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Blog | AdWords Experiments How Much / How Soon Should You Trust Them?

29

Aug
2011

AdWords Experiments How Much / How Soon Should You Trust Them?

It’s always easy to jump to conclusions too quickly, but it can even be the case sometimes that Google AdWords actively misleads you.

Have a look at the screen shot below :-

AdWords Experiments Screen Shot - Statistically Significant?

The AdWords experiment is telling me that “The difference in metrics represents a statistically significant increase.”

This would be very useful to know but for the fact that the experiment is 100% *IDENTICAL* to the control.

Now, Google don’t make a qua-zillion dollars a day from AdWords without being very good at guestimating which ads will get more clicks than others, and I’m sure they get it right more often than not – but please bear these findings in mind before making changes that may adversely affect the performance of your campaigns…


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