Published inTDS ArchiveExperiment sample size calculation using power analysisIf you use experiments to evaluate a product feature, and I hope you do, the question of the minimum required sample size to get…Jan 22, 2019Jan 22, 2019
Published inUX PlanetHow to prioritize hypotheses for A/B testingIn the process of product development, different teams have various improvement ideas to test. However, the launch of the experiment…Jan 4, 2019Jan 4, 2019
Published inTDS ArchiveA/B testing: the importance of Central limit theoremData analysis requires accurate and even respectful data treatment. When AB testing has completed, and a statistically significant amount…Dec 11, 20181Dec 11, 20181
Published inUX PlanetE-commerce metrics practical guideWhen choosing metrics to describe a product or a specific e-commerce feature, it is essential to approach this process systematically…Dec 5, 2018Dec 5, 2018
Published inTDS ArchivePermutation tests when AB testing sample size is not big enoughBefore proceeding to the essence of permutation tests, let’s review a situation that comes up frequently. You want to analyze an…Nov 29, 20182Nov 29, 20182
Published inUX PlanetEasy and affordable data collection and storage architectureData can bring a huge value into product development and growth. For example with data, you can launch experiments to define what product…Nov 26, 2018Nov 26, 2018
Published inUX PlanetProduct metrics prioritizationIn the Choosing the relevant product metrics (Part 1), we reviewed product metrics classification to distinguish performance and user…Nov 20, 2018Nov 20, 2018
Published inUX PlanetHow to chose the relevant product metrics (Part 1)If you can’t measure it you can’t improve itNov 14, 2018Nov 14, 2018
Published inUX PlanetWhat is an experiment-driven culture and why it’s importantA successful product is a result of a huge number of trials, errors and a bit of luck. However, if you don’t test ideas and new product…Nov 12, 2018Nov 12, 2018
Published inMarketing And Growth HackingHow simple product economics can bring a real value for businessAny digital product that sells something, whether it is an e-commerce website or subscription-based e-learning platform or an online…Nov 9, 2018Nov 9, 2018