard changes, based on experiment results. More about experiments here.