Also, don't forget to do the good old fake out.
You go behind the reciver and pretend to change the cable... But you don't. You then ask people what the difference is. You say something grand like, "Now give THIS biotch a listen to."
When someone says it is better or worse.....
The test is over because it is too dependant on peoples own biased, influenced, inacurate, personal observations and not quantifiable, scientific fact.
1138, a different comparison for Cable and Cars would be:
Spending a fortune on Cables is like spending a fortune on Car Wax for your Ferrari. It might make it shinnier than the cheap stuff, but it doesn't make it perform better.