![What I Learnt at ConversionXL Conference 2015 – The 2Checkout Blog | Articles on eCommerce, Payments, CRO and more What I Learnt at ConversionXL Conference 2015 – The 2Checkout Blog | Articles on eCommerce, Payments, CRO and more](https://blog.2checkout.com/wp-content/uploads/2015/04/conversionlive-XL.jpg)
What I Learnt at ConversionXL Conference 2015 – The 2Checkout Blog | Articles on eCommerce, Payments, CRO and more
![Master The Essentials of Conversion Optimization: Experts' Approach to Optimization eBook : Laja, Peep: Kindle Store - Amazon.com Master The Essentials of Conversion Optimization: Experts' Approach to Optimization eBook : Laja, Peep: Kindle Store - Amazon.com](https://m.media-amazon.com/images/I/41O86yVP-VL.jpg)
Master The Essentials of Conversion Optimization: Experts' Approach to Optimization eBook : Laja, Peep: Kindle Store - Amazon.com
![A/B Testing: Why do different sample size calculators and testing platforms produce different estimates of statistical significance? - MarketingExperiments A/B Testing: Why do different sample size calculators and testing platforms produce different estimates of statistical significance? - MarketingExperiments](https://marketingexperiments.com/wp-content/uploads/absolute-difference-tiny.png)
A/B Testing: Why do different sample size calculators and testing platforms produce different estimates of statistical significance? - MarketingExperiments
![Pe:p Laja on Twitter: "Tired of going to 5 different calculators for A/B testing? We created one calculator that does it all and tells you if you haven't reached needed sample size and duration for your test data https://t.co/k1BhKQiQGE https://t.co/VhwHMk2Hiz Pe:p Laja on Twitter: "Tired of going to 5 different calculators for A/B testing? We created one calculator that does it all and tells you if you haven't reached needed sample size and duration for your test data https://t.co/k1BhKQiQGE https://t.co/VhwHMk2Hiz](https://pbs.twimg.com/media/DhVmMlcWsAAoisE.jpg)