The document describes a Drupal module called Block Test Moduleα that allows for multivariation testing of blocks on a Drupal site. It discusses how multivariation testing was used in a case study to increase bookings on a Dutch site. The module allows users to set up A/B or multivariate tests of blocks by customizing variables, showing blocks in a yes/no format, and tracking results. It aims to provide a simple tool for block testing within Drupal.