Facebook's own guide on A/B testing your ads suggests creating a separate campaign for every single variation, in order to avoid this issue. I've still found th

Facebook's own guide on A/B testing your ads suggests creating a separate campaign for every single variation, in order to avoid this issue. I've still found that just 1-2 clicks causes one variation's impressions to go through the roof. http://ads.ak.facebook.com/ads/FacebookAds/FB_Ads_A_B_Testing.pdf http://ads.ak.facebook.com/ads/FacebookAds/FB_Ads_A_B_Testin...