In this experiment, the cheapest pricing plan was removed from a set of 2 options. This only left the most expensive pricing plan as the option. Impact on sales and revenue was measured.

In this mobile experiment, an unselected vs selected payment plan was tested for its impact on sales. The experiment ran on a mid page of a signup funnel where customers were being asked to select one of two payment plans.

This experiment measured a shallow click goal on a button that would encourage to repeated the action that was just completed (in this case a contract cancellation). In the control version (A) a thank-you screen shows a filled button style, and the variant (B) there was a ghost button. As a note, I also flipped the A-B in this experiment for the purpose of matching it to our ghost button pattern, which means that Volders in fact was starting  out with a ghost button to begin with. 

In this experiment, a search input field (to look for companies) along with most popular links (also company names) were displayed on the homepage of a leading contract cancellation service. The control (A) version instead had a button that sent users to a next page where the same selection could be made - only later. The measurable success criteria were the number of paid cancellations - a few steps down the funnel.

In this experiment a long form (A) was replaced with a progressive form interaction (B). Most of the form fields would appear in a grey-disabled style, until the prerequioste fields were first filled out.

In this experiment, a password field was removed on a contract cancellation form (Volders).

In the control version, users were required to enter their email address and a password. If the email address was associated with an existing account, then the password was used to authenticate the user (and validated). When users entered a new email address, then the password field was used to create a new account. 

In the variation, the password field was removed, as the authentication happened after the conversion itself using other backend mechanisms.