I’ll happily concede it adds ‘something’ but the amount of something is questionable.
Lots of posters on this forum throw around figures/arguments about how their WRS score means X or Y. I don’t think the scores make a good basis for an argument or a course of treatment.
It’s like going for a ride in a modern car blacking out the windows and asking you if it ‘felt’ fast or slow . You’re probably going to be correct, but it’s relying on sensory interpretation. Now I’m going to ask you were you doing 40 or 50? There’s practically no way you could tell.
What if the referral criteria was set at 45?