I'm assuming the goal is to see how many people would click on a "Register" or "Buy Now" link, rather than to see how many people would fill in their full credi

I'm assuming the goal is to see how many people would click on a "Register" or "Buy Now" link, rather than to see how many people would fill in their full credit card and shipping information? The former seems like it would still give some valuable information without being too bad, while the latter does seem questionable.