Comments on: Give Adwords a Nip-Tuck & Face Lift http://www.scrappybusiness.com/give-adwords-a-nip-tuck-face-lift.htm From Cents to Sense! Tue, 02 Dec 2008 12:13:26 +0000 http://wordpress.org/?v=2.6.5 By: adwords marketing http://www.scrappybusiness.com/give-adwords-a-nip-tuck-face-lift.htm#comment-11699 adwords marketing Fri, 19 Sep 2008 20:33:25 +0000 http://www.scrappybusiness.com/?p=178#comment-11699 How do you "split test" three or four ads? Split testing at it's heart only allows to ads, without only one difference between (the variable you are testing). Should I assume when you run four ads at the same time, you are only using the two ads with the best CTR to determine a winner with a chi-squared test? I mean if there's a big enough difference you might be able to "eyeball" the bottom half. Either way, split testing more than two ads at a time can really lead you down the wrong statistical road. How do you “split test” three or four ads? Split testing at it’s heart only allows to ads, without only one difference between (the variable you are testing).

Should I assume when you run four ads at the same time, you are only using the two ads with the best CTR to determine a winner with a chi-squared test? I mean if there’s a big enough difference you might be able to “eyeball” the bottom half. Either way, split testing more than two ads at a time can really lead you down the wrong statistical road.

]]> By: Herman http://www.scrappybusiness.com/give-adwords-a-nip-tuck-face-lift.htm#comment-6231 Herman Sat, 14 Jun 2008 17:59:45 +0000 http://www.scrappybusiness.com/?p=178#comment-6231 Hey Josh, That's a solid advice. Thanks, Herman Hey Josh,

That’s a solid advice.

Thanks,
Herman

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