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Originally Posted by MattE
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Also if you have variations on an ad, Google will automatically place the one with the highest CTR most often (and possibly higher as well).
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I believe this is only if you have that function enabled. |
1) The default is for the variations to be displayed at a rate dependant on their respective CTRs; and,
2) Changing the setting for such does
not yield a true A-B split, as should occur. In fact, the actual result can vary greatly from the ideal; I've seen 75%-25% ratios!