Sunday Times
If, like me, you don't have a subscription there's a transcript in the 6th post here in the CTC Forum. Test results 4 posts further down (assuming it's the same test).
As for the dazzling debate, we've had this discussion: both sides need to be polite about it, and that requires the complainer to make their point calmly, followed by the 'dazzler' to respond in kind. It might be that the light is well dipped and the complainer is being overly-sensitive but it could equally be that the dipped light is still leaking light forward. That's more a problem of the design then, than it is of the user. It's well worth stepping away from your bike in the dark and looking at it from rider level to see if the complainer had a point (better still, do it before you get a complaint).
I've had differing responses to polite complaints, ranging from (as it turned out) a fellow CCE member making an adjustment after taking the complaint well, through appearing to ignore me, all the way to giving abuse. The middle ground is the most common response but it could be that some of them do take heed later on.
No-one's ever complained about my 'eBay special' C&B Seen clone (which is always dipped, except to show dozy twonks that they are indeed dozy twonks), but I'm always ready for someone to mention it. And if they do so politely, I'm ready to respond that it's really dipped as far as practical and I'm sorry it's still dazzling. If they're really amenable, I may even ask them to go back and allow me to adjust it to where they feel it doesn't bother them, to see what effect it has. I'd rarely have it on when I feel my smaller light is sufficient on its own. The last thing I want to do is aggravate fellow cyclists.