[andymism]

I thought the username and password was a good choice for this test. There really wasn't that much of a difference in phrasing between Patrick's form and the Huffduffer form. The most likely explanation for the drop off is the difference in the audience these sites are made for.

As far as design decisions like these go, the data doesn't say anything on an absolute scale about the merits of one form versus the other, but it does tell us which is more effective for a particular audience in a particular context.