Quote Originally Posted by E-Stat
It's a shame he doesn't understand the distinction between double and single blind tests. With double blind, even the tester doesn't know whether or not a change was made.

The instructions to the hookup guy were to either change or not change the cables.

I've done SBTs myself. ...

rw
Quote Originally Posted by Frank Van Alstine
...
The results, ran three tests with all listeners sent out of the room and the setup changed by one of my guys who did not take part in the listening tests. ...
If "his guy" wasn't in the listening room, then the guy was effectively no different than a random switching device. Frank was the tester, not the guy.

Anyway, the results certainly aren't persuasive in a scientific sense.