The $300 Million Button
Here’s a great article from Jared M. Spool of uie.com that explains how a simple button on a form can strongly users’ perceptions, and how removing said button can alter the user journey with quite dramatic results:
Extract:
While Luke Wroblewski was writing his well-received book, Web Form Design: Filling in the Blanks, he asked if I could think of an example where a change in a form’s design made a noticeable difference in business. “You mean like $300 million of new revenue?” I responded. “Yes, like that.” said Luke. So I wrote this article, which he published in his book.
Original article: http://www.uie.com/articles/three_hund_million_button