Remove 2007 Remove Growth Marketing Remove Newsletter Remove Sample
article thumbnail

A/B Testing Pop-ups: How to Make Your Pop-Ups a Lot More Effective

Convert

Guardrail metrics provide what Spitzer (2007) calls the “capacity to instigate informed action.” This will persuade people to join up for your newsletter, which will contain helpful hints and links to fresh blog content. Josh Pelletier, Chief Marketing Officer (CMO) at BarBend. Probably not.

article thumbnail

The No Jargon Step by Step Guide to (Thoroughly) Understanding A/B Testing Metrics

Convert

Tim Mehta , Director of Growth Marketing at Lucid Software. Guardrail metrics provide what Spitzer (2007) calls the “capacity to instigate informed action.” Sample Ratio = In a controlled experiment, sample ratio equals the ratio of allocation of the sample size between the different test groups: control and variants.